WO2015195786A2 - Méthodes de traitement de certains cancers à l'aide de formulations orales d'analogues de la cytidine - Google Patents

Méthodes de traitement de certains cancers à l'aide de formulations orales d'analogues de la cytidine Download PDF

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Publication number
WO2015195786A2
WO2015195786A2 PCT/US2015/036206 US2015036206W WO2015195786A2 WO 2015195786 A2 WO2015195786 A2 WO 2015195786A2 US 2015036206 W US2015036206 W US 2015036206W WO 2015195786 A2 WO2015195786 A2 WO 2015195786A2
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azacytidine
cytidine analog
subject
administering
cancer
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PCT/US2015/036206
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English (en)
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WO2015195786A3 (fr
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Kyle Macbeth
Aaron NGUYEN
Jorge Dimartino
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Celgene Corporation
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Priority claimed from US14/307,448 external-priority patent/US20140357567A1/en
Application filed by Celgene Corporation filed Critical Celgene Corporation
Publication of WO2015195786A2 publication Critical patent/WO2015195786A2/fr
Publication of WO2015195786A3 publication Critical patent/WO2015195786A3/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
    • A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
    • A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/337—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/555—Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents

Definitions

  • cytidine analog or a salt, solvate, or hydrate thereof.
  • the cytidine analog is formulated in an oral dosage form and administered orally.
  • pharmaceutical compositions for use in treating cancer in a subject are provided herein.
  • Cancer is a major worldwide public health problem; in the United States alone, approximately 570,000 cancer-related deaths were expected in 2005. See, e.g., Jemal et ah, CA Cancer J. Clin. 55(1): 10-30 (2005). Many types of cancer have been described in the medical literature. Examples include cancer of the blood, bone, lung ⁇ e.g., non-small- cell lung cancer and small-cell lung cancer), colon, breast, prostate, ovary, brain, and intestine. The incidence of cancer continues to climb as the general population ages and as new forms of cancer develop. A continuing need exists for effective therapies to treat subjects with cancer.
  • nucleoside analogs have been used clinically for the treatment of viral infections and certain cancers. Most nucleoside analogs are classified as anti-metabolites. After they enter the cell, nucleoside analogs are successively phosphorylated to nucleoside 5 '-mono-phosphates, di-phosphates, and tri-phosphates.
  • nucleoside analogs 5-azacytidine also known as 4-amino-l-P-D- ribofuranosyl-l,3,5-triazin-2(lH)-one; National Service Center designation NSC-102816; CAS Registry Number 320-67-2; azacitidine; Aza and AZA; and currently marketed as VIDAZA ®
  • 2'-deoxy-5-azacytidine also known as 5-aza-2'-deoxycytidine, decitabine, 5-aza-CdR, Dac, and DAC, and currently marketed as DACOGEN ®
  • DNMT methyltransferase
  • MDS myelodysplasia syndromes
  • Azacitidine and decitabine are cytidine analogs; a structural difference between these cytidine analogs and their related natural nucleosides is the presence of a nitrogen at position 5 of the cytosine ring in place of a carbon.
  • Azacitidine may be defined as having a molecular formula of C8H12N4O5, a molecular weight of 244.21 grams per mole, and a structure as shown below.
  • Decitabine may be defined as having a molecular formula of C8H12N4O4, a molecular weight of 228.21 grams per mole, and a structure as shown below.
  • DNA methyltransferases are responsible for de novo DNA methylation and for reproducing established methylation patterns in daughter DNA strands of replicating DNA. Inhibition of DNA methyltransferases can lead to DNA hypomethylation, thereby restoring normal functions to morphologically dysplastic, immature cells by re-expression of genes involved in normal cell cycle regulation, differentiation and death. The cytotoxic effects of cytidine analogs can cause the death of rapidly dividing cells that are no longer responsive to normal cell growth control mechanisms.
  • 5-Azacytidine unlike 5 -aza-2'-deoxy cytidine, also incorporates into RNA.
  • the cytotoxic effects of azacitidine may result from multiple mechanisms, including inhibition of DNA, RNA and protein synthesis, incorporation into RNA and DNA, and activation of DNA damage pathways.
  • 5-Azacytidine and 5-aza-2'-deoxycytidine have been tested in clinical trials and showed significant activity, such as, for example, in the treatment of
  • MDS myelodysplasia syndromes
  • AML acute myelogenous leukemia
  • CML chronic myelogenous leukemia
  • ALL acute lymphocytic leukemia
  • NCL non Hodgkin's lymphoma
  • 5- Azacytidine may alter the natural course of MDS by diminishing the transformation to AML through its cytotoxic activity and its inhibition of DNA methyltransferase.
  • D-arabinofuranosylcytosine (Cytarabine or ara-C); pseudoisocytidine (psi ICR); 5-fluoro-2'- deoxycytidine (FCdR); 2'-deoxy-2',2'-difluorocytidine (Gemcitabine); 5-aza-2'-deoxy-2',2'- difluorocytidine; 5-aza-2'-deoxy-2'-fluorocytidine; l-P-D-ribofuranosyl-2(lH)-pyrimidinone (Zebularine); 2',3'-dideoxy-5-fluoro-3'-thiacytidine (Emtriva); 2'-cyclocytidine (Ancitabine); l-P-D-arabinofuranosyl-5-azacytosine (Fazarabine or ara-AC); 6-azacytidine (6-aza-CR); 5,6-dihydro-5-azacytidine (dH-aza
  • 5-Azacytidine and certain other cytidine analogs are approved for subcutaneous (SC) or intravenous (IV) administration to treat certain proliferative disorders. Oral dosing of cytidine analogs would be more desirable and convenient for patients and doctors, e.g., by eliminating injection- site reactions that may occur with SC administration and/or by permitting improved patient compliance.
  • oral delivery of cytidine analogs has proven difficult due to combinations of chemical instability, enzymatic instability, and/or poor permeability.
  • cytidine analogs have been considered acid labile and unstable in the acidic gastric environment.
  • kits for treating, preventing, or managing cancers using a cytidine analog, or a salt, solvate, or hydrate thereof are also provided. Also provided are methods for using a cytidine analog, or a salt, solvate, or hydrate thereof, to treat, prevent, or manage diseases and disorders, including disorders related to abnormal cell proliferation, hematologic disorders, and immune disorders, among others. In one embodiment, the methods according to the invention are for treating the diseases referred to above.
  • composition comprising a cytidine analog, or a salt, solvate, or hydrate thereof for use in any of the methods described herein.
  • the cancer is a solid tumor. In one embodiment, the cancer is relapsed or refractory. In one embodiment, the cancer is a cancer of the breast, lung, head and neck, ovary, testicle, prostate, gastrointestinal system, stomach, pancreas, liver, colon, kidney, bladder, brain, skin, or bone, among others. In one embodiment, the cancer is a cancer of the blood or the lymph. In particular embodiments, the cancer is a relapsed or refractory solid tumor. In particular embodiments, the cancer is a cancer of the bladder, ovary, pancreas, lung, colon, head and neck, breast, or skin.
  • the cancer is a cancer of the bladder, ovary, pancreas, lung, or colon.
  • the cancer is a non-small cell lung cancer.
  • the cancer is a sarcoma.
  • the cancer is an endometrial cancer.
  • the cancer is a pancreatic cancer.
  • the cancer is a colorectal cancer.
  • the cancer is an ovarian cancer.
  • the cancer is a nasopharyngeal cancer.
  • the cytidine analog is formulated in an oral dosage form provided herein (e.g., a tablet or a capsule).
  • the cytidine analog is administered orally to a subject in need thereof.
  • the cytidine analog is administered to a subject in need thereof for a sustained period of time.
  • the cytidine analog is administered to a subject in need thereof cyclically (e.g., dosing for one or more days, followed by a resting period).
  • the cytidine analog is administered to a subject in need thereof over multiple dosing cycles.
  • the cytidine analog is administered alone as a single agent to a subject in need thereof.
  • the cytidine analog is administered in combination with one or more additional anti-cancer agent(s), including, but not limited to, carboplatin, paclitaxel, or Abraxane® (paclitaxel protein-bound particles), among others.
  • the additional anti-cancer agent is an alkylating agent, a cytotoxic agent, an anti-angiogenic agent, an anti-tubulin agent, an anti-metabolite, a kinase inhibitor, a biologies agent, or any other known anti-cancer agent (e.g. , an anti-cancer agent provided herein elsewhere).
  • an anti-emetic is administered to a subject in need thereof.
  • the cytidine analog is administered in combination with carboplatin.
  • the cytidine analog is administered in an alternative embodiment.
  • the cytidine analog is administered orally or parenterally. In one embodiment, the cytidine analog is administered orally. In particular embodiments, 5-azacytidine is administered orally. In one embodiment, the additional anticancer agent is administered orally or parenterally. In one embodiment, the cytidine analog is administered via the same route as the one or more additional anti-cancer agent(s). In one embodiment, the cytidine analog is administered via a different route as the one or more additional anti-cancer agent(s) (e.g. , one administered orally and the other administered parenterally).
  • the cytidine analog is administered in a particular dosing cycle.
  • the cytidine analog and the one or more additional anti- cancer agent(s) are coadministered in a particular dosing cycle.
  • the cytidine analog is first administered to a subject in need thereof for one or more days (e.g., for 7 days or more), and the one or more additional anti-cancer agent(s) is/are administered to the subject (e.g., starting on Day 8 or later of the treatment cycle).
  • the cytidine analog when the one or more additional anti-cancer agent(s) is/are administered to the subject, the cytidine analog is also administered to the subject. In particular embodiments, when the one or more additional anti-cancer agent(s) is/are administered to the subject, the cytidine analog is not administered to the subject simultaneously.
  • compositions comprising a cytidine analog, wherein the compositions release the API substantially in the stomach upon oral administration.
  • pharmaceutical compositions comprising a cytidine analog, wherein the compositions release the API substantially in the stomach and the upper intestine upon oral administration.
  • methods for making the compositions, and methods for using the compositions to treat, prevent, or manage diseases and disorders including cancer, disorders related to abnormal cell proliferation, solid tumors, and hematologic disorders are also provided herein.
  • the cytidine analog is 5-azacytidine. In other embodiments, the cytidine analog is 5 -aza-2'-deoxy cytidine (decitabine or 5-aza-CdR). In yet other embodiments, the cytidine analog is, for example: ⁇ - ⁇ -D-arabinofuranosylcytosine (Cytarabine or ara-C); pseudoisocytidine (psi ICR); 5 -fluoro-2'-deoxy cytidine (FCdR); 2'- deoxy-2',2'-difluorocytidine (Gemcitabine); 5-aza-2'-deoxy-2',2'-difluorocytidine; 5-aza-2'- deoxy-2'-fluorocytidine; l-P-D-ribofuranosyl-2(lH)-pyrimidinone (Zebularine); 2',3'- dideoxy-5-fluoro-3
  • compositions that are single unit dosage forms comprising a cytidine analog Certain embodiments herein provide compositions that are non-enteric-coated. Certain embodiments herein provide compositions that are tablets comprising a cytidine analog. Certain embodiments herein provide compositions that are capsules comprising a cytidine analog. In certain
  • the single unit dosage forms optionally further contain one or more excipients.
  • the tablets optionally further contain one or more excipients.
  • the capsules optionally further contain one or more excipients.
  • the composition is a tablet that effects an immediate release of the API upon oral administration.
  • the composition is a tablet that effects a controlled release of the API substantially in the stomach.
  • the composition is a tablet that effects a controlled release of the API substantially in the stomach and the upper intestine.
  • the composition is a capsule that effects an immediate release of the API upon oral
  • the composition is a capsule that effects a controlled release of the API substantially in the stomach. In other embodiments, the composition is a capsule that effects a controlled release of the API substantially in the stomach and the upper intestine.
  • the tablet contains a drug core that comprises a cytidine analog, and optionally further contains a coating of the drug core, wherein the coating is applied to the drug core using an aqueous solvent, such as, for example, water, or non-aqueous solvent, such as, for example ethanol.
  • Certain embodiments herein provide methods of making formulations of cytidine analogs intended for oral delivery. Further provided are articles of manufacture containing packaging material, an oral formulation of a cytidine analog, and a label that indicates that the formulation is for the treatment, prevention, or management of certain diseases or disorders including, e.g., a cancer, a disorder related to abnormal cell proliferation, a solid tumor, a hematologic disorder, or an immune disorder.
  • certain diseases or disorders including, e.g., a cancer, a disorder related to abnormal cell proliferation, a solid tumor, a hematologic disorder, or an immune disorder.
  • Certain embodiments herein provide methods of using the formulations provided herein to treat, prevent, or manage diseases or disorders including, e.g., cancer, disorders related to abnormal cell proliferation, solid tumors, hematologic disorders, or immune disorders.
  • the formulations of cytidine analogs are orally administered to subjects in need thereof to treat, prevent, or manage a cancer; or a hematological disorder, such as, for example, MDS, AML, ALL, CML, NHL, leukemia, lymphoma, or multiple myeloma; or a solid tumor, such as, for example, sarcoma, melanoma, carcinoma, or cancer of the colon, breast, ovary, gastrointestinal system, kidney, bladder, lung (e.g., non-small-cell lung cancer and small-cell lung cancer), testicle, prostate, stomach, pancreas, liver, head and neck, brain, skin, or bone, among others.
  • a hematological disorder such as, for example, MDS, AML, ALL,
  • the cancer is a cancer of the bladder, ovary, pancreas, lung, colon, head and neck, breast, or skin.
  • the cancer is a cancer of the bladder, ovary, pancreas, lung, or colon.
  • the cancer is refractory.
  • the cancer is relapsed.
  • the cancer is metastatic.
  • the formulations of cytidine analogs are orally administered to subjects in need thereof to treat, prevent, or manage an immune disorder.
  • the oral formulations provided herein are co-administered with one or more therapeutic agents to provide a synergistic therapeutic effect in subjects in need thereof.
  • the oral formulations provided herein are co-administered with one or more therapeutic agents to provide a resensitization effect in subjects in need thereof.
  • the co-administered agents may be a cancer therapeutic agent, as described herein.
  • the co-administered agent(s) may be dosed, e.g., orally or by injection.
  • the cytidine and/or the co-administered agent(s) may be dosed cyclically.
  • the tablets optionally further contain one or more excipients such as, for example, glidants, diluents, lubricants, colorants, disintegrants, granulating agents, binding agents, polymers, and/or coating agents.
  • excipients such as, for example, glidants, diluents, lubricants, colorants, disintegrants, granulating agents, binding agents, polymers, and/or coating agents.
  • excipients such as, for example, glidants, diluents, lubricants, colorants, disintegrants, granulating agents, binding agents, polymers, and/or coating agents.
  • excipients such as, for example, glidants, diluents, lubricants, colorants, disintegrants, granul
  • compositions comprising a therapeutically effective amount of 5-azacytidine.
  • compositions comprising a therapeutically effective amount of 5-azacytidine, wherein the composition releases the 5- azacytidine substantially in the stomach following oral administration to a subject.
  • compositions which: are immediate release compositions; do not have an enteric coating (i.e., are non-enteric-coated); are tablets; are capsules; further comprise an excipient selected from any excipient disclosed herein; further comprise a permeation enhancer; further comprise d-alpha-tocopheryl polyethylene glycol 1000 succinate; further comprise a permeation enhancer in the formulation at about 2% by weight relative to the total weight of the formulation; are essentially free of a cytidine deaminase inhibitor; are essentially free of tetrahydrouridine; have an amount of 5- azacytidine of at least about 40 mg; have an amount of 5-azacytidine of at least about 50 mg; have an amount of 5-azacytidine of at least about 60 mg; have an amount of 5- azacytidine of at least about 80 mg; have an amount of 5-azacytidine of at least about 100 mg; have an amount of 5-azacytidine of at least about
  • Specific embodiments herein provide, inter alia, methods for treating a subject having cancer or a disease associated with abnormal cell proliferation, comprising orally administering to the subject a pharmaceutical composition comprising a
  • kits for treating a subject having cancer or a disease associated with abnormal cell proliferation comprising orally administering to the subject a pharmaceutical composition comprising a therapeutically effective amount of 5-azacytidine, wherein the composition releases the 5-azacytidine substantially in the stomach following oral administration to the subject.
  • the disease is myelodysplasia syndrome; the disease is acute myelogenous leukemia; the disease is cancer; the disease is a solid tumor; the disease is a cancer of the bladder, ovary, pancreas, lung, colon, head and neck, breast, or skin; the disease is a cancer of the bladder, ovary, pancreas, lung, or colon; the disease is a relapsed or refractory solid tumor; the method further comprises co-administering to the subject in need thereof an additional therapeutic agent selected from any additional therapeutic agent disclosed herein; the composition is an immediate release composition; the composition does not have an enteric coating; the composition further comprises a permeation enhancer; the composition further comprises the permeation enhancer d-alpha-tocopheryl
  • the composition further comprises d-alpha-tocopheryl polyethylene glycol 1000 succinate in the formulation at about 2% by weight relative to the total weight of the formulation; the method further comprises not co-administering a cytidine deaminase inhibitor with the cytidine analog;
  • the composition is a single unit dosage form;
  • the composition is a tablet;
  • the composition is a capsule;
  • the composition further comprises an excipient selected from any excipient disclosed herein; the amount of 5-azacytidine is at least about 40 mg; the amount of 5-azacytidine is at least about 50 mg; the amount of 5-azacytidine is at least about 60 mg; the amount of 5-azacytidine is at least about 80 mg; the amount of 5-azacytidine is at least about 100 mg; the amount of 5- azacytidine is at least about 120 mg; the amount of 5-azacytidine is at least about 150 mg; the amount of 5-azacytidine is at least about 200 mg; the amount
  • the pharmaceutical composition is a tablet. In another embodiment, the pharmaceutical composition is a capsule. In a further embodiment, the pharmaceutical composition comprises about 200 mg of 5-azacytidine. In a still further embodiment, the pharmaceutical composition comprises about 300 mg of 5- azacytidine.
  • Figure 1 Dosing and sampling schema for Part 1 , Arm A of a clinical study on orally dosed 5-azacytidine.
  • Figure 2 Dosing and sampling schema for Part 1, Arm B of a clinical study on orally dosed 5-azacytidine.
  • Figure 3 Dosing and sampling schema for Part 1, Arm C of a clinical study on orally dosed 5-azacytidine.
  • Figure 4 Dose levels and dose escalation rules for Arms A and B of a clinical study on orally dosed 5-azacytidine.
  • Figure 5 Dose levels and dose escalation rules for Arm C of a clinical study on orally dosed 5-azacytidine.
  • Figure 6 Modeling of clinical dosing schema in cancer cells.
  • Figure 7 Baseline and Cycle 2 CT cross section scans of patients in 5- azacytidine and Abraxane treatment group with a pancreatic tumor, and endometrial tumor.
  • Figure 8 Baseline and Cycle 2 CT cross section scans of a patient in 5- azacytidine treatment group with a nasopharyngeal carcinoma.
  • Figure 13 Plasma EBV DNA versus Time on Study in Subjects with
  • Figure 14 A graph of change in size of nasopharyngeal carcinoma target lesions in subjects undergoing 5-azacytidine single agent treatment.
  • the term “about” or “approximately” means an acceptable error for a particular value as determined by one of ordinary skill in the art, which depends in part on how the value is measured or determined. In certain embodiments, the term “about” or “approximately” means within 1, 2, 3, or 4 standard deviations. In certain embodiments, the term “about” or “approximately” means within 30%, 25%, 20%, 15%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, or 0.05% of a given value or range.
  • treating and “treatment” refer to the eradication or amelioration of a disease or disorder, or of one or more symptoms associated with the disease or disorder.
  • the terms refer to minimizing the spread or worsening of the disease or disorder resulting from the administration of one or more prophylactic or therapeutic agents to a subject with such a disease or disorder.
  • the terms refer to the administration of a compound or dosage form provided herein, with or without one or more additional active agent(s), after the onset of symptoms of the particular disease.
  • preventing and prevention refer to the prevention of the onset, recurrence or spread of a disease or disorder, or of one or more symptoms thereof.
  • the terms refer to the treatment with or administration of a compound or dosage form provided herein, with or without one or more other additional active agent(s), prior to the onset of symptoms, particularly to subjects at risk of disease or disorders provided herein.
  • the terms encompass the inhibition or reduction of a symptom of the particular disease.
  • Subjects with familial history of a disease are potential candidates for preventive regimens in certain
  • prevention may be interchangeably used with the term “prophylactic treatment.”
  • “managing” and “management” refer to preventing or slowing the progression, spread or worsening of a disease or disorder, or of one or more symptoms thereof. Often, the beneficial effects that a subject derives from a prophylactic and/or therapeutic agent do not result in a cure of the disease or disorder. In this regard, the term “managing” encompasses treating a subject who had suffered from the particular disease in an attempt to prevent or minimize the recurrence of the disease.
  • amelioration of the symptoms of a particular disorder by administration of a particular pharmaceutical composition refers to any lessening, whether permanent or temporary, lasting or transient, that can be attributed to or associated with administration of the composition.
  • the terms “therapeutically effective amount” and “effective amount” of a compound mean an amount sufficient to provide a therapeutic benefit in the treatment or management of a disease or disorder, or to delay or minimize one or more symptoms associated with the disease or disorder.
  • a “therapeutically effective amount” and “effective amount” of a compound mean an amount of therapeutic agent, alone or in combination with one or more other agent(s), which provides a therapeutic benefit in the treatment or management of the disease or disorder.
  • the terms “therapeutically effective amount” and “effective amount” can encompass an amount that improves overall therapy, reduces or avoids symptoms or causes of disease or disorder, or enhances the therapeutic efficacy of another therapeutic agent.
  • a prophylactically effective amount of a compound is an amount sufficient to prevent a disease or disorder, or prevent its recurrence.
  • a prophylactically effective amount of a compound means an amount of therapeutic agent, alone or in combination with one or more other agent(s), which provides a prophylactic benefit in the prevention of the disease.
  • prophylactically effective amount can encompass an amount that improves overall prophylaxis or enhances the prophylactic efficacy of another prophylactic agent.
  • the term "subject” is defined herein to include animals such as mammals, including, but not limited to, primates (e.g., humans), cows, sheep, goats, horses, dogs, cats, rabbits, rats, mice, and the like. In specific embodiments, the subject is a human.
  • the terms "subject” and “patient” are used interchangeably herein in reference, for example, to a mammalian subject, such as a human.
  • Tumor refers to all neoplastic cell growth and proliferation, whether malignant or benign, and all pre-cancerous and cancerous cells and tissues.
  • Neoplastic refers to any form of dysregulated or unregulated cell growth, whether malignant or benign, resulting in abnormal tissue growth.
  • Neoplastic cells include malignant and benign cells having dysregulated or unregulated cell growth.
  • cancer refers to or describe the physiological condition in mammals that is typically characterized by unregulated cell growth.
  • examples of cancer include, but are not limited to blood-borne (e.g. , lymphoma, leukemia) and solid tumors.
  • proliferative disorder or disease refers to unwanted cell proliferation of one or more subset of cells in a multicellular organism resulting in harm (i.e., discomfort or decreased life expectancy) to the multicellular organism.
  • proliferative disorder or disease includes neoplastic disorders and other proliferative disorders.
  • relapsed refers to a situation where a subject, that has had a remission of cancer after a therapy, has a return of cancer cells.
  • resistant refers to a circumstance where a subject, even after intensive treatment, has residual cancer cells in the body.
  • drug resistance refers to the condition when a disease does not respond to the treatment of a drug or drugs. Drug resistance can be either intrinsic, which means the disease has never been responsive to the drug or drugs, or it can be acquired, which means the disease ceases responding to a drug or drugs that the disease had previously responded to. In certain embodiments, drug resistance is intrinsic. In certain embodiments, the drug resistance is acquired. [0055] As used herein, and unless otherwise specified, the term “anti-cancer agent,” “anticancer agent” or “cancer therapeutic agent” is meant to include antiproliferative agents and chemotherapeutic agents, including, but not limited to,
  • antimetabolites e.g., 5-fluoro uracil, methotrexate, azacitidine, decitabine, fludarabine, cytarabine (also known as cytosine arabinoside or Ara-C), and high dose cytarabine
  • antimicrotubule agents e.g., vinca alkaloids, such as vincristine and vinblastine; and taxanes, such as paclitaxel and docetaxel
  • alkylating agents e.g., mechlorethamine, chlorambucil, cyclophosphamide, melphalan, ifosfamide, carmustine, busulfan,
  • cyclophosphamide dacarbazine, ifosfamide, and nitrosoureas, such as carmustine, lomustine, bischloroethylnitrosurea, and hydroxyurea
  • platinum agents e.g., cisplatin, carboplatin, oxaliplatin, satraplatin (JM-216), and CI-973
  • anthracyclines e.g., doxorubicin and daunorubicin
  • antitumor antibiotics e.g.
  • topoisomerase inhibitors e.g., mitomycin, bleomycin, idarubicin, adriamycin, daunomycin (also known as daunorubicin, rubidomycin, or cerubidine), and mitoxantrone
  • topoisomerase inhibitors e.g.
  • cytotoxic agents e.g., arsenic trioxide and tretinoin
  • cell maturing agents e.g., arsenic trioxide and tretinoin
  • DNA repair enzyme inhibitors e.g., podophyllotoxines, etoposide, irinotecan, topotecan, and teniposide
  • enzymes that prevent cell survival e.g., asparaginase and pegaspargase
  • histone deacetylase inhibitors e.g., vorinostat
  • any other cytotoxic agents e.g.,
  • estramustine phosphate dexamethasone, prednimustine, and procarbazine
  • hormones e.g., dexamethasone, prednisone, methylprednisolone, tamoxifen, leuprolide, flutamide, and megestrol
  • monoclonal antibodies e.g., gemtuzumab ozogamicin, alemtuzumab, rituximab, and yttrium-90-ibritumomab tiuxetan
  • immuno-modulators e.g., thalidomide and lenalidomide
  • Bcr-Abl kinase inhibitors e.g., AP23464, AZD0530, CGP76030,
  • PD 180970 SKI-606, imatinib, BMS354825 (dasatinib), AMN107 (nilotinib), and VX-680
  • hormone agonists or antagonists e.g., gamma-radiation, neutron bean radiotherapy, electron beam radiotherapy, proton therapy, brachytherapy, and systemic radioactive isotopes
  • endocrine therapy e.g., gamma-radiation, neutron bean radiotherapy, electron beam radiotherapy, proton therapy, brachytherapy, and systemic radioactive isotopes
  • biological response modifiers e.g., interferons, interleukins, and tumor necrosis factor
  • hyperthermia and cryotherapy e.g., hyperthermia and cryotherapy, and agents to attenuate any adverse effects (e.g., antiemetics).
  • the terms “coadministration” and “in combination with” include the administration of two or more therapeutic agents simultaneously, concurrently, or sequentially within no specific time limits unless otherwise indicated.
  • the agents are present in the cell or in the subject's body at the same time or exert their biological or therapeutic effect at the same time.
  • the therapeutic agents are in the same composition or unit dosage form. In other embodiments, the therapeutic agents are in separate compositions or unit dosage forms.
  • a first agent can be administered prior to (e.g., 5 minutes, 15 minutes, 30 minutes, 45 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 12 hours, 24 hours, 48 hours, 72 hours, 96 hours, 1 week, 2 weeks, 3 weeks, 4 weeks, 5 weeks, 6 weeks, 8 weeks, or 12 weeks before), essentially concomitantly with, or subsequent to (e.g., 5 minutes, 15 minutes, 30 minutes, 45 minutes, 1 hour, 2 hours, 4 hours, 6 hours, 12 hours, 24 hours, 48 hours, 72 hours, 96 hours, 1 week, 2 weeks, 3 weeks, 4 weeks, 5 weeks, 6 weeks, 8 weeks, or 12 weeks after) the administration of a second therapeutic agent.
  • compositions comprising the specified ingredient(s) (in the specified amounts, if indicated), as well as any product(s) which result, directly or indirectly, from combination of the specified ingredient(s) in the specified amount(s).
  • pharmaceutical or “pharmaceutically acceptable” it is meant that any diluent(s), excipient(s) or carrier(s) in the composition, formulation, or dosage form are compatible with the other ingredient(s) and not deleterious to the recipient thereof.
  • composition composition
  • formulation and “dosage form” are used herein interchangeably.
  • immediate release when used herein in reference to a composition, formulation, or dosage form provided herein, means that the composition, formulation, or dosage form does not comprise a component (e.g. , a coating) that serves to delay the spatial and/or temporal release of some or all of the API from the composition, formulation, or dosage form following oral administration.
  • an immediate release composition, formulation, or dosage form is one that releases the API substantially in the stomach following oral administration.
  • an immediate release composition, formulation, or dosage form is one that releases the API substantially in the stomach or the upper intestine following oral administration.
  • an immediate release composition, formulation, or dosage form is one that is not delayed-release.
  • an immediate release composition, formulation, or dosage form is one that does not comprise an enteric coating.
  • non-enteric-coated refers to a
  • a non-enteric-coated composition, formulation, or dosage form that does not comprise a coating intended to release the active ingredient(s) beyond the stomach (e.g., in the intestine).
  • a non-enteric-coated composition, formulation, or dosage form is designed to release the active ingredient(s) substantially in the stomach.
  • a non-enteric-coated composition, formulation, or dosage form is designed to release the active ingredient(s) substantially in the stomach and the upper intestine.
  • substantially in the stomach when used herein in reference to a composition, formulation, or dosage form provided herein, means that at least about 99%, at least about 95%, at least about 90%, at least about 85%, at least about 80%, at least about 75%), at least about 70%>, at least about 65%, at least about 60%>, at least about 55%, at least about 50%), at least about 45%, at least about 40%>, at least about 35%, at least about 30%, at least about 25%, at least about 20%, at least about 15%, or at least about 10% of the cytidine analog is released in the stomach.
  • released in the stomach and related terms as used herein refer to the process whereby the cytidine analog is made available for uptake by or transport across cells lining the stomach and then made available to the body.
  • isotopic composition refers to the amount of each isotope present in a given atomic position
  • naturally occurring isotopic composition refers to the naturally occurring isotopic composition or abundance for a given atomic position
  • Atomic positions containing their natural isotopic composition may also be referred to herein as "non- enriched.”
  • the atomic positions of the compounds recited herein are meant to represent any stable isotope of that atom. For example, unless otherwise stated, when a position is designated specifically as “H” or "hydrogen,” the position is understood to have hydrogen at its natural isotopic composition.
  • isotopically enriched refers to an atomic position having an isotopic composition other than the natural isotopic composition of that atom.
  • isotopically enriched may also refer to a compound containing at least one atomic position having an isotopic composition other than the natural isotopic composition of that atom.
  • an “isotopologue” is an isotopically enriched compound.
  • isotopic enrichment refers to the percentage of incorporation of an amount of a specific isotope at a given atomic position in a molecule in the place of that atom's natural isotopic composition. For example, deuterium enrichment of 1% at a given position means that 1% of the molecules in a given sample contain deuterium at the specified position. Because the naturally occurring distribution of deuterium is about 0.0156%, deuterium enrichment at any position in a compound synthesized using non- enriched starting materials is about 0.0156%.
  • isotopic enrichment factor refers to the ratio between the isotopic composition and the natural isotopic composition of a specified isotope.
  • a position designated as having deuterium typically has a minimum isotopic enrichment factor of, in particular embodiments, at least 1000 (15% deuterium incorporation), at least 2000 (30%> deuterium incorporation), at least 3000 (45% deuterium incorporation), at least 3500 (52.5% deuterium incorporation), at least 4000 (60%> deuterium incorporation), at least 4500 (67.5% deuterium incorporation), at least 5000 (75% deuterium incorporation), at least 5500 (82.5% deuterium incorporation), at least 6000 (90% deuterium incorporation), at least 6333.3 (95% deuterium incorporation), at least 6466.7 (97%) deuterium incorporation), at least 6600 (99% deuterium incorporation), or at least 6633.3 (99.5%) deuterium incorporation) at each designated deuterium position.
  • physiologically acceptable carrier refers to a pharmaceutically-acceptable material, composition, or vehicle, such as, e.g., a liquid or solid filler, diluent, excipient, solvent, or encapsulating material.
  • each component is "pharmaceutically acceptable” in the sense of being compatible with the other ingredients of a pharmaceutical formulation, and suitable for use in contact with the tissue or organ of humans and animals without excessive toxicity, irritation, allergic response, immunogenicity, or other problems or complications, commensurate with a reasonable benefit/risk ratio.
  • compositions, formulation, or dosage form are compatible with the other ingredient(s) and not deleterious to the recipient thereof.
  • pharmaceutical or “pharmaceutically acceptable” it is meant that any diluent(s), excipient(s) or carrier(s) in the composition, formulation, or dosage form are compatible with the other ingredient(s) and not deleterious to the recipient thereof. See, e.g., Remington, The Science and Practice of Pharmacy, 21st Edition; Lippincott Williams & Wilkins: Philadelphia, PA, 2005; Handbook of
  • hydrate means a compound provided herein or a salt thereof, which further includes a stoichiometric or non-stoichiometric amount of water bound by non-covalent intermolecular forces.
  • solvate means a solvate formed from the association of one or more solvent molecules to a compound provided herein.
  • solvate includes hydrates (e.g., mono-hydrate, dihydrate, trihydrate, tetrahydrate and the like).
  • the compound may exist as a single tautomer or a mixture of tautomers. This can take the form of proton tautomerism; or so-called valence tautomerism in the compound, e.g., that contain an aromatic moiety.
  • cytidine analogs that release the API substantially in the stomach upon oral administration.
  • the cytidine analog is 5-azacytidine.
  • the cytidine analog is 5 -aza-2'-deoxy cytidine (decitabine or 5-aza- CdR).
  • the cytidine analog is, for example: ⁇ - ⁇ -D- arabinofuranosylcytosine (Cytarabine or ara-C); pseudoiso-cytidine (psi ICR); 5-fluoro-2'- deoxycytidine (FCdR); 2'-deoxy-2',2'-difluorocytidine (Gemcitabine); 5-aza-2'-deoxy-2',2'- difluorocytidine; 5-aza-2'-deoxy-2'-fluorocytidine; l-P-D-ribofuranosyl-2(lH)-pyrimidinone (Zebularine); 2',3'-dideoxy-5-fluoro-3'-thiacytidine (Emtriva); 2'-cyclocytidine (Ancitabine); l-P-D-arabinofuranosyl-5-azacytosine (Fazarabine or ara-AC); 6-azacytidine (6-aza
  • an azacitidine-fatty acid conjugate including, but not limited to, CP-4200 (Clavis Pharma ASA) or a compound disclosed in WO 2009/042767, such as aza-C-5'-petroselinic acid ester or aza-C-5'-petroselaidic acid ester).
  • cytidine analogs provided herein include esterified derivatives of cytidine analogs, such as, e.g., esterified derivatives of 5- azacytidine.
  • esterified derivatives are cytidine analogs that contain an ester moiety (e.g., an acetyl group) at one or more positions on the cytidine analog molecule. Esterified derivatives may be prepared by any method known in the art.
  • esterified derivatives of a cytidine analog serve as prodrugs of the cytidine analog, such that, e.g., following administration of an esterified derivative, the derivative is deacetylated in vivo to yield the cytidine analog.
  • a particular embodiment herein provides 2',3',5'-triacetyl-5-azacytidine (TAC), which possesses favorable physical- chemical and therapeutic properties. See, e.g., International Publication No. WO
  • the cytidine analogs provided herein include any compound which is structurally related to cytidine or deoxycytidine and functionally mimics and/or antagonizes the action of cytidine or deoxycytidine.
  • Certain embodiments herein provide salts, cocrystals, solvates (e.g., hydrates), complexes, prodrugs, precursors, metabolites, and/or other derivatives of the cytidine analogs provided herein.
  • particular embodiments provide salts, cocrystals, solvates (e.g., hydrates), complexes, precursors, metabolites, and/or other derivatives of 5-azacytidine.
  • Certain embodiments provide cytidine analogs that are not salts, cocrystals, solvates (e.g., hydrates), or complexes of the cytidine analogs provided herein.
  • particular embodiments provide 5- azacytidine in a non-ionized, non-solvated (e.g., anhydrous), non-complexed form.
  • Certain embodiments herein provide mixtures of two or more cytidine analogs provided herein.
  • Cytidine analogs provided herein may be prepared using synthetic methods and procedures referenced herein or otherwise available in the literature. For example, particular methods for synthesizing 5-azacytidine are taught in, e.g., U.S. Patent No. 7,038,038 and references discussed therein, each of which is incorporated herein by reference. 5-Azacytidine is also available from Celgene Corporation, Warren, NJ. Other cytidine analogs provided herein may be prepared using previously disclosed synthetic procedures available to a person of ordinary skill in the art.
  • the depicted structure is to be accorded more weight.
  • the stereochemistry of a structure or a portion of a structure is not indicated with, for example, bold or dashed lines, the structure or portion of the structure is to be interpreted as encompassing all stereoisomers.
  • the compound provided herein contains an alkenyl or alkenylene group, the compound may exist as one geometric (i.e., cisl trans or E/Z) isomer or a mixture of geometric (i.e., cisl trans or E/Z) isomers. Unless otherwise specified, a compound provided herein is intended to encompass all geometric isomers.
  • the compound may exist as a single tautomer or a mixture of tautomers. This can take the form of proton
  • the compounds provided herein may be enantiomerically pure, such as a single enantiomer or a single diastereomer, or be stereoisomeric mixtures, such as a mixture of enantiomers, e.g., a racemic mixture of two enantiomers; or a mixture of two or more diastereomers.
  • Conventional techniques for the preparation/isolation of individual enantiomers include synthesis from a suitable optically pure precursor, asymmetric synthesis from achiral starting materials, or resolution of an enantiomeric mixture, for example, by chiral chromatography, recrystallization, resolution, diastereomeric salt formation, or derivatization into diastereomeric adducts followed by separation.
  • a compound in its (R) form is equivalent to administration of the compound in its (S) form, and vice versa.
  • the compound provided herein contains an acidic or basic moiety, it may also be provided as a pharmaceutically acceptable salt (See, Berge et al., J. Pharm. Sci. 1977, 66, 1-19; and "Handbook of Pharmaceutical Salts, Properties, and Use,” Stahl and Wermuth, Ed.; Wiley- VCH and VHCA, Zurich, 2002).
  • Suitable acids for use in the preparation of pharmaceutically acceptable salts include, but are not limited to, acetic acid, 2,2-dichloroacetic acid, acylated amino acids, adipic acid, alginic acid, ascorbic acid, L-aspartic acid, benzenesulfonic acid, benzoic acid, 4-acetamidobenzoic acid, boric acid, (+)-camphoric acid, camphorsulfonic acid, (+)- (15)-camphor-10-sulfonic acid, capric acid, caproic acid, caprylic acid, cinnamic acid, citric acid, cyclamic acid, cyclohexanesulfamic acid, dodecylsulfuric acid, ethane- 1 ,2-disulfonic acid, ethanesulfonic acid, 2-hydroxy-ethanesulfonic acid, formic acid, fumaric acid, galactaric acid, gentisic acid, glucohepton
  • methanesulfonic acid naphthalene-2-sulfonic acid, naphthalene- 1, 5 -disulfonic acid, 1- hydroxy-2 -naphthoic acid, nicotinic acid, nitric acid, oleic acid, orotic acid, oxalic acid, palmitic acid, pamoic acid, perchloric acid, phosphoric acid, L-pyroglutamic acid, saccharic acid, salicylic acid, 4-amino-salicylic acid, sebacic acid, stearic acid, succinic acid, sulfuric acid, tannic acid, (+)-L-tartaric acid, thiocyanic acid, p-toluenesulfonic acid, undecylenic acid, and valeric acid.
  • Suitable bases for use in the preparation of pharmaceutically acceptable salts including, but not limited to, inorganic bases, such as magnesium hydroxide, calcium hydroxide, potassium hydroxide, zinc hydroxide, or sodium hydroxide; and organic bases, such as primary, secondary, tertiary, and quaternary, aliphatic and aromatic amines, including L-arginine, benethamine, benzathine, choline, deanol, diethanolamine, diethylamine, dimethylamine, dipropylamine, diisopropylamine, 2-(diethylamino)-ethanol, ethanolamine, ethylamine, ethylenediamine, isopropylamine, N-methyl-glucamine, hydrabamine, lH-imidazole, L-lysine, morpholine, 4-(2-hydroxyethyl)-morpholine, methylamine, piperidine, piperazine, propylamine, pyrrolidine, l-
  • triethanolamine trimethylamine, triethylamine, N-methyl-D-glucamine, 2-amino-2- (hydroxymethyl)- 1,3 -propanediol, and tromethamine.
  • the compound provided herein may also be provided as a prodrug, which is a functional derivative of a compound provided herein, and is readily convertible into the parent compound in vivo.
  • Prodrugs are often useful because, in some situations, they may be easier to administer than the parent compound. They may, for instance, be bioavailable by oral administration whereas the parent compound is not.
  • the prodrug may also have enhanced solubility in pharmaceutical compositions over the parent compound.
  • a prodrug may be converted into the parent drug by various mechanisms, including enzymatic processes and metabolic hydrolysis. See Harper, Progress in Drug Research 1962, 4, 221- 294; Morozowich et al. in "Design of Biopharmaceutical Properties through Prodrugs and Analogs," Roche Ed., APHA Acad. Pharm. Sci. 1977; "Bioreversible Carriers in Drug in Drug Design, Theory and Application,” Roche Ed., APHA Acad. Pharm. Sci. 1987;
  • exemplary cytidine analogs have the structures provided below:
  • Particular embodiments herein provide isotopically enriched cytidine analogs, prodrugs thereof, synthetic intermediates thereof, and metabolites thereof.
  • specific embodiments herein provide isotopically enriched 5-azacytidine.
  • isotopic enrichment of a drug can be used, for example, to: (1) reduce or eliminate unwanted metabolites; (2) increase the half-life of the parent drug; (3) decrease the number of doses needed to achieve a desired effect; (4) decrease the amount of a dose necessary to achieve a desired effect; (5) increase the formation of active metabolites, if any are formed; and/or (6) decrease the production of deleterious metabolites in specific tissues and/or create a more effective drug and/or a safer drug for combination therapy, whether the combination therapy is intentional or not.
  • KIE Kinetic Isotope Effect
  • DKIE Deuterium Kinetic Isotope Effect
  • Certain embodiments herein provide deuterium enriched 5-azacytidine analogs, wherein one or more hydrogen(s) in the 5-azacytidine molecule is/are isotopically enriched with deuterium.
  • one or more Y atom(s) ⁇ i.e., ⁇ , ⁇ , ⁇ , ⁇ , ⁇ , ⁇ , and Y ) is/are hydrogen(s) isotopically enriched with deuterium, and any remaining Y atom(s) is/are non-enriched hydrogen atom(s).
  • one, two, three, four, five, six, or seven of the indicated Y atom(s) is/are isotopically enriched with deuterium, and any remaining Y atom(s) is/are non-enriched hydrogen(s).
  • Compound (I) are deuterium-enriched. Particular examples include, but are not limited to, the following compounds, in which the label "D" indicates a deuterium-enriched atomic position, i.e., a sample comprising the given compound has a deuterium enrichment at the indicated position(s) above the natural abundance of deuterium:
  • Compound (I) is deuterium-enriched.
  • Particular example includes the following compound, in which the label "D" indicates a deuterium-enriched atomic position, i.e., a sample comprising the given compound has a deuterium enrichment at the indicated position(s) above the natural abundance of d
  • one or more Y atoms on the ribose moiety and the Y atom on the 5-azacytosine moiety of Compound (I) are deuterium-enriched.
  • Particular examples include, but are not limited to, the following compounds, in which the label "D" indicates a deuterium-enriched atomic position, i.e., a sample comprising the given compound has a deuterium enrichment at the indicated position(s) above the natural abundance of deuterium:
  • one or more deuterium(s) may exchange with hydrogen under physiological conditions.
  • Certain embodiments herein provide carbon-13 enriched analogs of 5- azacytidine, wherein one or more carbon(s) in the 5-azacytidine molecule is/are isotopically enriched with carbon-13.
  • one or more of 1, 2, 3, 4, 5, 6, 7, or 8 is/are carbon atom(s) isotopically enriched with carbon-13, and any remaining atom(s) of 1, 2, 3, 4, 5, 6, 7, or 8 is/are non-enriched carbon atom(s).
  • one, two, three, four, five, six, seven, or eight carbon atom(s) i.e., atoms 1, 2, 3, 4, 5, 6, 7, and 8) is/are isotopically enriched with carbon- 13, and any remaining carbon atom(s) is/are non-enriched.
  • one or more carbon atom(s) of the ribose moiety of Compound (II) are enriched with carbon-13.
  • Particular examples include, but are not limited to, the following compounds, in which the asterisk ("*") indicates a carbon-13 enriched atomic position, i.e., a sample comprising the given compound has a carbon-13 enrichment at the indicated position(s) above the natural abundance of carbon-13:
  • one or more carbon atom(s) of the 5-azacytosine moiety of Compound (II) are enriched with carbon-13.
  • Particular examples include, but are not limited to, the following compounds, in which the asterisk "*" indicates a carbon-13 enriched atomic position, i.e., a sample comprising the given compound has a carbon-13 enrichment at the indicated position(s) above the natural abundance of carbon-13:
  • one or more carbon atoms on the ribose moiety and one or more carbon atoms on the 5-azacytosine moiety of Compound (II) are enriched with carbon-13, i.e., any combination of carbon-13 enrichment for the ribose moiety and carbon- 13 enrichment for the azacitosine moiety is encompassed herein.
  • one or more hydrogen(s) is/are enriched with deuterium(s) and one or more carbon(s) is/are enriched with carbon-13, i.e., any
  • the compounds described herein may be synthesized using any method known to one of ordinary skill in the art. For example, particular compounds described herein are synthesized using standard synthetic organic chemistry techniques known to those of ordinary skill in the art. In some embodiments, known procedures for the synthesis of 5-azacytidine are employed, wherein one or more of the reagents, starting materials, precursors, or intermediates are replaced by one or more isotopically-enriched reagents, starting materials, precursors, or intermediates, including but not limited to one or more deuterium-enriched reagents, starting materials, precursors, or intermediates, and/or one or more carbon- 13 -enriched reagents, starting materials, precursors, or intermediates.
  • Isotopically enriched reagents, starting materials, precursors, or intermediates are commercially available or may be prepared by routine chemical reactions known to one of skill in the art.
  • the routes are based on those disclosed in U.S. Patent No. 7,038,038 and U.S. Patent Publication No. 2009/0286752 (App. No. 12/466,213), both of which are incorporated herein by reference in their entireties.
  • compositions which comprise a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof, as an active ingredient, in combination with one or more pharmaceutically acceptable excipient or carrier.
  • the pharmaceutical composition comprises at least one nonrelease controlling excipient or carrier.
  • the pharmaceutical composition comprises at least one release controlling and at least one nonrelease controlling excipient or carrier.
  • the cytidine analog used in the pharmaceutical compositions provided herein is in a solid form.
  • suitable solid forms include, but are not limited to, solid forms comprising the free base of the cytidine analog, and solid forms comprising salts of the cytidine analog.
  • solid forms provided herein include polymorphs, solvates (including hydrates), and cocrystals comprising the cytidine analog and/or salts thereof.
  • the solid form is a crystal form of the cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • the pharmaceutical compositions provided herein may be formulated in various dosage forms for oral, parenteral, and topical administration.
  • the pharmaceutical compositions may also be formulated as modified release dosage forms, including delayed-, extended-, prolonged-, sustained-, pulsed-, controlled-, accelerated- and fast-, targeted-, programmed-release, and gastric retention dosage forms.
  • modified release dosage forms including delayed-, extended-, prolonged-, sustained-, pulsed-, controlled-, accelerated- and fast-, targeted-, programmed-release, and gastric retention dosage forms.
  • These dosage forms can be prepared according to conventional methods and techniques known to those skilled in the art.
  • the pharmaceutical compositions are provided in a dosage form for oral administration. In another embodiment, the pharmaceutical compositions are provided in a dosage form for parenteral administration. In yet another embodiment, the pharmaceutical compositions are provided in a dosage form for topical administration.
  • the pharmaceutical compositions provided herein may be provided in a unit-dosage form or multiple-dosage form.
  • a unit-dosage form refers to a physically discrete unit suitable for administration to human and animal subjects, and packaged individually as is known in the art. Each unit-dose contains a predetermined quantity of the active ingredient(s) sufficient to produce the desired therapeutic effect, in association with the required pharmaceutical carriers or excipients. Examples of a unit-dosage form include an ampoule, syringe, and individually packaged tablet and capsule. A unit-dosage form may be administered in fractions or multiples thereof.
  • a multiple-dosage form is a plurality of identical unit-dosage forms packaged in a single container to be administered in segregated unit-dosage form.
  • Examples of a multiple-dosage form include a vial, bottle of tablets or capsules, or bottle of pints or gallons.
  • the pharmaceutical compositions provided herein may be administered once or multiple times, at particular intervals of time. It is understood that the precise dosage and duration of treatment may vary with the age, weight, and condition of the patient being treated, and may be determined empirically using known testing protocols or by extrapolation from in vivo or in vitro test or diagnostic data. It is further understood that for any particular individual, specific dosage regimens should be adjusted over time according to the individual need and the professional judgment of the person administering or supervising the administration of the formulations.
  • the pharmaceutical compositions provided herein may be provided in solid, semisolid, or liquid dosage forms for oral administration.
  • oral administration also includes buccal, lingual, and sublingual administration.
  • Suitable oral dosage forms include, but are not limited to, tablets, capsules, pills, troches, lozenges, pastilles, cachets, pellets, medicated chewing gum, granules, bulk powders, effervescent or non-effervescent powders or granules, solutions, emulsions, suspensions, solutions, wafers, sprinkles, elixirs, and syrups.
  • the pharmaceutical compositions may contain one or more pharmaceutically acceptable carriers or excipients, including, but not limited to, binders, fillers, diluents, disintegrants, wetting agents, lubricants, glidants, coloring agents, dye-migration inhibitors, sweetening agents, and flavoring agents.
  • pharmaceutically acceptable carriers or excipients including, but not limited to, binders, fillers, diluents, disintegrants, wetting agents, lubricants, glidants, coloring agents, dye-migration inhibitors, sweetening agents, and flavoring agents.
  • compositions comprising a cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein), and optionally a permeation enhancer, wherein the formulations and compositions are prepared for oral administration.
  • the formulations and compositions are prepared for release of the cytidine analog substantially in the stomach.
  • the cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein
  • the pharmaceutical formulation and composition are used for treating, preventing, or managing diseases and disorders associated with abnormal cell proliferation, for example, a solid tumor
  • the cytidine analog, the formulation and composition are prepared for oral administration, preferably for release of the cytidine analog substantially in the stomach.
  • Particular embodiments relate to the use of one or more cytidine analogs (e.g., 5-azacytidine or another cytidine analog provided herein) for the preparation of pharmaceutical formulations and compositions for treating particular medical indications, as provided herein.
  • compositions comprising a cytidine analog are intended for oral delivery of the cytidine analog in subjects in need thereof.
  • Oral delivery formats include, but are not limited to, tablets, capsules, caplets, solutions, suspensions, and syrups, and may also comprise a plurality of granules, beads, powders or pellets that may or may not be encapsulated. Such formats may also be referred to herein as the "drug core" which contains the cytidine analog.
  • the formulation is a tablet comprising a cytidine analog. In certain embodiments, the formulation is a capsule comprising a cytidine analog. In certain embodiments, the tablets or capsules provided herein optionally comprise one or more excipients, such as, for example, glidants, diluents, lubricants, colorants, disintegrants, granulating agents, binding agents, polymers, and coating agents. In certain embodiments, the formulation is an immediate release tablet. In certain embodiments, the formulation is a controlled release tablet releasing the API, e.g., substantially in the stomach. In certain embodiments, the formulation is a hard gelatin capsule.
  • the formulation is a soft gelatin capsule.
  • the capsule is a hydroxypropyl methylcellulose (HPMC) capsule.
  • the formulation is an immediate release capsule.
  • the formulation is an immediate or controlled release capsule releasing the API, e.g., substantially in the stomach.
  • the formulation is a rapidly disintegrating tablet that dissolves substantially in the mouth following administration.
  • embodiments herein encompass the use of a cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) for the preparation of a pharmaceutical composition for treating a disease associated with abnormal cell proliferation, wherein the composition is prepared for oral administration.
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • the formulations comprising a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein, effect an immediate release of the API upon oral administration.
  • the formulations comprising a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein, comprise a therapeutically or prophylactically effective amount of the cytidine analog (and, optionally, one or more excipients) and effect an immediate release of the API upon oral administration.
  • the formulations comprising a cytidine analog effect a controlled release of the API substantially in the stomach upon oral administration.
  • the formulations comprising a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein, comprise a therapeutically or prophylactically effective amount of the cytidine analog and a drug release controlling component which is capable of releasing the cytidine analog substantially in the stomach.
  • matrices e.g., polymer matrices
  • coatings and/or shells may be employed in the formulation to control the release of the cytidine analog in the substantially in the stomach.
  • the formulations comprising a cytidine analog release the API substantially in the stomach upon oral administration.
  • the formulations effect an immediate release of the cytidine analog upon oral administration.
  • the formulations optionally further comprises a drug release controlling component, wherein the drug release controlling component is adjusted such that the release of the cytidine analog occurs substantially in the stomach.
  • the drug release controlling component is adjusted such that the release of the cytidine analog is immediate and occurs substantially in the stomach.
  • the drug release controlling component is adjusted such that the release of the cytidine analog is sustained and occurs substantially in the stomach.
  • the formulation of a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein, releases the API substantially in the stomach, and, subsequently, releases the remainder of the API in the intestine upon oral administration.
  • a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • a SC dose of the same cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • Particular embodiments provide oral formulations that achieve an exposure of at least about 5%, at least about 10%, at least about 15%, at least about 20%, at least about 25%), at least about 30%>, at least about 35%, at least about 40%>, at least about 45%, at least about 50%o, at least about 55%, at least about 60%>, at least about 65%, at least about 70%, at least about 75%, at least about 80%, at least about 85%, at least about 90%, at least about 95%o, or about 100%), as compared to a SC dose.
  • the formulation e.g., immediate release oral formulation and/or formulation that release the API substantially in the stomach
  • a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein
  • the cytidine analog in the formulation is absorbed substantially in the stomach, and becomes available to the body through systemic exposure.
  • the oral bioavailability of a formulation comprising a cytidine analog provided herein is, e.g., greater than about 1%, greater than about 5%, greater than about 10%, greater than about 15%, greater than about 20%, greater than about 25%, greater than about 30%, greater than about 35%, greater than about 40%, greater than about 45%o, greater than about 50%, greater than about 55%, greater than about 60%, greater than about 65%, greater than about 70%, greater than about 75%, greater than about 80%, greater than about 85%, greater than about 90%>, greater than about 95%, or about 100%, of the total amount of the cytidine analog in the formulation.
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • a particular AUC value e.g. , AUC(O-t) or AUC(0- ⁇ )
  • subject e.g., human
  • Particular embodiments provide oral formulations that achieve an AUC value of at least about 25 ng-hr/mL, at least about 50 ng-hr/mL, at least about 75 ng-hr/mL, at least about 100 ng-hr/mL, at least about 150 ng-hr/mL, at least about 200 ng-hr/mL, at least about 250 ng-hr/mL, at least about 300 ng-hr/mL, at least about 350 ng-hr/mL, at least about 400 ng- hr/mL, at least about 450 ng-hr/mL, at least about 500 ng-hr/mL, at least about 550 ng- hr/mL, at least about 600 ng-hr/mL, at least about 650 ng-hr/mL, at least about 700 ng- hr/mL, at least about 750 ng-hr/mL, at least about 800 ng-hr/mL
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • Cmax maximum plasma concentration
  • Particular embodiments provide oral formulations that achieve a Cmax of the cytidine analog of at least about 25 ng/mL, at least about 50 ng/mL, at least about 75 ng/mL, at least about 100 ng/mL, at least about 150 ng/mL, at least about 200 ng/mL, at least about 250 ng/mL, at least about 300 ng/mL, at least about 350 ng/mL, at least about 400 ng/mL, at least about 450 ng/mL, at least about 500 ng/mL, at least about 550 ng/mL, at least about 600 ng/mL, at least about 650 ng/mL, at least about 700 ng/mL, at least about 750 ng/mL, at least about 800 ng/mL, at least about 850 ng/mL, at least about 900 ng/mL, at least about 950 ng/mL, at least about 1000 ng/mL, at least about 1 100
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • Tmax time to maximum plasma concentration
  • Particular embodiments provide oral formulations that achieve a Tmax of the cytidine analog of less than about 10 min., less than about 15 min., less than about 20 min., less than about 25 min., less than about 30 min., less than about 35 min., less than about 40 min., less than about 45 min., less than about 50 min., less than about 55 min., less than about 60 min., less than about 65 min., less than about 70 min., less than about 75 min., less than about 80 min., less than about 85 min., less than about 90 min., less than about 95 min., less than about 100 min., less than about 105 min., less than about 1 10 min., less than about 1 15 min., less than about 120 min., less than about 130 min., less than about 140 min., less than about 150 min., less than about 160 min., less than about 170 min., less than about 180 min., less than about 190 min., less than about 200 min., less than about 210 min., less than
  • the Tmax value is measured from the time at which the formulation is orally administered.
  • Particular embodiments herein provide oral dosage forms comprising a cytidine analog, wherein the oral dosage forms have an enteric coating.
  • Particular embodiments provide a permeable or partly permeable (e.g., "leaky") enteric coating with pores.
  • the permeable or partly permeable enteric-coated tablet releases the 5-azacytidine in an immediate release manner substantially in the stomach.
  • dosage forms designed to maximize the absorption and/or efficacious delivery of certain cytidine analogs, e.g., 5-azacytidine or other cytidine analogs provided herein, upon oral administration, e.g., for release substantially in the stomach.
  • certain embodiments herein provide a solid oral dosage form of a cytidine analog, such as, for example, 5-azacytidine or another cytidine analog provided herein, using pharmaceutical excipients designed for immediate release of the API upon oral administration, e.g. , substantially in the stomach.
  • Particular immediate release formulations comprise a specific amount of a cytidine analog and optionally one or more excipients.
  • the formulation may be an immediate release tablet or an immediate release capsule (such as, e.g., an HPMC capsule).
  • formulations provided herein comprising a cytidine analog provided herein (e.g., immediate release oral formulations and/or formulations that release the API substantially in the stomach).
  • the formulations provided herein may be prepared using conventional methods known to those skilled in the field of pharmaceutical formulation, as described, e.g., in pertinent textbooks. See, e.g., REMINGTON, THE SCIENCE AND PRACTICE OF
  • formulations provided herein e.g., immediate release oral formulations, formulations that release the API substantially in the stomach, or rapidly disintegrating formulations that dissolve substantially in the mouth
  • a cytidine analog such as, for example, 5-azacytidine or another cytidine analog provided herein, in a specific amount.
  • the specific amount of the cytidine analog in the formulation is, e.g., about 10 mg, about 15 mg, about 20 mg, about 25 mg, about 30 mg, about 35 mg, about 40 mg, about 45 mg, about 50 mg, about 55 mg, about 60 mg, about 65 mg, about 70 mg, about 75 mg, about 80 mg, about 85 mg, about 90 mg, about 95 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, least about 240 mg, about 250 mg, about 260 mg, about 280 mg, about 300 mg, about 320 mg, about 340 mg, about 350 mg, about 360 mg, about 380 mg, about 400 mg, about 420 mg, about 440 mg, about 450 mg, about 460 mg, about 480 mg, about 500 mg, about 600 mg, about 700 mg, about 800 mg, about 900 mg, about 1000 mg, about 1100 mg, about 1200 mg, about 1300 mg, about 1400 mg, about 1500
  • the specific amount of the cytidine analog in the formulation is, e.g., at least about 10 mg, at least about 20 mg, at least about 40 mg, at least about 60 mg, at least about 80 mg, at least about 100 mg, at least about 120 mg, at least about 140 mg, at least about 160 mg, at least about 180 mg, at least about 200 mg, at least about 220 mg, at least about 240 mg, at least about 250 mg, at least about 260 mg, at least about 280 mg, at least about 300 mg, at least about 320 mg, at least about 340 mg, at least about 350 mg, at least about 360 mg, at least about 380 mg, at least about 400 mg, at least about 420 mg, at least about 440 mg, at least about 450 mg, at least about 460 mg, at least about 480 mg, at least about 500 mg, at least about 550 mg, at least about 600 mg, at least about 650 mg, at least about 700 mg, at least about 750 mg, at least about 800 mg, at least about
  • the formulation is a tablet, wherein the tablet is manufactured using standard, art-recognized tablet processing procedures and equipment.
  • the method for forming the tablets is direct compression of a powdered, crystalline and/or granular composition comprising the cytidine analog, alone or in combination with one or more excipients, such as, for example, carriers, additives, polymers, or the like.
  • the tablets may be prepared using wet granulation or dry granulation processes.
  • the tablets are molded rather than compressed, starting with a moist or otherwise tractable material.
  • compression and granulation techniques are used.
  • the formulation is a capsule, wherein the capsules may be manufactured using standard, art-recognized capsule processing procedures and equipments.
  • soft gelatin capsules may be prepared in which the capsules contain a mixture of the cytidine analog and vegetable oil or nonaqueous, water miscible materials such as, for example, polyethylene glycol and the like.
  • hard gelatin capsules may be prepared containing granules of the cytidine analog in combination with a solid pulverulent carrier, such as, for example, lactose, saccharose, sorbitol, mannitol, potato starch, corn starch, amylopectin, cellulose derivatives, or gelatin.
  • a hard gelatin capsule shell may be prepared from a capsule composition comprising gelatin and a small amount of plasticizer such as glycerol.
  • the capsule shell may be made of a carbohydrate material.
  • the capsule composition may additionally include polymers, colorings, flavorings and opacifiers as required.
  • the capsule comprises HPMC.
  • the formulation of the cytidine analog is prepared using aqueous solvents without causing significant hydrolytic degradation of the cytidine analog.
  • the formulation of the cytidine analog such as, for example, 5- azacytidine or another cytidine analog provided herein, is a tablet which contains a coating applied to the drug core using aqueous solvents without causing significant hydrolytic degradation of the cytidine analog in the formulation.
  • water is employed as the solvent for coating the drug core.
  • the oral dosage form of the cytidine analog is a tablet containing a film coat applied to the drug core using aqueous solvents.
  • water is employed as the solvent for film- coating.
  • the tablet containing the cytidine analog is film-coated using aqueous solvents without effecting degradation of the pharmaceutical composition.
  • water is used as the film coating solvent without effecting degradation of the pharmaceutical composition.
  • an oral dosage form comprising 5-azacytidine and an aqueous film coating effects immediate drug release upon oral delivery.
  • the oral dosage form comprising 5- azacytidine and an aqueous film coating effects controlled drug release to the upper gastrointestinal tract, e.g., the stomach, upon oral administration.
  • the upper gastrointestinal tract e.g., the stomach
  • a tablet with an aqueous-based film coating comprises 5-azacytidine as the API.
  • a controlled release pharmaceutical formulation for oral administration of a cytidine analog that releases the cytidine analog substantially in the stomach comprising: a) a specific amount of a cytidine analog; b) a drug release controlling component for controlling the release of the cytidine analog substantially in the upper gastrointestinal tract, e.g., the stomach; and c) optionally one or more excipients.
  • the oral dosage form comprising the cytidine analog is prepared as a controlled release tablet or capsule which includes a drug core comprising the pharmaceutical composition and optional excipients.
  • a "seal coat" or "shell” is applied.
  • a formulation provided herein comprising a cytidine analog provided herein is a controlled release tablet or capsule, which comprises a therapeutically effective amount of the cytidine analog, a drug release controlling component that controls the release of the cytidine analog substantially in the stomach upon oral administration, and optionally, one or more excipients.
  • a drug release controlling component that is a polymer matrix, which swells upon exposure to gastric fluid to effect the gastric retention of the formulation and the sustained release of the cytidine analog from the polymer matrix substantially in the stomach.
  • such formulations may be prepared by incorporating the cytidine analog into a suitable polymeric matrix during formulation. Examples of such formulations are known in the art. See, e.g., Shell et al, U.S. Patent Publication No. 2002/0051820 (Application No. 09/990,061); Shell et al, U.S. Patent Publication No. 2003/0039688 (Application No. 10/045,823); Gusler et al., U.S. Patent Publication No. 2003/0104053 (Application No. 10/029,134), each of which is incorporated herein by reference in its entirety.
  • the drug release controlling component may comprise a shell surrounding the drug-containing core, wherein the shell releases the cytidine analog from the core by, e.g. , permitting diffusion of the cytidine analog from the core and promoting gastric retention of the formulation by swelling upon exposure to gastric fluids to a size that is retained in the stomach.
  • such formulations may be prepared by first compressing a mixture of the cytidine analog and one or more excipients to form a drug core, and compressing another powdered mixture over the drug core to form the shell, or enclosing the drug core with a capsule shell made of suitable materials. Examples of such formulations are known in the art. See, e.g., Berner et al., U.S. Patent Publication No. 2003/0104062 Application No. 10/213,823), incorporated herein by reference in its entirety.
  • the oral dosage form of the cytidine analog is a tablet that contains a permeable or partly permeable ⁇ e.g., "leaky") enteric coating with pores.
  • the permeable or partly permeable enteric-coated tablet controls the release of the cytidine analog from the tablet primarily to the upper gastrointestinal tract, e.g., the stomach.
  • the permeable or partly permeable enteric- coated tablet comprises 5-azacytidine.
  • the remainder of the cytidine analog is subsequently released beyond the stomach ⁇ e.g., in the intestine).
  • the pharmaceutical formulation provided herein is a compressed tablet comprising a cytidine analog.
  • the tablet optionally comprises one or more excipients, including (a) diluents or fillers, which may add necessary bulk to a formulation to prepare tablets of the desired size; (b) binders or adhesives, which may promote adhesion of the particles of the formulation, enabling a granulation to be prepared and maintaining the integrity of the final tablet; (c) disintegrants or disintegrating agents, which, after administration, may promote breakup of the tablets to smaller particles for improved drug availability; (d) anti-adherents, glidants, lubricants or lubricating agents, which may enhance flow of the tableting material into the tablet dies, minimize wear of the punches and dies, prevent the sticking of fill material to the punches and dies, and produce tablets having a sheen; and (e) miscellaneous adjuncts such as colorants and flavorants.
  • excipients including (a) diluents or fill
  • the pharmaceutical formulation provided herein is a multiple compressed tablet of a cytidine analog.
  • Multiple compressed tablets are prepared by subjecting the fill material to more than a single compression.
  • the result may be a multiple-layered tablet or a tablet-within-a-tablet, the inner tablet being the core comprising a cytidine analog and optionally one or more excipients, and the outer portion being the shell, wherein the shell comprises one or more excipients, and may or may not contain the cytidine analog.
  • Layered tablets may be prepared by the initial compaction of a portion of fill material in a die followed by additional fill material and compression to form two- or three-layered tablets, depending upon the number of separate fills.
  • Each layer may contain a different therapeutic agent, separate from one another for reasons of chemical or physical incompatibility, or the same therapeutic agent for staged drug release, or simply for the unique appearance of the multiple-layered tablet.
  • Each portion of fill may be colored differently to prepare a distinctive looking tablet. In the preparation of tablets having a compressed tablet as the inner core, special machines may be used to place the preformed tablet precisely within the die for the subsequent compression of surrounding fill material.
  • the compressed tablet of a cytidine analog may be coated with a colored or an uncolored sugar layer.
  • the coating may be water-soluble and quickly dissolved after oral ingestion.
  • the sugar coating may serve the purpose of protecting the enclosed drug from the environment and providing a barrier to an
  • sugar-coated tablets may be 50% larger and heavier than the original uncoated tablets.
  • the sugar-coating of tablets may be divided into the following optional steps: (1) waterproofing and sealing (if needed); (2) sub-coating; (3) smoothing and final rounding; (4) finishing and coloring (if desired); (5) imprinting (if needed); and (6) polishing.
  • the compressed tablet of a cytidine analog may be film-coated.
  • Film-coated tablets may be compressed tablets coated with a thin layer of a polymer capable of forming a skin-like film over the tablet.
  • the film is usually colored and has the advantage to be more durable, less bulky, and less time-consuming to apply.
  • the coating may be designed to rupture and expose the core tablet at the desired location within the gastrointestinal tract.
  • the film-coating process which places a thin skin-tight coating of a plastic-like material over the compressed tablet, may produce coated tablets having essentially the same weight, shape, and size as the originally compressed tablet.
  • the film-coating may be colored to make the tablets attractive and distinctive.
  • Film-coating solutions may be non-aqueous or aqueous.
  • the non-aqueous solutions may optionally contain one or more of the following types of materials to provide the desired coating to the tablets: (1) a film former capable of producing smooth, thin films reproducible under conventional coating conditions and applicable to a variety of tablet shapes, such as, for example, cellulose acetate phthalate; (2) an alloying substance providing water solubility or permeability to the film to ensure penetration by body fluids and therapeutic availability of the drug, such as, for example, polyethylene glycol; (3) a plasticizer to produce flexibility and elasticity of the coating and thus provide durability, such as, for example, castor oil; (4) a surfactant to enhance spreadability of the film during application, such as, for example, polyoxyethylene sorbitan derivatives; (5) opaquants and colorants to make the appearance of the coated tablets attractive and distinctive, such as, for example, titanium dioxide as an opaquant, and FD&C or D&C dyes as a colorant; (6) sweeteners, flavors, or aromas to enhance the acceptability of the tablets: (1)
  • an aqueous film-coating formulation may contain one or more of the following: (1) film-forming polymer, such as, for example, cellulose ether polymers as hydroxypropyl methyl-cellulose, hydroxypropyl cellulose, and methyl-cellulose; (2) plasticizer, such as, for example, glycerin, propylene glycol, polyethylene glycol, diethyl phthalate, and dibutyl subacetate; (3) colorant and opacifier, such as, for example, FD&C or D&C lakes and iron oxide pigments; or (4) vehicle, such as, for example, water.
  • film-forming polymer such as, for example, cellulose ether polymers as hydroxypropyl methyl-cellulose, hydroxypropyl cellulose, and methyl-cellulose
  • plasticizer such as, for example, glycerin, propylene glycol, polyethylene glycol, diethyl phthalate, and dibutyl subacetate
  • colorant and opacifier such as, for example, FD&
  • the compressed tablet of a cytidine analog may be compression-coated.
  • the coating material in the form of a granulation or powder, may be compressed onto a tablet core of drug with a special tablet press.
  • the pharmaceutical formulation is a gelatin- coated tablet comprising a cytidine analog.
  • a gelatin-coated tablet is a capsule-shaped compressed tablet that allows the coated product to be smaller than a capsule filled with an equivalent amount of powder. The gelatin coating facilitates swallowing and compared to unsealed capsules, gelatin-coated tablets may be more tamper-evident.
  • the pharmaceutical formulation may be a sublingual tablet of a cytidine analog.
  • the sublingual tablet is intended to be dissolved beneath the tongue for absorption through the oral mucosa.
  • the sublingual tablet may dissolve promptly and provide rapid release of the drug.
  • the pharmaceutical formulation is an immediate release tablet of a cytidine analog.
  • the immediate release tablet is designed, e.g., to disintegrate and release the API absent of any special rate-controlling features, such as special coatings and other techniques.
  • the formulation is a rapidly disintegrating tablet that, e.g., dissolves substantially in the mouth following administration.
  • the pharmaceutical formulation is an extended release tablet of a cytidine analog.
  • the extended release tablet is designed, e.g., to release the API over an extended period of time and substantially in the stomach.
  • compressed tablets may be prepared by wet granulation.
  • Wet granulation is a widely employed method for the production of compressed tablets, and, in particular embodiments, requires one or more the following steps: (1) weighing and blending the ingredients; (2) preparing a damp mass; (3) screening the damp mass into pellets or granules; (4) drying the granulation; (5) sizing the granulation by dry screening; (6) adding lubricant and blending; and (7) tableting by compression.
  • compressed tablets may be prepared by dry granulation.
  • dry granulation method the powder mixture is compacted in large pieces and subsequently broken down or sized into granules. But this method, either the active ingredient or the diluent has cohesive property.
  • the powder mixture may be slugged or compressed into large flat tablets or pellets. The slugs then are broken up by hand or by a mill and passed through a screen of desired mesh for sizing. Lubricant is added in the usual manner, and tablets are prepared by compression.
  • powder compactors may be used to increase the density of a powder by pressing it between high-pressure rollers.
  • roller compaction method is often preferred over slugging.
  • Binding agents used in roller compaction formulations include methylcellulose or hydroxyl-methylcellulose and can produce good tablet hardness and friability.
  • compressed tablets may be prepared by direct compression. Some granular chemicals possess free flowing and cohesive properties that enable them to be compressed directly in a tablet machine without the need of wet or dry granulation. For chemicals that do not possess this quality, special pharmaceutical excipients may be used which impart the necessary qualities for the production of tablets by direct compression. Particular tableting excipients include, e.g. : fillers, such as spray-dried lactose, micro-crystals of alpha-monohydrate lactose, sucrose-invert sugar-corn starch mixtures, micro-crystalline cellulose, crystalline maltose, and di-calcium phosphate;
  • disintegrating agents such as direct-compression starch, sodium carboxymethyl starch, cross-linked carboxymethylcellulose fibers, and cross-linked polyvinylpyrrolidone;
  • lubricants such as magnesium searate and talc
  • glidants such as fumed silicon dioxide
  • tablets provided herein may be prepared by molding.
  • the base for molded tablets is generally a mixture of finely powdered lactose with or without a portion of powdered sucrose.
  • the drug is mixed uniformly with the base by geometric dilution.
  • the powder mixture may be wetted with a mixture of water and alcohol sufficient only to dampen the powder so that it may be compacted.
  • the solvent action of the water on a portion of the lactose/sucrose base effects the biding of the powder mixture upon drying.
  • the alcohol portion hastens the drying process.
  • the pharmaceutical formulations provided herein contain a cytidine analog and, optionally, one or more excipients to form a "drug core.”
  • excipients include, e.g., diluents (bulking agents), lubricants, disintegrants, fillers, stabilizers, surfactants, preservatives, coloring agents, flavoring agents, binding agents, excipient supports, glidants, permeation enhancement excipients, plasticizers and the like, e.g., as known in the art. It will be understood by those in the art that some substances serve more than one purpose in a pharmaceutical composition.
  • some substances are binders that help hold a tablet together after compression, yet are also disintegrants that help break the tablet apart once it reaches the target delivery site. Selection of excipients and amounts to use may be readily determined by the formulation scientist based upon experience and consideration of standard procedures and reference works available in the art.
  • formulations provided herein comprise one or more binders.
  • Binders may be used, e.g., to impart cohesive qualities to a tablet, and thus ensure that the tablet remains intact after compression.
  • Suitable binders include, but are not limited to, starch (including corn starch and pregelatinized starch), gelatin, sugars (including sucrose, glucose, dextrose and lactose), polyethylene glycol, propylene glycol, waxes, and natural and synthetic gums, e.g., acacia sodium alginate, polyvinylpyrrolidone, cellulosic polymers (including hydroxypropyl cellulose, hydroxypropylmethylcellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose and the like), veegum, carbomer ⁇ e.g., carbopol), sodium, dextrin, guar gum, hydrogenated vegetable oil, magnesium aluminum silicate, maltodextr
  • Binding agents also include, e.g., acacia, agar, alginic acid, cabomers, carrageenan, cellulose acetate phthalate, ceratonia, chitosan, confectioner's sugar, copovidone, dextrates, dextrin, dextrose, ethylcellulose, gelatin, glyceryl behenate, guar gum, hydroxyethyl cellulose,
  • hypromellose inulin, lactose, magnesium aluminum silicate, maltodextrin, maltose, methylcellulose, poloxamer, polycarbophil, polydextrose, polyethylene oxide,
  • the binding agent can be, relative to the drug core, in the amount of about 2% w/w of the drug core; about 4% w/w of the drug core, about 6% w/w of the drug core, about 8% w/w of the drug core, about 10% w/w of the drug core, about 12% w/w of the drug core, about 14% w/w of the drug core, about 16% w/w of the drug core, about 18% w/w of the drug core, about 20% w/w of the drug core, about 22%) w/w of the drug core, about 24% w/w of the drug core, about 26% w/w of the drug core, about 28% w/w of the drug core, about 30% w/w of the drug core, about 32% w/w of the drug core, about 34% w/w/
  • formulations provided herein comprise one or more diluents.
  • Diluents may be used, e.g., to increase bulk so that a practical size tablet is ultimately provided.
  • Suitable diluents include dicalcium phosphate, calcium sulfate, lactose, cellulose, kaolin, mannitol, sodium chloride, dry starch, microcrystalline cellulose ⁇ e.g., AVICEL), microfme cellulose, pregelitinized starch, calcium carbonate, calcium sulfate, sugar, dextrates, dextrin, dextrose, dibasic calcium phosphate dihydrate, tribasic calcium phosphate, kaolin, magnesium carbonate, magnesium oxide, maltodextrin, mannitol, polymethacrylates ⁇ e.g., EUDRAGIT), potassium chloride, sodium chloride, sorbitol and talc, among others.
  • Diluents also include, e.g., ammonium alginate, calcium carbonate, calcium phosphate, calcium sulfate, cellulose acetate, compressible sugar, confectioner's sugar, dextrates, dextrin, dextrose, erythritol, ethylcellulose, fructose, fumaric acid, glyceryl palmitostearate, isomalt, kaolin, lacitol, lactose, mannitol,
  • magnesium carbonate magnesium oxide, maltodextrin, maltose, medium-chain
  • triglycerides microcrystalline cellulose, microcrystalline silicified cellulose, powered cellulose, polydextrose, polymethylacrylates, simethicone, sodium alginate, sodium chloride, sorbitol, starch, pregelatinized starch, sucrose, sulfobutylether- -cyclodextrin, talc, tragacanth, trehalose, and xylitol.
  • Diluents may be used in amounts calculated to obtain a desired volume for a tablet or capsule; in certain embodiments, a diluent is used in an amount of about 5% or more, about 10% or more, about 15% or more, about 20% or more, about 22%) or more, about 24% or more, about 26% or more, about 28% or more, about 30%) or more, about 32% or more, about 34% or more, about 36% or more, about 38% or more, about 40% or more, about 42% or more, about 44% or more, about 46% or more, about 48%) or more, about 50% or more, about 52% or more, about 54% or more, about 56%) or more, about 58% or more, about 60% or more, about 62% or more, about 64% or more, about 68% or more, about 70% or more, about 72% or more, about 74% or more, about 76%) or more, about 78% or more, about 80% or more, about 85% or more, about 90%) or more, or about 95% or more, weight
  • formulations provided herein comprise one or more lubricants.
  • Lubricants may be used, e.g., to facilitate tablet manufacture; examples of suitable lubricants include, for example, vegetable oils such as peanut oil, cottonseed oil, sesame oil, olive oil, corn oil, and oil of theobroma, glycerin, magnesium stearate, calcium stearate, and stearic acid.
  • stearates if present, represent no more than approximately 2 weight % of the drug-containing core.
  • lubricants include, e.g., calcium stearate, glycerin monostearate, glyceryl behenate, glyceryl palmitostearate, magnesium lauryl sulfate, magnesium stearate, myristic acid, palmitic acid, poloxamer, polyethylene glycol, potassium benzoate, sodium benzoate, sodium chloride, sodium lauryl sulfate, sodium stearyl fumarate, stearic acid, talc, and zinc stearate.
  • the lubricant is magnesium stearate.
  • the lubricant is present, relative to the drug core, in an amount of about 0.2% w/w of the drug core, about 0.4% w/w of the drug core, about 0.6%> w/w of the drug core, about 0.8%> w/w of the drug core, about 1.0%> w/w of the drug core, about 1.2% w/w of the drug core, about 1.4%) w/w of the drug core, about 1.6% w/w of the drug core, about 1.8%) w/w of the drug core, about 2.0% w/w of the drug core, about 2.2% w/w of the drug core, about 2.4% w/w of the drug core, about 2.6% w/w of the drug core, about 2.8% w/w of the drug core, about 3.0%) w/w of the drug core, about 3.5% w/w of the drug core, about 4% w/w of the drug core, about 4.5% w/w of the drug core, about 5% w/w of the drug core, about
  • formulations provided herein comprise one or more disintegrants.
  • Disintegrants may be used, e.g., to facilitate disintegration of the tablet, and may be, e.g., starches, clays, celluloses, algins, gums or crosslinked polymers.
  • Disintegrants also include, e.g., alginic acid, carboxymethylcellulose calcium,
  • carboxymethylcellulose sodium e.g., AC-DI-SOL, PRIMELLOSE
  • colloidal silicon dioxide croscarmellose sodium
  • crospovidone e.g., KOLLIDON, POLYPLASDONE
  • guar gum magnesium aluminum silicate, methyl cellulose, microcrystalline cellulose, polacrilin potassium, powdered cellulose, pregelatinized starch, sodium alginate, sodium starch glycolate (e.g. , EXPLOTAB) and starch.
  • Additional disintegrants include, e.g. , calcium alginate, chitosan, sodium docusate, hydroxypropyl cellulose, and povidone.
  • the disintegrant is, relative to the drug core, present in the amount of about 1%) w/w of the drug core, about 2% w/w of the drug core, about 3% w/w of the drug core, about 4% w/w of the drug core, about 5% w/w of the drug core, about 6% w/w of the drug core, about 7% w/w of the drug core, about 8% w/w of the drug core, about 9% w/w of the drug core, about 10% w/w of the drug core, about 12% w/w of the drug core, about 14% w/w of the drug core, about 16% w/w of the drug core, about 18% w/w of the drug core, about 20%) w/w of the drug core, about 22% w/w of the drug core, about 24% w/w of the drug core, about 26% w/w of the drug core, about 28% w/w of the drug core, about 30% w/w/w of the
  • formulations provided herein comprise one or more stabilizers.
  • Stabilizers also called absorption enhancers
  • Stabilizing agents include, e.g., d-Alpha-tocopheryl polyethylene glycol 1000 succinate (Vitamin E TPGS), acacia, albumin, alginic acid, aluminum stearate, ammonium alginate, ascorbic acid, ascorbyl palmitate, bentonite, butylated hydroxytoluene, calcium alginate, calcium stearate, calcium carboxymethylcellulose, carrageenan, ceratonia, colloidal silicon dioxide, cyclodextrins, diethanolamine, edetates, ethylcellulose, ethyleneglycol
  • palmitostearate glycerin monostearate, guar gum, hydroxypropyl cellulose, hypromellose, invert sugar, lecithin, magnesium aluminum silicate, monoethanolamine, pectin, poloxamer, polyvinyl alcohol, potassium alginate, potassium polacrilin, povidone, propyl gallate, propylene glycol, propylene glycol alginate, raffmose, sodium acetate, sodium alginate, sodium borate, sodium carboxymethyl cellulose, sodium stearyl fumarate, sorbitol, stearyl alcohol, sufobutyl-b-cyclodextrin, trehalose, white wax, xanthan gum, xylitol, yellow wax, and zinc acetate.
  • the stabilizer is, relative to the drug core, present in the amount of about 1% w/w of the drug core, about 2% w/w of the drug core, about 3% w/w of the drug core, about 4% w/w of the drug core, about 5% w/w of the drug core, about 6%) w/w of the drug core, about 7% w/w of the drug core, about 8% w/w of the drug core, about 9%) w/w of the drug core, about 10% w/w of the drug core, about 12% w/w of the drug core, about 14% w/w of the drug core, about 16% w/w of the drug core, about 18% w/w of the drug core, about 20% w/w of the drug core, about 22% w/w of the drug core, about 24%o w/w of the drug core, about 26% w/w of the drug core, about 28% w/w of the drug core, about 30% w/
  • formulations provided herein comprise one or more glidants.
  • Glidants may be used, e.g., to improve the flow properties of a powder composition or granulate or to improve the accuracy of dosing.
  • Excipients that may function as glidants include, e.g., colloidal silicon dioxide, magnesium trisilicate, powdered cellulose, starch, tribasic calcium phosphate, calcium silicate, powdered cellulose, colloidal silicon dioxide, magnesium silicate, magnesium trisilicate, silicon dioxide, starch, tribasic calcium phosphate, and talc.
  • the glidant is, relative to the drug core, present in the amount of less than about 1% w/w of the drug core, about 1% w/w of the drug core, about 2% w/w of the drug core, about 3% w/w of the drug core, about 4% w/w of the drug core, about 5% w/w of the drug core, about 6% w/w of the drug core, about 7%) w/w of the drug core, about 8% w/w of the drug core, about 9% w/w of the drug core, about 10%) w/w of the drug core, about 12% w/w of the drug core, about 14% w/w of the drug core, about 16% w/w of the drug core, about 18% w/w of the drug core, about 20% w/w of the drug core, about 22% w/w of the drug core, about 24% w/w of the drug core, about 26%o w/w of the drug core, about
  • formulations provided herein comprise one or more complexing agents.
  • the complexing agents include, but are not limited to, cyclodextrins, including a-cyclodextrin, ⁇ -cyclodextrin, hydroxypropyl- ⁇ - cyclodextrin, sulfobutylether- -cyclodextrin, and sulfobutylether 7- -cyclodextrin
  • formulations provided herein comprise one or more permeation enhancers (also called, e.g., permeability enhancers).
  • the permeation enhancer enhances the uptake of a cytidine analog through the gastrointestinal wall (e.g., the stomach).
  • the permeation enhancer alters the rate and/or amount of the cytidine analog that enters the bloodstream.
  • d-alpha-tocopheryl polyethylene glycol- 1000 succinate (Vitamin E TPGS) is used as a permeation enhancer.
  • one or more other suitable permeation enhancers are used, including, e.g. , any permeation enhancer known in the art. Specific examples of suitable permeation enhancers include, e.g., those listed below:
  • Other potential permeation enhancers include, e.g., alcohols, dimethyl sulfoxide, glyceryl monooleate, glycofurol, isopropyl myristate, isopropyl palmitate, lanolin, linoleic acid, myristic acid, oleic acid, oleyl alcohol, palmitic acid, polyoxyethylene alkyl ethers, 2-pyrrolidone, sodium lauryl sulfate, and thymol.
  • alcohols dimethyl sulfoxide, glyceryl monooleate, glycofurol, isopropyl myristate, isopropyl palmitate, lanolin, linoleic acid, myristic acid, oleic acid, oleyl alcohol, palmitic acid, polyoxyethylene alkyl ethers, 2-pyrrolidone, sodium lauryl sulfate, and thymol.
  • the permeation enhancer is present in the formulation in an amount by weight, relative to the total weight of the formulation, of about 0.1%, about 0.2%, about 0.3%, about 0.4%, about 0.5%, about 0.6%, about 0.7%, about 0.8%, about 0.9%, about 1%, about 1.1%, about 1.2%, about 1.3%, about 1.4%, about 1.5%, about 1.6%, about 1.7%, about 1.8%, about 1.9%, about 2%, about 2.1%, about 2.2%, about 2.3%, about 2.4%, about 2.5%, about 2.6%, about 2.7%, about 2.8%, about 2.9%, about 3%, about 3.1%), about 3.2%, about 3.3%, about 3.4%, about 3.5%, about 3.6%, about 3.7%, about 3.8%, about 3.9%, about 4%, about 4.1% about 4.2%, about 4.3%, about 4.4%, about 4.5%, about 4.6%, about 4.7%, about 4.8%, about 4.9%, about 5%, about 5.1% about 5.2%, about 5.3%), about 5.4%, about 5.5%, about 5.5%, about 0.1%, about
  • the appropriate amount of a suitable permeation enhancer provided herein is determined by one of skill in the art.
  • the permeation enhancers provided herein may function by, inter alia, facilitating ⁇ e.g., increasing the rate or extent of) the transport of a cytidine analog through the gastrointestinal wall.
  • movement through the gastrointestinal wall may occur by, e.g. : passive diffusion, such as the movement of drug across a membrane in a manner driven solely by the concentration gradient; carrier-mediated diffusion, such as the movement of drug across a cell membrane via a specialized transport system embedded in the cell membrane; paracellular diffusion, such as the movement of a drug across a membrane by going between, rather than through, two cells; and transcellular diffusion, such as the movement of a drug across the cell.
  • efflux pumps there are numerous cellular proteins capable of preventing intracellular accumulation of drugs by pumping out drug that enters the cell. These are sometimes called efflux pumps.
  • efflux pump is that involving p-glycoprotein, which is present in many different tissues in the body (e.g., intestine, placental membrane, blood-brain barrier).
  • Permeation enhancers can function by, inter alia, facilitating any of the processes mentioned above (such as by increasing fluidity of membranes, opening tight junctions between cells, and/or inhibiting efflux, among others).
  • compositions provided herein comprising a cytidine analog are essentially free of a cytidine deaminase inhibitor (e.g., do not comprise a cytidine deaminase inhibitor).
  • the compositions provided herein are essentially free of (e.g. , do not comprise) the cytidine deaminase inhibitor tetrahydrouridine (THU).
  • compositions comprising a therapeutically effective amount of a cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein), wherein the compositions release the cytidine analog substantially in the stomach following oral administration to a subject, and wherein the compositions are essentially free of (e.g., do not comprise) a cytidine deaminase inhibitor (e.g., THU).
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • THU a cytidine deaminase inhibitor
  • compositions release the cytidine analog substantially in the stomach following oral administration to a subject, wherein the compositions are essentially free of (e.g., do not comprise) a cytidine deaminase inhibitor (e.g., THU), and wherein the compositions achieve a particular biological parameter provided herein (e.g., a particular Cmax value, Tmax value, and/or AUC value provided herein).
  • a cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • THU cytidine deaminase inhibitor
  • a composition provided herein that is essentially free of a cytidine deaminase inhibitor comprises, e.g., less than 200 mg, less than 150 mg, less than 100 mg, less than 50 mg, less than 25 mg, less than 10 mg, less than 5 mg, less than 1 mg, or less than 0.1 mg of the cytidine deaminase inhibitor.
  • the pharmaceutical compositions provided herein may be provided as compressed tablets, tablet triturates, chewable lozenges, rapidly dissolving tablets, multiple compressed tablets, or enteric-coating tablets, sugar-coated, or film-coated tablets.
  • enteric-coated tablets are compressed tablets coated with substances that resist the action of stomach acid but dissolve or disintegrate in the intestine, thus protecting the active ingredients from the acidic environment of the stomach.
  • Enteric-coatings include, but are not limited to, fatty acids, fats, phenyl salicylate, waxes, shellac, ammoniated shellac, and cellulose acetate phthalates.
  • Sugar-coated tablets are compressed tablets surrounded by a sugar coating, which may be beneficial in covering up objectionable tastes or odors and in protecting the tablets from oxidation.
  • Film-coated tablets are compressed tablets that are covered with a thin layer or film of a water-soluble material.
  • Film coatings include, but are not limited to, hydroxyethylcellulose, sodium carboxymethylcellulose, polyethylene glycol 4000, and cellulose acetate phthalate. In one embodiment, film coating imparts the same general characteristics as sugar coating.
  • Multiple compressed tablets are compressed tablets made by more than one compression cycle, including layered tablets, and press-coated or dry-coated tablets.
  • the tablet dosage forms may be prepared from the active ingredient in powdered, crystalline, or granular forms, alone or in combination with one or more carriers or excipients described herein, including binders, disintegrants, controlled-release polymers, lubricants, diluents, and/or colorants. Flavoring and sweetening agents are useful in the formation of chewable tablets and lozenges.
  • the pharmaceutical compositions provided herein may be provided as soft or hard capsules, which can be made from gelatin, methylcellulose, starch, or calcium alginate.
  • the hard gelatin capsule also known as the dry-filled capsule (DFC)
  • DFC dry-filled capsule
  • the soft elastic capsule is a soft, globular shell, such as a gelatin shell, which is plasticized by the addition of glycerin, sorbitol, or a similar polyol.
  • the soft gelatin shells may contain a preservative to prevent the growth of microorganisms.
  • Suitable preservatives are those as described herein, including methyl- and propyl-parabens, and sorbic acid.
  • the liquid, semisolid, and solid dosage forms provided herein may be encapsulated in a capsule.
  • Suitable liquid and semisolid dosage forms include solutions and suspensions in propylene carbonate, vegetable oils, or triglycerides. Capsules containing such solutions can be prepared as described in U.S. Patent Nos. 4,328,245; 4,409,239; and 4,410,545.
  • the capsules may also be coated as known by those of skill in the art in order to modify or sustain dissolution of the active ingredient.
  • the pharmaceutical compositions provided herein may be provided in liquid and semisolid dosage forms, including emulsions, solutions, suspensions, elixirs, and syrups.
  • An emulsion is a two-phase system, in which one liquid is dispersed in the form of small globules throughout another liquid, which can be oil-in-water or water-in-oil.
  • Emulsions may include a pharmaceutically acceptable non-aqueous liquid or solvent, emulsifying agent, and preservative.
  • Suspensions may include a
  • Aqueous alcoholic solutions may include a pharmaceutically acceptable acetal, such as a di(lower alkyl) acetal of a lower alkyl aldehyde, e.g., acetaldehyde diethyl acetal; and a water-miscible solvent having one or more hydroxyl groups, such as propylene glycol and ethanol.
  • Elixirs are clear, sweetened, and hydroalcoholic solutions.
  • Syrups are concentrated aqueous solutions of a sugar, for example, sucrose, and may also contain a preservative.
  • a solution in a polyethylene glycol may be diluted with a sufficient quantity of a pharmaceutically acceptable liquid carrier, e.g. , water, to be measured conveniently for administration.
  • other useful liquid and semisolid dosage forms include, but are not limited to, those containing the active ingredient(s) provided herein, and a dialkylated mono- or poly-alkylene glycol, including, 1 ,2-dimethoxymethane, diglyme, triglyme, tetraglyme, polyethylene glycol-350-dimethyl ether, polyethylene glycol-550- dimethyl ether, polyethylene glycol-750-dimethyl ether, wherein 350, 550, and 750 refer to the approximate average molecular weight of the polyethylene glycol.
  • These formulations may further comprise one or more antioxidants, such as butylated hydroxytoluene (BHT), butylated hydroxyanisole (BHA), propyl gallate, vitamin E, hydroquinone,
  • the pharmaceutical compositions provided herein may be provided as non-effervescent or effervescent, granules and powders, to be reconstituted into a liquid dosage form.
  • Pharmaceutically acceptable carriers and excipients used in the non-effervescent granules or powders may include diluents, sweeteners, and wetting agents.
  • Pharmaceutically acceptable carriers and excipients used in the effervescent granules or powders may include organic acids and a source of carbon dioxide.
  • Coloring and flavoring agents can be used in the dosage forms provided herein.
  • compositions provided herein may be formulated as immediate or modified release dosage forms, including delayed-, sustained-, pulsed-, controlled-, targeted-, and programmed-release forms.
  • the pharmaceutical compositions provided herein may be co-formulated with other active ingredients which do not impair the desired therapeutic action, or with substances that supplement the desired action.
  • active ingredients provided herein can be any active ingredients provided herein.
  • dosage forms can be used to provide slow or controlled-release of one or more active ingredients using, for example,
  • hydropropylmethyl cellulose other polymer matrices, gels, permeable membranes, osmotic systems, multilayer coatings, microparticles, liposomes, microspheres, or a combination thereof to provide the desired release profile in varying proportions.
  • Suitable controlled- release formulations known to those of ordinary skill in the art, including those described herein, can be readily selected for use with the active agents provided herein.
  • provided are single unit dosage forms suitable for oral administration such as, but not limited to, tablets, capsules, gelcaps, and caplets that are adapted for controlled- release.
  • controlled-release pharmaceutical products improve drug therapy over that achieved by their non-controlled counterparts.
  • controlled-release pharmaceutical products improve drug therapy over that achieved by their non-controlled counterparts.
  • the use of a controlled-release preparation in medical treatment is
  • controlled-release formulations characterized by a minimum of drug substance being employed to cure or control the condition in a minimum amount of time.
  • Advantages of controlled-release formulations include extended activity of the drug, reduced dosage frequency, and increased patient compliance.
  • controlled-release formulations can be used to affect the time of onset of action or other characteristics, such as blood levels of the drug, and can thus affect the occurrence of side (e.g., adverse) effects.
  • the controlled-release formulations are designed to initially release an amount of drug (active ingredient) that promptly produces the desired therapeutic or prophylactic effect, and gradually and continually release of other amounts of drug to maintain this level of therapeutic or prophylactic effect over an extended period of time.
  • the drug in order to maintain a constant level of drug in the body, the drug can be released from the dosage form at a rate that will replace the amount of drug being metabolized and excreted from the body.
  • Controlled-release of an active ingredient can be stimulated by various conditions including, but not limited to, pH, temperature, enzymes, water, or other physiological conditions or compounds.
  • compositions provided herein may be administered parenterally by injection, infusion, or implantation, for local or systemic administration.
  • Parenteral administration include intravenous, intraarterial, intraperitoneal, intrathecal, intraventricular, intraurethral, intrasternal, intracranial, intramuscular, intrasynovial, and subcutaneous administration.
  • the pharmaceutical compositions provided herein may be formulated in dosage forms that are suitable for parenteral administration, including solutions, suspensions, emulsions, micelles, liposomes, microspheres, nanosystems, and solid forms suitable for solutions or suspensions in liquid prior to injection.
  • dosage forms can be prepared according to conventional methods known to those skilled in the art of pharmaceutical science (see, e.g., Remington, The Science and Practice of Pharmacy, supra).
  • the pharmaceutical compositions intended for parenteral administration may include one or more pharmaceutically acceptable carriers and excipients, including, but not limited to, aqueous vehicles, water-miscible vehicles, nonaqueous vehicles, antimicrobial agents or preservatives against the growth of
  • microorganisms such as, stabilizers, solubility enhancers, isotonic agents, buffering agents, antioxidants, local anesthetics, suspending and dispersing agents, wetting or emulsifying agents, complexing agents, sequestering or chelating agents, cryoprotectants, lyoprotectants, thickening agents, pH adjusting agents, and inert gases.
  • suitable aqueous vehicles include, but are not limited to, water, saline, physiological saline or phosphate buffered saline (PBS), sodium chloride injection, Ringers injection, isotonic dextrose injection, sterile water injection, dextrose and lactated Ringers injection.
  • Non-aqueous vehicles include, but are not limited to, fixed oils of vegetable origin, castor oil, corn oil, cottonseed oil, olive oil, peanut oil, peppermint oil, safflower oil, sesame oil, soybean oil, hydrogenated vegetable oils, hydrogenated soybean oil, and medium-chain triglycerides of coconut oil, and palm seed oil.
  • Water-miscible vehicles include, but are not limited to, ethanol, 1,3-butanediol, liquid polyethylene glycol (e.g., polyethylene glycol 300 and polyethylene glycol 400), propylene glycol, glycerin, N- methyl-2-pyrrolidone, N,N-dimethylacetamide, and dimethyl sulfoxide.
  • suitable antimicrobial agents or preservatives include, but are not limited to, phenols, cresols, mercurials, benzyl alcohol, chlorobutanol, methyl and propyl p-hydroxybenzoates, thimerosal, benzalkonium chloride (e.g., benzethonium chloride), methyl- and propyl-parabens, and sorbic acid.
  • Suitable isotonic agents include, but are not limited to, sodium chloride, glycerin, and dextrose.
  • Suitable buffering agents include, but are not limited to, phosphate and citrate.
  • Suitable antioxidants are those as described herein, including bisulfite and sodium metabisulfite.
  • Suitable local anesthetics include, but are not limited to, procaine hydrochloride.
  • Suitable suspending and dispersing agents are those as described herein, including sodium carboxymethylcelluose, hydroxypropyl methylcellulose, and polyvinylpyrrolidone.
  • Suitable emulsifying agents include those described herein, including polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate 80, and triethanolamine oleate.
  • Suitable sequestering or chelating agents include, but are not limited to EDTA.
  • Suitable pH adjusting agents include, but are not limited to, sodium hydroxide, hydrochloric acid, citric acid, and lactic acid.
  • Suitable complexing agents include, but are not limited to, cyclodextrins, including a- cyclodextrin, ⁇ -cyclodextrin, hydroxypropyl- -cyclodextrin, sulfobutylether- ⁇ - cyclodextrin, and sulfobutylether 7- -cyclodextrin (CAPTISOL ® , CyDex, Lenexa, KS).
  • cyclodextrins including a- cyclodextrin, ⁇ -cyclodextrin, hydroxypropyl- -cyclodextrin, sulfobutylether- ⁇ - cyclodextrin, and sulfobutylether 7- -cyclodextrin (CAPTISOL ® , CyDex, Lenexa, KS).
  • the pharmaceutical compositions provided herein may be formulated for single or multiple dosage administration.
  • the single dosage formulations are packaged in an ampoule, a vial, or a syringe.
  • the multiple dosage parenteral formulations may contain an antimicrobial agent at bacteriostatic or fungistatic concentrations. All parenteral formulations must be sterile, as known and practiced in the art.
  • the pharmaceutical compositions are provided as ready-to-use sterile solutions.
  • the pharmaceutical compositions are provided as sterile dry soluble products, including lyophilized powders and hypodermic tablets, to be reconstituted with a vehicle prior to use.
  • the pharmaceutical compositions are provided as ready-to-use sterile suspensions.
  • the pharmaceutical compositions are provided as sterile dry insoluble products to be reconstituted with a vehicle prior to use.
  • the pharmaceutical compositions are provided as ready-to-use sterile emulsions.
  • compositions provided herein may be formulated as immediate or modified release dosage forms, including delayed-, sustained, pulsed-, controlled, targeted-, and programmed-release forms.
  • the pharmaceutical compositions may be formulated as a suspension, solid, semi-solid, or thixotropic liquid, for administration as an implanted depot.
  • the pharmaceutical compositions provided herein are dispersed in a solid inner matrix, which is surrounded by an outer polymeric membrane that is insoluble in body fluids but allows the active ingredient in the pharmaceutical compositions diffuse through.
  • suitable inner matrixes include
  • polyvinylchloride plasticized nylon, plasticized polyethylene terephthalate, natural rubber, polyisoprene, polyisobutylene, polybutadiene, polyethylene, ethylene -vinyl acetate copolymers, silicone rubbers, polydimethylsiloxanes, silicone carbonate copolymers, hydrophilic polymers, such as hydrogels of esters of acrylic and methacrylic acid, collagen, cross-linked polyvinyl alcohol, and cross-linked partially hydrolyzed polyvinyl acetate.
  • suitable outer polymeric membranes include polyethylene, polypropylene, ethylene/propylene copolymers, ethylene/ethyl acrylate copolymers, ethylene/vinyl acetate copolymers, silicone rubbers, polydimethyl siloxanes, neoprene rubber, chlorinated polyethylene, polyvinylchloride, vinyl chloride copolymers with vinyl acetate, vinylidene chloride, ethylene and propylene, ionomer polyethylene terephthalate, butyl rubber epichlorohydrin rubbers, ethylene/vinyl alcohol copolymer, ethylene/vinyloxyethanol copolymer, and ethylene/vinyl acetate/vinyl alcohol terpolymer.
  • composition prepared for parenteral administration e.g., IV or SC.
  • the composition comprises 5-azacytidine as a lyophilized powder.
  • the composition comprises 5-azacytidine and mannitol as a lyophilized powder.
  • the amount of 5-azacytidine in the composition is about 100 mg.
  • the weight ratio of 5-azacytidine to mannitol is about 1 : 1.
  • the lyophilized powder comprising 5-azacytidine is reconstituted with sterile water for IV or SC administration.
  • the dose for parenteral administration is about 75 mg/m 2 .
  • the dose for parenteral administration is from about 75 mg/m 2 to about 100 mg/m 2 .
  • the composition is administered daily for 7 days at a dose of about 75 mg/m 2 to about 100 mg/m 2 .
  • the composition is administered daily for 7 days at a dose of about 75 mg/m 2 to about 100 mg/m 2 , and the cycle is repeated every 4 weeks.
  • the compositions is administered for at least 4 to 6 cycles.
  • azacitidine is administered at about 20-200 mg/kg per day (including for example 50 mg/kg, 80 mg/kg, 100 mg/kg, 120 mg/kg, 140 mg/kg, 180 mg/kg).
  • decitabine is administered at about 0.75-4 mg/kg per day (including for example 1.0 mg/kg, 1.5 mg/kg, 2.00 mg/kg, 2.5 mg/kg, 3.0 mg/kg, 3.5 mg/kg).
  • azacitidine or decitabine is administered at about
  • 10-200 mg/m 2 (including for example about 50-100 mg/m 2 or for example about 75 mg/m 2 ).
  • compositions provided herein may be administered rectally, urethrally, vaginally, or perivaginally in the forms of suppositories, pessaries, bougies, poultices or cataplasm, pastes, powders, dressings, creams, plasters, contraceptives, ointments, solutions, emulsions, suspensions, tampons, gels, foams, sprays, or enemas.
  • These dosage forms can be manufactured using
  • rectal, urethral, and vaginal suppositories are solid bodies for insertion into body orifices, which are solid at ordinary temperatures but melt or soften at body temperature to release the active ingredient(s) inside the orifices.
  • Pharmaceutically acceptable carriers utilized in rectal and vaginal suppositories include bases or vehicles, such as stiffening agents, which produce a melting point in the proximity of body temperature, when formulated with the pharmaceutical compositions provided herein; and antioxidants as described herein, including bisulfite and sodium metabisulfite.
  • Suitable vehicles include, but are not limited to, cocoa butter (theobroma oil), glycerin- gelatin, carbowax (polyoxyethylene glycol), spermaceti, paraffin, white and yellow wax, and appropriate mixtures of mono-, di- and triglycerides of fatty acids, hydrogels, such as polyvinyl alcohol, hydroxyethyl methacrylate, polyacrylic acid; glycerinated gelatin.
  • Rectal and vaginal suppositories may be prepared by the compressed method or molding.
  • the typical weight of a rectal and vaginal suppository is about 2 to about 3 g.
  • compositions provided herein may be administered intranasally or by inhalation to the respiratory tract.
  • compositions may be provided in the form of an aerosol or solution for delivery using a pressurized container, pump, spray, atomizer, such as an atomizer using electrohydrodynamics to produce a fine mist, or nebulizer, alone or in combination with a suitable propellant, such as 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane.
  • atomizer such as an atomizer using electrohydrodynamics to produce a fine mist, or nebulizer
  • a suitable propellant such as 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane.
  • the pharmaceutical compositions may also be provided as a dry powder for insufflation, alone or in combination with an inert carrier such as lactose or phospholipids; and nasal drops.
  • the powder may comprise a bioadhesive agent, including chitosan or cyclodextrin
  • solutions or suspensions for use in a pressurized container, pump, spray, atomizer, or nebulizer may be formulated to contain ethanol, aqueous ethanol, or a suitable alternative agent for dispersing, solubilizing, or extending release of the active ingredient provided herein, a propellant as solvent; and/or a surfactant, such as sorbitan trioleate, oleic acid, or an oligolactic acid.
  • compositions provided herein may be micronized to a size suitable for delivery by inhalation, such as about 50
  • Particles of such sizes may be prepared using a comminuting method known to those skilled in the art, such as spiral jet milling, fluid bed jet milling, supercritical fluid processing to form nanoparticles, high pressure homogenization, or spray drying.
  • capsules, blisters and cartridges for use in an inhaler or insufflator may be formulated to contain a powder mix of the pharmaceutical
  • the lactose may be anhydrous or in the form of the monohydrate.
  • Other suitable excipients or carriers include dextran, glucose, maltose, sorbitol, xylitol, fructose, sucrose, and trehalose.
  • the pharmaceutical compositions provided herein for inhaled/intranasal administration may further comprise a suitable flavor, such as menthol and levomenthol, or sweeteners, such as saccharin or saccharin sodium.
  • compositions provided herein for topical administration may be formulated to be immediate release or modified release, including delayed-, sustained-, pulsed-, controlled-, targeted, and programmed release. 7. Additional Therapeutic Agents
  • a pharmaceutical composition comprising one, two, three, or more other pharmacologically active substances (also termed herein “additional therapeutic agents,” “second active agents,” or the like) (e.g., other than cytidine analog).
  • the cytidine analog formulations provided herein further comprise one, two, three, or more other pharmacologically active substances (also termed herein “additional therapeutic agents,” “second active agents,” or the like).
  • the cytidine analog formulations provided herein is co-administered with one, two, three, or more other pharmacologically active substances.
  • the oral formulations provided herein comprise the additional therapeutic agent(s) in a therapeutically effective amount.
  • the cytidine analog e.g., 5- azacytidine or another cytidine analog provided herein
  • the additional therapeutic agent(s) are co-formulated together in the same dosage form using methods of co- formulating active pharmaceutical ingredients, including methods disclosed herein and methods known in the art.
  • the cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • the additional therapeutic agent(s) are coadministered in separate dosage forms.
  • Cytidine analog dosage forms provided herein can also work to alleviate adverse effects associated with certain second active agents, and some second active agents can be used to alleviate adverse effects associated with cytidine analog dosage forms provided herein.
  • the formulations of cytidine analogs provided herein are co-administered with one or more therapeutic agents to provide a resensitization effect in subjects in need thereof.
  • Additional therapeutic agents can be, e.g., large molecules (e.g., proteins) or small molecules (e.g., synthetic inorganic, organometallic, or organic molecules).
  • Examples of particular additional therapeutic agents useful in the compositions and methods disclosed herein include, but are not limited to, e.g., cytotoxic agents, anti-metabolites, antifolates, HDAC inhibitors (e.g., entinostat, also known as SNDX-275 or MS-275; or vorinostat, also known as suberoylanilide hydroxamic acid (SAHA) or N-hydroxy-N"-phenyl-octanediamide), DNA intercalating agents, DNA cross- linking agents, DNA alkylating agents, DNA cleaving agents, topoisomerase inhibitors, CDK inhibitors, JAK inhibitors, anti-angiogenic agents, Bcr-Abl inhibitors, HER2 inhibitors, EGFR inhibitors, VEGFR inhibitors, PDGFR inhibitors, HGFR inhibitors, IGFR inhibitors, c-Kit inhibitors, Ras pathway inhibitors, PI3K inhibitors, multi-targeted kinase inhibitors, mTOR inhibitor
  • the co-administered therapeutic agent is an immunomodulatory compound, e.g., thalidomide, lenalidomide, or pomalidomide.
  • the co-administered therapeutic agent is carboplatin.
  • the coadministered therapeutic agent is paclitaxel (e.g., Abraxane ® ). See, e.g., U.S. Patent Nos. 7,758,891, 7,771,751, 7,820,788, 7,923,536, 8,034,375; U.S. Patent Publication No.
  • the co-administered agent may be dosed, e.g., orally or by injection.
  • the additional therapeutic agent is a composition comprising nanoparticles comprising a taxane (such as paclitaxel) and a carrier protein.
  • the nanoparticle composition comprises nanoparticles comprising paclitaxel and an albumin.
  • the nanoparticles in the composition described herein have an average diameter of no greater than about 200 nm, including for example no greater than about any one of 190, 180, 170, 160, 150, 140, 130, 120, 110, 100, 90, 80, 70, or 60 nm.
  • At least about 50% (for example at least about any one of 60%, 70%, 80%, 90%, 95%, or 99%) of all the nanoparticles in the composition have a diameter of no greater than about 200 nm, including for example no greater than about any one of 190, 180, 170, 160, 150, 140, 130, 120, 110, 100, 90, 80, 70, or 60 nm.
  • At least about 50%> (for example at least any one of 60%>, 70%>, 80%>, 90%, 95%, or 99%) of all the nanoparticles in the composition fall within the range of about 20 to about 400, including for example about 20 to about 200 nm, about 30 to about 180 nm, and any one of about 40 to about 150, about 50 to about 120, and about 60 to about 100 nm.
  • the carrier protein has sulfhydral groups that can form disulfide bonds.
  • At least about 5% (including for example at least about any one of 10%, 15%, 20%, 25%, 30%, 40%, 50%, 60%, 70%, 80%, or 90%) of the carrier protein in the nanoparticle portion of the composition are crosslinked (for example crosslinked through one or more disulfide bonds).
  • the nanoparticles comprise the taxane (such as paclitaxel) coated with a carrier protein, such as albumin (e.g., human serum albumin).
  • the composition comprises taxane in both nanoparticle and non- nanoparticle form, wherein at least about any one of 50%>, 60%>, 70%>, 80%>, 90%>, 95%, or 99% of the taxane in the composition are in nanoparticle form.
  • the taxane in the nanoparticles constitutes more than about any one of 50%, 60%, 70%, 80%, 90%), 95%), or 99%) of the nanoparticles by weight.
  • the nanoparticles comprise a core of taxane that is substantially free of polymeric materials (such as polymeric matrix).
  • the nanoparticle composition is substantially free
  • the nanoparticle (such as free) of surfactants (such as Cremophor®, Tween 80, or other organic solvents used for the administration of taxanes).
  • surfactants such as Cremophor®, Tween 80, or other organic solvents used for the administration of taxanes.
  • the composition contains less than about any one of 20%>, 15%, 10%>, 7.5%, 5%, 2.5%, or 1% organic solvent.
  • the weight ratio of carrier protein (such as albumin) and taxane in the nanoparticle composition is about 18: 1 or less, such as about 15 : 1 or less, for example about 9: 1 or less.
  • the weight ratio of carrier protein (such as albumin) and taxane in the composition falls within the range of any one of about 1 : 1 to about 18: 1 , about 2: 1 to about 15 : 1 , about 3 : 1 to about 13 : 1 , about 4: 1 to about 12: 1 , about 5 : 1 to about 10: 1 , about 9: 1.
  • the weight ratio of carrier protein and taxane in the nanoparticle portion of the composition is about any one of 1 :2, 1 :3, 1 :4, 1 :5, 1 :9, 1 : 10, 1 : 15, or less.
  • the particle composition comprises one or more of the above characteristics. In some embodiments, the nanoparticle composition is
  • Nanoparticle compositions comprising other taxanes (such as docetaxel and ortataxel) may also comprise one or more of the above characteristics.
  • Abraxane® is intravenously administering at a dose of about 80 to about 200 mg/m 2 (such as about 100 mg/m 2 ). In some embodiments, Abraxane® is administered weekly. In some embodiments, Abraxane® is administered once every two weeks. In some embodiments, Abraxane® is administered once every three weeks. In some embodiments, Abraxane® is administered as part of a cyclic treatment regimen (e.g., in cycles). In some embodiments, Abraxane® is administered on Days 1 and 8 of a 21 -day cycle. In some embodiments, Abraxane® is administered on Days 8 and 15 of a 21 -day cycle.
  • carboplatin is intravenously administering at the dose of about AUC 2 to AUC 6 (such as AUC 2, AUC 4, AUC 6). In some embodiments, carboplatin is administered weekly. In some embodiments, carboplatin is administered once every two weeks. In some embodiments, carboplatin is administered once every three weeks. In some embodiments, carboplatin is administered as part of a cyclic treatment regimen (e.g., in cycles).
  • additional therapeutic agents include, but are not limited to, hematopoietic growth factor, a cytokine, an anti-cancer agent, granulocyte colony-stimulating factor (G-CSF), granulocyte -macrophage colony-stimulating factor (GM-CSF), erythropoietin (EPO), interleukin (IL), interferon (IFN), oblimersen, melphalan, topotecan, pentoxifylline, taxotere, irinotecan, ciprofloxacin, doxorubicin, vincristine, dacarbazine, Ara-C, vinorelbine, prednisone, cyclophosphamide, bortezomib, arsenic trioxide.
  • Such additional therapeutic agents are particularly useful in methods and compositions disclosed herein including, but not limited to, those relating to treatment of multiple myeloma.
  • additional therapeutic agents include, but are not limited to, an antibody (e.g., rituximab, anti-CD33), hematopoietic growth factor, cytokine, anti-cancer agent, antibiotic, cox-2 inhibitor, immunomodulatory agent, immunosuppressive agent, corticosteroid, or a pharmacologically active mutant or derivative thereof. See, e.g., S.
  • Nand et ah, Leukemia and Lymphoma, 2008, 49(11):2141-47 describing a Phase II study involving the administration of a combination of hydroxyurea, azacitidine and low dose gemtuzumab ozogamicin to elderly patients with AML and high-risk MDS, and concluding that this combination appears to be a safe and effective regimen in the treatment of AML and high risk MDS in this group of patients).
  • Such additional therapeutic agents are particularly useful in methods and compositions disclosed herein including, but not limited to, those relating to treatment of the diseases and disorders disclosed herein.
  • Examples of large molecule active agents include, but are not limited to, hematopoietic growth factors, cytokines, and monoclonal and polyclonal antibodies.
  • Typical large molecule active agents are biological molecules, such as naturally occurring or artificially made proteins. Proteins that are particularly useful include proteins that stimulate the survival and/or proliferation of hematopoietic precursor cells and
  • immunologically active poietic cells in vitro or in vivo Others stimulate the division and differentiation of committed erythroid progenitors in cells in vitro or in vivo.
  • Particular proteins include, but are not limited to: interleukins, such as IL-2 (including recombinant IL-II ("rIL2") and canarypox IL-2), IL-10, IL-12, and IL-18; interferons, such as interferon alfa-2a, interferon alfa-2b, interferon alfa-nl, interferon alfa-n3, interferon beta-I a, and interferon gamma-I b; GM-CF and GM-CSF; and EPO.
  • interleukins such as IL-2 (including recombinant IL-II (“rIL2") and canarypox IL-2), IL-10, IL-12, and IL-18
  • interferons such as interferon alfa-2a, inter
  • proteins that can be used in the methods and compositions provided herein include, but are not limited to: filgrastim, which is sold in the United States under the trade name Neupogen ® (Amgen, Thousand Oaks, CA); sargramostim, which is sold in the United States under the trade name Leukine ® (Immunex, Seattle, WA); and recombinant EPO, which is sold in the United States under the trade name Epogen ®
  • Recombinant and mutated forms of GM-CSF can be prepared as described in U.S. patent nos. 5,391,485; 5,393,870; and 5,229,496; all of which are incorporated herein by reference.
  • Recombinant and mutated forms of G-CSF can be prepared as described in U.S. patent nos. 4,810,643; 4,999,291; 5,528,823; and 5,580,755; all of which are incorporated herein by reference.
  • Embodiments herein encompass the use of native, naturally occurring, and recombinant proteins.
  • Particular embodiments encompass mutants and derivatives (e.g., modified forms) of naturally occurring proteins that exhibit, in vivo, at least some of the pharmacological activity of the proteins upon which they are based.
  • mutants include, but are not limited to, proteins that have one or more amino acid residues that differ from the corresponding residues in the naturally occurring forms of the proteins.
  • mutants include, but are not limited to, proteins that have one or more amino acid residues that differ from the corresponding residues in the naturally occurring forms of the proteins.
  • mutants include, but are not limited to, proteins that have one or more amino acid residues that differ from the corresponding residues in the naturally occurring forms of the proteins.
  • mutants include carbohydrate moieties normally present in their naturally occurring forms (e.g., nonglycosylated forms).
  • derivatives include, but are not limited to, pegylated derivatives and fusion proteins, such as proteins formed by fusing IgGl or IgG3 to the protein or active portion of the protein of interest. See, e.g., Penichet, M.L. and Morrison, S.L., J. Immunol. Methods 248:91-101 (2001).
  • Antibodies that can be used in combination with oral formulations disclosed herein include monoclonal and polyclonal antibodies.
  • Examples of antibodies include, but are not limited to, trastuzumab (Herceptin ® ), rituximab (Rituxan ® ),
  • Oral formulations disclosed herein can also comprise, be combined with, or used in combination with anti-TNF-a antibodies.
  • Large molecule active agents may be administered in the form of anticancer vaccines.
  • vaccines that secrete, or cause the secretion of, cytokines such as IL-2, G-CSF, and GM-CSF can be used in the methods, pharmaceutical
  • compositions, and kits provided herein See, e.g., Emens, L.A., et ah, Curr. Opinion Mol. Ther. 3(l):77-84 (2001).
  • the additional therapeutic agent ⁇ e.g., large-molecule compound or small-molecule compound
  • adverse effects can include, but are not limited to, anemia, neutropenia, febrile neutropenia, thrombocytopenia, hepatotoxicity ⁇ e.g., including, but not limited to, hepatoxicity in patients with preexisting hepatic impairment), elevated serum creatinine, renal failure, renal tubular acidosis, hypokalemia, hepatic coma, nausea, vomiting, dyspepsia, abdominal pain, pyrexia, leukopenia, diarrhea, constipation, ecchymosis, petechiae, rigors, weakness, pneumonia, anxiety, insomnia, lethargy, and decrease in weight, among others known in the art to be associated with particular cytidine analogs.
  • small molecule second active agents include, but are not limited to, anti-cancer agents, antibiotics, immunosuppressive agents, and steroids.
  • anti-cancer agents include, but are not limited to: acivicin; aclarubicin; acodazole hydrochloride; acronine; adozelesin; aldesleukin; altretamine;
  • ambomycin ambomycin; ametantrone acetate; amsacrine; anastrozole; anthramycin; asparaginase;
  • asperlin asperlin; azacitidine; azetepa; azotomycin; batimastat; benzodepa; bicalutamide; bisantrene hydrochloride; bisnafide dimesylate; bizelesin; bleomycin sulfate; brequinar sodium;
  • dexormaplatin dezaguanine; dezaguanine mesylate; diaziquone; docetaxel; doxorubicin; doxorubicin hydrochloride; droloxifene; droloxifene citrate; dromostanolone propionate; duazomycin; edatrexate; eflornithine hydrochloride; elsamitrucin; enloplatin; enpromate; epipropidine; epirubicin hydrochloride; erbulozole; esorubicin hydrochloride; estramustine; estramustine phosphate sodium; etanidazole; etoposide; etoposide phosphate; etoprine; fadrozole hydrochloride; camrabine; fenretinide; floxuridine; fludarabine phosphate;
  • fluorouracil flurocitabine; fosquidone; fostriecin sodium; gemcitabine; gemcitabine hydrochloride; hydroxyurea; idarubicin hydrochloride; ifosfamide; ilmofosine; iproplatin; irinotecan; irinotecan hydrochloride; lanreotide acetate; letrozole; leuprolide acetate;
  • masoprocol maytansine; mechlorethamine hydrochloride; megestrol acetate; melengestrol acetate; melphalan; menogaril; mercaptopurine; methotrexate; methotrexate sodium;
  • metoprine meturedepa; mitindomide; mitocarcin; mitocromin; mitogillin; mitomalcin; mitomycin; mitosper; mitotane; mitoxantrone hydrochloride; mycophenolic acid;
  • nocodazole nogalamycin; ormaplatin; oxisuran; paclitaxel; pegaspargase; peliomycin; pentamustine; peplomycin sulfate; perfosfamide; pipobroman; piposulfan; piroxantrone hydrochloride; plicamycin; plomestane; porfimer sodium; porfiromycin; prednimustine; procarbazine hydrochloride; puromycin; puromycin hydrochloride; pyrazofurin; riboprine; safingol; safmgol hydrochloride; semustine; pumprazene; sparfosate sodium; sparsomycin; spirogermanium hydrochloride; spiromustine; spiroplatin; streptonigrin; streptozocin;
  • sulofenur talisomycin; tecogalan sodium; taxotere; tegafur; teloxantrone hydrochloride; temoporfm; teniposide; teroxirone; testolactone; thiamiprine; thioguanine; thiotepa;
  • trimetrexate trimetrexate glucuronate; triptorelin; tubulozole hydrochloride; uracil mustard; uredepa; vapreotide; verteporfin; vinblastine sulfate; vincristine sulfate; vindesine;
  • anti-cancer drugs include, but are not limited to: 20-epi-l,25 dihydroxyvitamin D3; 5-ethynyluracil; abiraterone; aclarubicin; acylfulvene; adecypenol; adozelesin; aldesleukin; ALL-TK antagonists; altretamine; ambamustine; amidox;
  • amifostine aminolevulinic acid
  • amrubicin amsacrine
  • anagrelide anastrozole
  • anti-dorsalizing morphogenetic protein- 1 antiandrogen, prostatic carcinoma; antiestrogen; antineoplaston; antisense oligonucleotides; aphidicolin glycinate; apoptosis gene
  • modulators apoptosis regulators; apurinic acid; ara-CDP-DL-PTBA; arginine deaminase; asulacrine; atamestane; atrimustine; axinastatin 1 ; axinastatin 2; axinastatin 3; azasetron; azatoxin; azatyrosine; baccatin III derivatives; balanol; batimastat; BCR/ABL antagonists; benzochlorins; benzoylstaurosporine; beta lactam derivatives; beta-alethine; betaclamycin B; betulinic acid; bFGF inhibitor; bicalutamide; bisantrene; bisaziridinylspermine;
  • bisnafide bistratene A; bizelesin; breflate; bropirimine; budotitane; buthionine sulfoximine; calcipotriol; calphostin C; camptothecin derivatives; capecitabine;
  • carboxamide-amino-triazole carboxyamidotriazole; CaRest M3; CARN 700; cartilage derived inhibitor; carzelesin; casein kinase inhibitors (ICOS); castanospermine; cecropin B; cetrorelix; chlorlns; chloroquinoxaline sulfonamide; cicaprost; cis-porphyrin; cladribine; clomifene analogues; clotrimazole; collismycin A; collismycin B; combretastatin A4;
  • combretastatin analogue conagenin; crambescidin 816; crisnatol; cryptophycin 8;
  • cryptophycin A derivatives curacin A; cyclopentanthraquinones; cycloplatam; cypemycin; cytarabine ocfosfate; cytolytic factor; cytostatin; dacliximab; decitabine; dehydrodidemnin B; deslorelin; dexamethasone; dexifosfamide; dexrazoxane; dexverapamil; diaziquone; didemnin B; didox; diethylnorspermine; dihydro-5-azacytidine; dihydrotaxol, 9-;
  • dioxamycin diphenyl spiromustine; docetaxel; docosanol; dolasetron; doxifluridine;
  • doxorubicin doxorubicin
  • droloxifene dronabinol
  • duocarmycin SA ebselen
  • ecomustine ebselen
  • ebselen ecomustine
  • edelfosine edrecolomab
  • eflornithine elemene
  • emitefur epirubicin
  • epristeride estramustine analogue
  • estrogen agonists estrogen antagonists
  • etanidazole etoposide phosphate
  • flezelastine fluasterone; fludarabine; fluorodaunorunicin hydrochloride; forfenimex;
  • idramantone ilmofosine; ilomastat; imatinib (e.g., Gleevec®), imiquimod; immunostimulant peptides; insulin-like growth factor- 1 receptor inhibitor; interferon agonists; interferons; interleukins; iobenguane; iododoxorubicin; ipomeanol, 4-; iroplact; irsogladine;
  • imatinib e.g., Gleevec®
  • imiquimod immunostimulant peptides
  • insulin-like growth factor- 1 receptor inhibitor interferon agonists
  • interferons interleukins
  • iobenguane iododoxorubicin
  • ipomeanol, 4- iroplact
  • irsogladine irsogladine
  • isobengazole isohomohalicondrin B; itasetron; jasplakinolide; kahalalide F; lamellarin-N triacetate; lanreotide; leinamycin; lenograstim; lentinan sulfate; leptolstatin; letrozole; leukemia inhibiting factor; leukocyte alpha interferon; leuprolide+estrogen+progesterone; leuprorelin; levamisole; liarozole; linear polyamine analogue; lipophilic disaccharide peptide; lipophilic platinum compounds; lissoclinamide 7; lobaplatin; lombricine;
  • lometrexol lometrexol; lonidamine; losoxantrone; loxoribine; lurtotecan; lutetium texaphyrin;
  • lysofylline lytic peptides; maitansine; mannostatin A; marimastat; masoprocol; maspin; matrilysin inhibitors; matrix metalloproteinase inhibitors; menogaril; merbarone; meterelin; methioninase; metoclopramide; MIF inhibitor; mifepristone; miltefosine; mirimostim; mitoguazone; mitolactol; mitomycin analogues; mitonafide; mitotoxin fibroblast growth factor-saporin; mitoxantrone; mofarotene; molgramostim; Erbitux, human chorionic gonadotrophin; monophosphoryl lipid A+myobacterium cell wall sk; mopidamol; mustard anticancer agent; mycaperoxide B; mycobacterial cell wall extract; myriaporone;
  • Genasense ® 0 6 -benzylguanine; octreotide; okicenone; oligonucleotides; onapristone; ondansetron; ondansetron; oracin; oral cytokine inducer; ormaplatin; osaterone; oxaliplatin; oxaunomycin; paclitaxel; paclitaxel analogues; paclitaxel derivatives; palauamine;
  • palmitoylrhizoxin pamidronic acid; panaxytriol; panomifene; parabactin; pazelliptine; pegaspargase; peldesine; pentosan polysulfate sodium; pentostatin; pentrozole; perflubron; perfosfamide; perillyl alcohol; phenazinomycin; phenylacetate; phosphatase inhibitors; picibanil; pilocarpine hydrochloride; pirarubicin; piritrexim; placetin A; placetin B;
  • platinum-triamine complex platinum-triamine complex; porfimer sodium; porfiromycin; prednisone; propyl bis-acridone; prostaglandin J2; proteasome inhibitors; protein A-based immune modulator; protein kinase C inhibitor; protein kinase C inhibitors, microalgal; protein tyrosine phosphatase inhibitors; purine nucleoside phosphorylase inhibitors; purpurins;
  • pyrazoloacridine pyridoxylated hemoglobin polyoxyethylene conjugate; raf antagonists; raltitrexed; ramosetron; ras farnesyl protein transferase inhibitors; ras inhibitors; ras-GAP inhibitor; retelliptine demethylated; rhenium Re 186 etidronate; rhizoxin; ribozymes; RII retinamide; rohitukine; romurtide; roquinimex; rubiginone Bl ; ruboxyl; safmgol; saintopin; SarCNU; sarcophytol A; sargramostim; Sdi 1 mimetics; semustine; senescence derived inhibitor 1 ; sense oligonucleotides; signal transduction inhibitors; sizofiran; sobuzoxane; sodium borocaptate; sodium phenylacetate; solverol;
  • sonermin sparfosic acid; spicamycin D; spiromustine; splenopentin; spongistatin 1 ;
  • squalamine stipiamide
  • stromelysin inhibitors sulfmosine
  • superactive vasoactive intestinal peptide antagonist suradista; suramin; swainsonine; tallimustine; tamoxifen methiodide; tauromustine; tazarotene; tecogalan sodium; tegafur; tellurapyrylium; telomerase inhibitors; temoporfm; teniposide; tetrachlorodecaoxide; tetrazomine; thaliblastine; thiocoraline;
  • thrombopoietin thrombopoietin
  • thrombopoietin mimetic thrombopoietin mimetic
  • thymalfasin thrombopoietin mimetic
  • thymopoietin receptor agonist thrombopoietin receptor agonist
  • thymotrinan thyroid stimulating hormone
  • tin ethyl etiopurpurin tirapazamine
  • titanocene bichloride titanocene bichloride
  • topsentin toremifene
  • translation inhibitors tretinoin
  • triacetyluridine triacetyluridine
  • triciribine trimetrexate; triptorelin; tropisetron; turosteride; tyrosine kinase inhibitors;
  • tyrphostins UBC inhibitors; ubenimex; urogenital sinus-derived growth inhibitory factor; urokinase receptor antagonists; vapreotide; variolin B; velaresol; veramine; verdins;
  • verteporfin verteporfin; vinorelbine; vinxaltine; vitaxin; vorozole; zanoterone; zeniplatin; zilascorb; and zinostatin stimalamer.
  • Specific additional therapeutic agents include, but are not limited to, oblimersen (Genasense®), remicade, docetaxel, celecoxib, melphalan, dexamethasone (Decadron®), steroids, gemcitabine, cisplatinum, temozolomide, etoposide,
  • cyclophosphamide temodar, carboplatin, procarbazine, gliadel, tamoxifen, topotecan, methotrexate, Arisa®, taxol, taxotere, fluorouracil, leucovorin, irinotecan, xeloda, CPT-1 1 , interferon alpha, pegylated interferon alpha (e.g., PEG INTRON-A), capecitabine, cisplatin, thiotepa, fludarabine, carboplatin, liposomal daunorubicin, cytarabine, doxetaxol, pacilitaxel, vinblastine, IL-2, GM-CSF, dacarbazine, vinorelbine, zoledronic acid, palmitronate, biaxin, busulphan, prednisone, bisphosphonate, arsenic trioxide, vincristine,
  • kits In one embodiment, active ingredients provided herein are not administered to a patient at the same time or by the same route of administration. Provided herein are kits which can simplify the administration of appropriate amounts of active ingredients.
  • kits comprises a dosage form of a compound provided herein.
  • Kits can further comprise one or more second active ingredients as described herein, or a pharmacologically active mutant or derivative thereof, or a combination thereof.
  • kits can further comprise devices that are used to administer the active ingredients.
  • devices include, but are not limited to, syringes, drip bags, patches, and inhalers.
  • kits can further comprise cells or blood for transplantation as well as pharmaceutically acceptable vehicles that can be used to administer one or more active ingredients.
  • the kit can comprise a sealed container of a suitable vehicle in which the active ingredient can be dissolved to form a particulate-free sterile solution that is suitable for parenteral administration.
  • Examples of pharmaceutically acceptable vehicles include, but are not limited to: Water for Injection USP; aqueous vehicles such as, but not limited to, Sodium Chloride Injection, Ringer's Injection, Dextrose Injection, Dextrose and Sodium Chloride Injection, and Lactated Ringer's Injection; water-miscible vehicles such as, but not limited to, ethyl alcohol, polyethylene glycol, and polypropylene glycol; and non-aqueous vehicles such as, but not limited to, corn oil, cottonseed oil, peanut oil, sesame oil, ethyl oleate, isopropyl myristate, and benzyl benzoate.
  • aqueous vehicles such as, but not limited to, Sodium Chloride Injection, Ringer's Injection, Dextrose Injection, Dextrose and Sodium Chloride Injection, and Lactated Ringer's Injection
  • water-miscible vehicles such as, but not limited to, ethyl alcohol
  • kits for treating, preventing or managing cancer by administering a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof, to a subject having cancer.
  • the methods comprise treating cancer with a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • the methods comprise preventing cancer with a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • the methods comprise managing cancer with a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • the cytidine analog is 5-azacytidine.
  • the cytidine analog is decitabine.
  • the methods comprise co-administering one or more additional active agents (e.g., an anti-cancer agent provided herein).
  • the subject is a mammal.
  • the subject is a human.
  • the cancer is a solid tumor (e.g., a relapsed or refractory solid tumor).
  • a cytidine analog e.g., 5- azacytidine or another cytidine analog provided herein
  • a pharmaceutically acceptable salt, solvate, or hydrate thereof in the manufacture of a medicament for the treatment, prevention, and/or management of cancer (e.g., a relapsed or refractory solid tumor).
  • a cytidine analog e.g., 5- azacytidine or another cytidine analog provided herein
  • a pharmaceutically acceptable salt, solvate, or hydrate thereof for use in the treatment, prevention, and/or management of cancer (e.g., a relapsed or refractory solid tumor).
  • provided herein are methods of treating, preventing, or managing certain types of cancer, including but not limited to, a solid tumor or a blood- borne tumor; a refractory cancer or a relapsed cancer; or a refractory solid tumor or a relapsed solid tumor.
  • methods of treating, preventing, or managing certain types of cancer including but not limited to, cancers of the breast, lung, head and neck, ovary, testicle, prostate, gastrointestinal system, stomach, pancreas, liver, colon, kidney, bladder, brain, skin, or bone.
  • the cancer is a cancer of the blood or the lymph.
  • a method for treating a subject having a cancer comprises orally administering to the subject a pharmaceutical composition comprising 5-azacytidine, or a pharmaceutically acceptable salt, solvate, or hydrate thereof; and the method optionally further comprises administering at least one additional therapeutic agent.
  • provided herein are methods of treating, preventing, or managing nasopharyngeal carcinoma.
  • the nasopharyngeal carcinoma is keratinizing squaous-cell carcinoma (formerly WHO type I). In one embodiment, the nasopharyngeal carcinoma is non-keratinizing carcinoma. In one embodiment, the nasopharyngeal carcinoma is basaloid squamous cell carcinoma.
  • the non-keratinizing carcinoma is differentiated non- keratinizing carcinoma (formerly WHO type II).
  • the non-keratinizing carcinoma is undifferentiated non- keratinizing carcinoma (formerly WHO type III).
  • provided herein are methods of treating, preventing, or managing gastrointentinal stromal tumor, moderately differentiated adenocarcinoma, metastatic colorectal adenocarcinoma, sigmoid colon adenocarcinoma, appendicial mucinous adenocarcinoma, metastatic colorectal cancer, nasopharyngeal carcinoma, cervical carcinoma, cervical adenocarcinoma, non-small cell adenocarcinoma of the lung, colon Kras adenocarcinoma, and colon adenocarcinoma, comprising orally administering 5- azacytidine.
  • adenocarcinoma comprising orally administering 5-azacytidine.
  • kits for treating, preventing, or managing adenocarcinoma of colon, breast ductal carcinoma, gall bladder are provided herein.
  • adenocarcinoma pancreatic adenocarcinoma, pancreatic cancer,metastatic pancreatic adenocarcinoma, endometrial carcinoma, ovarian cancer, metastatic ovarian carcinoma, papillary serous endocervical adenocarcinoma, endometroid type well-differentiated adenocarcinoma, rectal adenocarcinoma, pancreatic carcinoma, comprising orally administering 5-azacytidine and optionally at least one additional thereapeutic agent.
  • kits for treating, preventing, or managing adenocarcinoma of colon, breast ductal carcinoma, gall bladder are provided herein.
  • adenocarcinoma pancreatic adenocarcinoma, pancreatic cancer, metastatic pancreatic adenocarcinoma, endometrial carcinoma, ovarian cancer, metastatic ovarian carcinoma, papillary serous endocervical adenocarcinoma, endometroid type well-differentiated adenocarcinoma, rectal adenocarcinoma, pancreatic carcinoma, and metastatic pancreatic adenocarcinoma, comprising orally administering 5-azacytidine and ABX.
  • pancreatic cancer metastatic pancreatic adenocarcinoma, endometrial carcinoma, ovarian cancer, metastatic ovarian carcinoma, papillary serous endocervical adenocarcinoma, endometroid type well-differentiated adenocarcinoma, rectal
  • adenocarcinoma adenocarcinoma, and pancreatic carcinoma, comprising orally administering 5-azacytidine and ABX.
  • provided herein are methods of treating, preventing, or managing breast cancer, comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing head and neck cancer comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g. , additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g. , additional therapeutic agent described herein.
  • kits for treating, preventing, or managing ovarian cancer comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing testicular cancer comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing prostate cancer comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g. , additional therapeutic agent described herein.
  • kits for treating, preventing, or managing stomach cancer comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • provided herein are methods of treating, preventing, or managing liver cancer, comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing bladder cancer comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g. , additional therapeutic agent described herein.
  • kits for treating, preventing, or managing bone cancer comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing leukemia comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing lymphoma comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g., additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g., additional therapeutic agent described herein.
  • kits for treating, preventing, or managing multiple myeloma comprising administering a cytidine analog (e.g. , orally) and at least one additional therapeutic agent (e.g. , additional therapeutic agent described herein).
  • a cytidine analog e.g. , orally
  • at least one additional therapeutic agent e.g. , additional therapeutic agent described herein.
  • kits for treating, preventing, or managing myelodysplastic syndrome comprising administering a cytidine analog (e.g., orally) and at least one additional therapeutic agent (e.g. , additional therapeutic agent described herein).
  • a cytidine analog e.g., orally
  • at least one additional therapeutic agent e.g. , additional therapeutic agent described herein.
  • provided herein are methods of treating, preventing, or managing cancer in the primary tumor, lymph nodes, or distant metastasis, by
  • a cytidine analog or a pharmaceutically acceptable salt, solvate, or hydrate thereof
  • methods of treating, preventing, or managing cancer in the primary tumor, lymph nodes, or distant metastasis by administering 5-azacytidine, or a pharmaceutically acceptable salt, solvate, or hydrate thereof, to a subject in need thereof.
  • provided herein are methods of treating, preventing, or managing cancer in a subject having surgically resectable cancer, locally or regionally advanced cancer, or distant metastatic cancer, by administering a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • methods of treating, preventing, or managing cancer in a subject having surgically resectable cancer, locally or regionally advanced cancer, or distant metastatic cancer by administering 5-azacytidine, or a pharmaceutically acceptable salt, solvate, or hydrate thereof.
  • provided herein are methods of treating surgically resectable cancer, by administering 5-azacytidine to a subject having cancer.
  • provided herein are methods of treating locally or regionally advanced cancer, by administering 5-azacytidine to a subject having cancer.
  • methods of treating distant metastatic cancer, by administering 5-azacytidine to a subject having cancer are provided herein.
  • the methods comprise treating, preventing or managing certain stages of cancer, e.g., Stage 0, Stage I, Stage II, Stage III, and Stage IV, by administering a cytidine analog, or a pharmaceutically acceptable salt, solvate, or hydrate thereof, to a subject having cancer.
  • the staging of cancer may be defined according to methods known in the art, for example, according to the guidelines provided by the American Joint Committee on Cancer (AJCC).
  • the staging of cancer is designated and grouped based on the TNM classification, i.e., a classification based on the status of primary tumor (e.g., TX, TO, Tis, Tl, T2, T3, T4), regional lymph nodes (e.g., NX, NO, Nl, N2, N3), and/or distant metastasis (e.g., MX, MO, Ml), in a subject having cancer.
  • TNM classification i.e., a classification based on the status of primary tumor (e.g., TX, TO, Tis, Tl, T2, T3, T4), regional lymph nodes (e.g., NX, NO, Nl, N2, N3), and/or distant metastasis (e.g., MX, MO, Ml), in a subject having cancer.
  • methods provided herein comprise administering a cytidine analog to a subject having a solid tumor that is surgically resectable.
  • the methods provided herein comprise administering a cytidine analog to a subject having locally advanced solid tumor.
  • methods provided herein comprise administering a cytidine analog to a subject having regionally advanced solid tumor.
  • the methods provided herein comprise administering a cytidine analog to a subject having a distant metastasis, e.g., at the time of diagnosis.
  • Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with surgery. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with chemotherapy. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with immunotherapy. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with targeted therapy. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with radiation therapy. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with two or more of the treatments selected from surgery, chemotherapy, immunotherapy, targeted therapy, and radiation therapy. Particular embodiments provide treating a subject having cancer using one or more of the methods provided herein, together with two or more of the treatments selected from surgery, chemotherapy, and radiation therapy.
  • the subject to be treated with one of the methods provided herein has not been treated with anticancer therapy prior to the administration of the cytidine analog. In certain embodiments, the subject to be treated with one of the methods provided herein has been treated with one or more anticancer therapies prior to the administration of the cytidine analog. In certain embodiments, the subject to be treated with one of the methods provided herein has been treated with a cancer therapeutic agent, as described herein. In certain embodiments, the subject to be treated with one of the methods provided herein has developed drug resistance to anticancer therapy. In certain
  • the subject to be treated with the methods provided herein has a relapsed cancer. In certain embodiments, the subject to be treated with the methods provided herein has a refractory cancer. In certain embodiments, the subject to be treated with the methods provided herein has a metastatic cancer.
  • the methods provided herein encompass treating a subject regardless of patient's age, although some diseases or disorders are more common in certain age groups. Further provided herein is a method for treating a subject who has undergone surgery in an attempt to treat the disease or condition at issue. Further provided herein is a method for treating a subject who has not undergone surgery as an attempt to treat the disease or condition at issue. Because the subjects with cancer have heterogeneous clinical manifestations and varying clinical outcomes, the treatment given to a particular subject may vary, depending on his/her prognosis. The skilled clinician will be able to readily determine without undue experimentation, specific secondary agents, types of surgery, and types of non-drug based standard therapy that can be effectively used to treat an individual subject with cancer.
  • the method may further comprise one or more diagnostic steps, to determine, e.g., the type of cancer, the presence of particular cell types, the genetic profile of a subject, and/or the staging of the disease in a subject.
  • the method may further comprise a disease evaluation step after the cytidine analog has been administered to the subject, to determine, e.g., changes in one or more molecular markers as described herein elsewhere, changes in tumor size and location, and/or other benchmarks used by those skilled in the art to determine the prognosis of cancer in a subject.
  • Certain methods herein provide administration of a cytidine analog by, e.g., intravenous (IV), subcutaneous (SC) or oral routes of administration. Certain methods herein provide administration of a cytidine analog by oral route of administration. Certain embodiments herein provide co-administration of a cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein) with one or more additional active agents to provide a synergistic therapeutic effect in subjects in need thereof.
  • the co-administered agent(s) may be a cancer therapeutic agent, as described herein. In certain embodiments, the co-administered agent(s) may be dosed, e.g., orally or by injection ⁇ e.g., IV or SC).
  • Certain embodiments herein provide methods for treating disorders of abnormal cell proliferation comprising administering a cytidine analog using, e.g., IV, SC and/or oral administration methods. Certain embodiments herein provide methods for treating disorders of abnormal cell proliferation comprising administering a cytidine analog using oral administration methods.
  • treatment cycles comprise multiple doses administered to a subject in need thereof over multiple days ⁇ e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, or greater than 28 days), optionally followed by treatment dosing holidays ⁇ e.g., 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, or greater than 28 days).
  • Suitable dosage amounts for the methods provided herein include, e.g., therapeutically effective amounts and prophylactically effective amounts.
  • a treatment cycle comprises multiple doses administered to a subject in need thereof once a day or more than once a day, for 3 days, for 5 days, for 7 days, for 14 days, for 21 days, or for 28 days.
  • a treatment cycle comprises a resting period of 1 day, 2 days, 3 days, 4 days, 5 days, 7 days, 14 days, 21 days, or 28 days.
  • a subject is treated with multiple treatment cycles, for example, multiple 7-day, 14-day, 21-day, 28-day, 35-day, or 42-day treatment cycles for a total period of treatment of about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, or 24 months, or greater than 24 months.
  • a subject is treated with multiple treatment cycles, that may be the same or different ⁇ e.g., a 7-day treatment cycle followed by a 14-day, 21-day, or 28-day treatment cycle).
  • the methods comprise the sequential steps of:
  • the methods comprise the sequential steps of:
  • the methods comprise the sequential steps of:
  • the methods comprise the sequential steps of:
  • the amount of the cytidine analog (e.g., 5- azacytidine or another cytidine analog provided herein) administered in the methods provided herein may range, e.g., between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day, between about 100 mg/m 2 /day and about 1,000 mg/m 2 /day, between about 50 mg/m 2 /day and about 200 mg/m 2 /day, between about 50 mg/m 2 /day and about 100 mg/m 2 /day, between about 100 mg/m 2 /day and about 500 mg/m 2 /day, or between about 120 mg/m 2 /day and about 250 mg/m 2 /day.
  • the cytidine analog e.g., 5- azacytidine or another cytidine analog provided herein
  • administered in the methods provided herein may range, e.g., between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day, between about
  • particular dosages are, e.g., about 50 mg/m 2 /day, about 75 mg/m 2 /day, about 100 mg/m 2 /day, about 120 mg/m 2 /day, about 140 mg/m 2 /day, about 150 mg/m 2 /day, about 180 mg/m 2 /day, about 200 mg/m 2 /day, about 220 mg/m 2 /day, about 240 mg/m 2 /day, about 250 mg/m 2 /day, about 260 mg/m 2 /day, about 280 mg/m 2 /day, about 300 mg/ m 2 /day, about 320 mg/m 2 /day, about 350 mg/m 2 /day, about 380 mg/m 2 /day, about 400 mg/m 2 /day, about 450 mg/m 2 /day, or about 500 mg/m 2 /day.
  • particular dosages are, e.g., up to about 100 mg/m 2 /day, up to about 120 mg/m 2 /day, up to about 140 mg/m 2 /day, up to about 150 mg/m 2 /day, up to about 180 mg/m 2 /day, up to about 200 mg/m 2 /day, up to about 220 mg/m 2 /day, up to about 240 mg/m 2 /day, up to about 250 mg/m 2 /day, up to about 260 mg/m 2 /day, up to about 280 mg/m 2 /day, up to about 300 mg/ m 2 /day, up to about 320 mg/m 2 /day, up to about 350 mg/m 2 /day, up to about 380 mg/m 2 /day, up to about 400 mg/m 2 /day, up to about 450 mg/m 2 /day, up to about 500 mg/m 2 /day, up to about 750 mg/m 2 /day, or up
  • the amount of the cytidine analog (e.g., 5- azacytidine or another cytidine analog provided herein) administered in the methods provided herein may range, e.g., between about 5 mg/day and about 2,000 mg/day, between about 10 mg/day and about 2,000 mg/day, between about 20 mg/day and about 2,000 mg/day, between about 50 mg/day and about 1,000 mg/day, between about 100 mg/day and about 600 mg/day, between about 100 mg/day and about 500 mg/day, between about 150 mg/day and about 500 mg/day, between about 250 mg/day and about 350 mg/day, or between about 150 mg/day and about 250 mg/day.
  • the cytidine analog e.g., 5- azacytidine or another cytidine analog provided herein
  • administered in the methods provided herein may range, e.g., between about 5 mg/day and about 2,000 mg/day, between about 10 mg/day and about 2,000 mg/day, between about 20
  • particular dosages are, e.g., about 10 mg/day, about 20 mg/day, about 50 mg/day, about 75 mg/day, about 100 mg/day, about 120 mg/day, about 150 mg/day, about 180 mg/day, about 200 mg/day, about 240 mg/day, about 250 mg/day, about 280 mg/day, about 300 mg/day, about 320 mg/day, about 350 mg/day, about 360 mg/day, about 400 mg/day, about 450 mg/day, about 500 mg/day, about 600 mg/day, about 700 mg/day, about 800 mg/day, about 900 mg/day, about 1,000 mg/day, about 1,200 mg/day, or about 1,500 mg/day.
  • particular dosages are, e.g., up to about 10 mg/day, up to about 20 mg/day, up to about 50 mg/day, up to about 75 mg/day, up to about 100 mg/day, up to about 120 mg/day, up to about 150 mg/day, up to about 200 mg/day, up to about 250 mg/day, up to about 300 mg/day, up to about 350 mg/day, up to about 400 mg/day, up to about 450 mg/day, up to about 500 mg/day, up to about 600 mg/day, up to about 700 mg/day, up to about 800 mg/day, up to about 900 mg/day, up to about 1,000 mg/day, up to about 1,200 mg/day, or up to about 1,500 mg/day.
  • the amount of the cytidine analog (e.g., 5- azacytidine or another cytidine analog provided herein) in the pharmaceutical composition or dosage form provided herein may range, e.g., between about 5 mg and about 2,000 mg, between about 10 mg and about 2,000 mg, between about 20 mg and about 2,000 mg, between about 50 mg and about 1,000 mg, between about 100 mg and about 600 mg, between about 100 mg and about 500 mg, between about 150 mg and about 500 mg, between about 250 mg and about 350 mg, or between about 150 mg and about 250 mg.
  • particular amounts are, e.g., about 10 mg, about 20 mg, about 50 mg, about 75 mg, about 100 mg, about 120 mg, about 150 mg, about 180 mg, about 200 mg, about 240 mg, about 250 mg, about 300 mg, about 320 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 600 mg, about 700 mg, about 800 mg, about 900 mg, about 1,000 mg, about 1,200 mg, or about 1,500 mg.
  • particular amounts are, e.g., up to about 10 mg, up to about 20 mg, up to about 50 mg, up to about 75 mg, up to about 100 mg, up to about 120 mg, up to about 150 mg, up to about 200 mg, up to about 250 mg, up to about 300 mg, up to about 350 mg, up to about 400 mg, up to about 450 mg, up to about 500 mg, up to about 600 mg, up to about 700 mg, up to about 800 mg, up to about 900 mg, up to about 1,000 mg, up to about 1,200 mg, or up to about 1,500 mg.
  • the pharmaceutical composition comprises about 200 mg of the cytidine analog.
  • the pharmaceutical composition comprises about 300 mg of the cytidine analog.
  • the cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein
  • the cytidine analog may be administered by oral, parenteral (e.g. , intramuscular,
  • the cytidine analog may be formulated, alone or together with one or more active agent(s), in suitable dosage unit with pharmaceutically acceptable excipients, carriers, adjuvants and vehicles, appropriate for each route of administration.
  • the cytidine analog e.g. , 5-azacytidine or another cytidine analog provided herein
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) is administered parenterally .
  • the cytidine analog (e.g. , 5-azacytidine or another cytidine analog provided herein) is administered intravenously.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) is administered subcutaneously.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) can be delivered as a single dose such as, e.g. , a single bolus injection, or oral tablets or pills; or over time such as, e.g., continuous infusion over time or divided bolus doses over time.
  • the cytidine analog (e.g., 5- azacytidine or another cytidine analog provided herein) can be administered repetitively if necessary, for example, until the patient experiences stable disease or regression, or until the patient experiences disease progression or unacceptable toxicity.
  • stable disease for solid tumors generally means that the perpendicular diameter of measurable lesions has not increased by 25% or more from the last measurement. See, e.g., Response Evaluation Criteria in Solid Tumors (RECIST) Guidelines, Journal of the National Cancer Institute 92(3): 205-216 (2000). Stable disease or lack thereof is determined by methods known in the art such as evaluation of patient's symptoms, physical examination, visualization of the tumor that has been imaged using X-ray, CAT, PET, or MRI scan and other commonly accepted evaluation modalities.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) can be administered once daily (QD), or divided into multiple daily doses such as twice daily (BID), three times daily (TID), and four times daily (QID).
  • the administration can be continuous (i.e., daily for consecutive days or every day), intermittent, e.g., in cycles (i.e., including days, weeks, or months of rest when no drug is administered).
  • the cytidine analog is administered daily, for example, once or more than once each day for a period of time. In one
  • the cytidine analog is administered daily for an uninterrupted period of at least 7 days, in some embodiments, up to 52 weeks. In one embodiment, the cytidine analog is administered intermittently, i.e., stopping and starting at either regular or irregular intervals. In one embodiment, the cytidine analog is administered for one to six days per week. In one embodiment, the cytidine analog is administered in cycles ⁇ e.g., daily administration for about one, two, three, four, five, six, seven, or eight consecutive weeks, then a rest period with no administration for about one, two, three, or four weeks). In one embodiment, the cytidine analog is administered on alternate days. In one embodiment, the cytidine analog is administered in cycles ⁇ e.g., administered daily or continuously for a certain period interrupted with a rest period).
  • the frequency of administration ranges from about daily to about monthly.
  • the cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein
  • the cytidine analog is administered once a day, twice a day, three times a day, four times a day, once every other day, twice a week, once every week, once every two weeks, once every three weeks, or once every four weeks.
  • the cytidine analog is administered once a day.
  • the cytidine analog is administered twice a day.
  • the cytidine analog is administered three times a day.
  • the cytidine analog is administered four times a day.
  • the cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein) is administered once per day from one day to six months, from one week to three months, from one week to four weeks, from one week to three weeks, or from one week to two weeks.
  • the cytidine analog is administered once per day for one week, two weeks, three weeks, or four weeks.
  • the cytidine analog is administered once per day for one week.
  • the cytidine analog is administered once per day for two weeks.
  • the cytidine analog is administered once per day for three weeks.
  • the cytidine analog is administered once per day for four weeks.
  • the cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein) is administered once per day for about 1 week, about 2 weeks, about 3 weeks, about 4 weeks, about 6 weeks, about 9 weeks, about 12 weeks, about 15 weeks, about 18 weeks, about 21 weeks, or about 26 weeks.
  • the cytidine analog is administered intermittently.
  • the cytidine analog is administered intermittently in the amount of between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day.
  • the cytidine analog is administered
  • the cytidine analog is administered continuously. In certain embodiments, the cytidine analog is administered continuously in the amount of between about 50 mg/m 2 /day and about 1 ,000 mg/m 2 /day. In certain embodiments, the cytidine analog is administered continuously in the amount of between about 100 mg/day and about 600 mg/day.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) is administered to a patient in cycles. Cycling therapy involves the administration of an active agent for a period of time, followed by a rest for a period of time, and repeating this sequential administration. Cycling therapy can reduce the development of resistance, avoid or reduce the side effects, and/or improves the efficacy of the treatment.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) is administered daily in single or divided doses for about 3 days, about 5 days, about one week, about two weeks, about three weeks, about four weeks, about five weeks, about six weeks, about seven weeks, about eight weeks, about ten weeks, about fifteen weeks, or about twenty weeks, followed by a rest period of about 1 day to about ten weeks.
  • the methods provided herein contemplate cycling treatments of about one week, about two weeks, about three weeks, about four weeks, about five weeks, about six weeks, about eight weeks, about ten weeks, about fifteen weeks, or about twenty weeks.
  • the cytidine analog is administered daily in single or divided doses for about 3 days, about 5 days, about one week, about two weeks, about three weeks, about four weeks, about five weeks, or about six weeks with a rest period of about 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 29, or 30 days.
  • the rest period is 1 day.
  • the rest period is 3 days.
  • the rest period is 7 days.
  • the rest period is 14 days.
  • the rest period is 28 days.
  • the frequency, number and length of dosing cycles can be increased or decreased.
  • the methods provided herein comprise: i) administering to the subject a first daily dose of a cytidine analog; ii) optionally resting for a period of at least one day where the cytidine analog is not administered to the subject; iii) administering a second dose of the cytidine analog to the subject; and iv) repeating steps ii) to iii) a plurality of times.
  • the first daily dose is between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day.
  • the second daily dose is between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day.
  • the first daily dose is between about 100 mg/day and about 1,000 mg/day.
  • the second daily dose is between about 100 mg/day and about 1,000 mg/day.
  • the first daily dose is higher than the second daily dose.
  • the second daily dose is higher than the first daily dose.
  • the rest period is 1 day, 2 days, 3 days, 5 days, 7 days, 10 days, 12 days, 13 days, 14 days, 15 days, 17 days, 21 days, or 28 days.
  • the cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) is administered continuously for between about 1 and about 52 weeks. In certain embodiments, the cytidine analog is administered continuously for about 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 months. In certain embodiments, the cytidine analog is administered continuously for about 7, about 14, about 21, about 28, about 35, about 42, about 84, or about 112 days. It is understood that the duration of the treatment may vary with the age, weight, and condition of the subject being treated, and may be determined empirically using known testing protocols or according to the professional judgment of the person providing or supervising the treatment. The skilled clinician will be able to readily determine, without undue experimentation, an effective drug dose and treatment duration, for treating an individual subject having a particular type of cancer.
  • certain embodiments herein provide oral formulations of cytidine analogs useful in methods relating to, e.g., permitting different dosing amounts and/or dosing periods; providing alternative pharmacokinetic profiles, pharmacodynamic profiles, and/or safety profiles; permitting the evaluation of long-term and/or maintenance therapies; providing treatment regimens that maximize demethylation and/or gene re-expression; providing treatment regimens that prolong continuous demethylation; providing new indications for cytidine analogs; and/or providing other potential advantageous benefits.
  • kits for treating, preventing, or managing pathophysiological conditions manifested by abnormal cell proliferation such as, for example, cancer, including hematological disorders and solid tumors, by orally administering a pharmaceutical formulation comprising a cytidine analog, such as, for example, 5- azacytidine, wherein the formulation releases the cytidine analog substantially in the stomach.
  • a pharmaceutical formulation comprising a cytidine analog, such as, for example, 5- azacytidine, wherein the formulation releases the cytidine analog substantially in the stomach.
  • Other embodiments herein provide methods of treating, preventing, or managing immune disorders.
  • the methods provided herein involve oral administering a formulation that effects an immediate release of the cytidine analog.
  • the cytidine analog and one or more therapeutic agents are coadministered to subjects to yield a synergistic therapeutic effect.
  • the co-administered agent may be a cancer therapeutic agent dosed orally or by injection.
  • methods provided herein for treating, preventing, or managing disorders related to abnormal cell proliferation comprise orally administering a formulation comprising a therapeutically effective amount of a cytidine analog.
  • a formulation comprising a therapeutically effective amount of a cytidine analog.
  • the therapeutically effective amount of the cytidine analog in the pharmaceutical formulation is an amount as disclosed herein.
  • the precise therapeutically effective amount of the cytidine analog in the pharmaceutical formulation will vary depending on, e.g., the age, weight, disease and/or condition of the subject.
  • the disorders related to abnormal cell proliferation include, but are not limited to, solid tumors, sarcoma, melanoma, carcinoma, adenocarcinoma, chordoma, breast cancer, colorectal cancer, ovarian cancer, lung cancer (e.g.
  • non-small-cell lung cancer and small-cell lung cancer testicular cancer, renal cancer, bladder cancer, pancreatic cancer, bone cancer, gastric cancer, head and neck cancer, prostate cancer, MDS, AML, ALL, CML, leukemia, chronic lymphocytic leukemia (CLL), lymphoma (including non-Hodgkin's lymphoma (NHL) and Hodgkin's lymphoma), and multiple myeloma (MM).
  • the disorder related to abnormal cell proliferation is a solid tumor.
  • the disorder related to abnormal cell proliferation is a relapsed or refractory solid tumor.
  • the disorder related to abnormal cell proliferation is MDS.
  • the disorder related to abnormal cell proliferation is AML.
  • the disorder related to abnormal cell proliferation is breast cancer.
  • the disorder related to abnormal cell proliferation is bladder cancer.
  • the disorder related to abnormal cell proliferation is head and neck cancer.
  • the disorder related to abnormal cell proliferation is pancreatic cancer.
  • the disorder related to abnormal cell proliferation is lung cancer (e.g., NSCLC or SCLC).
  • the disorder related to abnormal cell proliferation is ovarian cancer.
  • the disorder related to abnormal cell proliferation is colorectal cancer.
  • the disorder related to abnormal cell proliferation is skin cancer (e.g., melanoma).
  • the disorder related to abnormal cell proliferation is uterine cancer.
  • the disorder related to abnormal cell proliferation is sarcoma.
  • methods provided herein for treating, preventing, or managing disorders of abnormal cell proliferation comprise administering a cytidine analog orally.
  • methods provided herein for treating, preventing, or managing disorders of abnormal cell proliferation comprise administering a cytidine analog using at least two of IV, SC and oral administration methods.
  • particular embodiments herein provide administering an initial treatment cycle of a cytidine analog, such as, for example, 5-azacytidine, administered either SC or IV, followed by subsequent orally administered treatment cycles of the cytidine analog.
  • treatment cycles comprise multiple doses administered to a subject in need thereof over multiple days (e.g., 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 , 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 , or greater than 21 days), optionally followed by treatment dosing holidays (e.g., 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 , 12, 13, 14, or greater than 14 days).
  • Particular embodiments herein provide a treatment schedule comprising SC and/or IV administration for one, two, three, four, five, or more initial cycles, followed by oral administration for subsequent cycles.
  • SC administration for cycle 1 followed by oral administration for subsequent cycles.
  • the SC dose is about 75 mg/m 2 .
  • the oral dose is about 50 mg, about 60 mg, about 70 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 260 mg, about 280 mg, about 300 mg, about 320 mg, about 340 mg, about 350 mg, about 360 mg, about 380 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 600 mg, or greater than about 600 mg.
  • oral doses are calculated to achieve about 80%, 100%, or 120% of SC AUC.
  • methods of treating disorders of abnormal cell proliferation comprises orally administering a formulation comprising a cytidine analog (e.g., 5-azacytidine or another cytidine analog provided herein) as single or multiple daily doses.
  • a formulation comprising a cytidine analog is orally administered once per day, twice per day, three times per day, four times per day, or more than four times per day.
  • a formulation comprising a cytidine analog is administered using a treatment cycle comprising administration of about 50 mg, about 60 mg, about 70 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 260 mg, about 280 mg, about 300 mg, about 320 mg, about 340 mg, about 350 mg, about 360 mg, about 380 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 600 mg, about 700 mg, about 800 mg, about 900 mg, or about 1 ,000 mg of the cytidine analog once, twice, three, or four times per day for 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 , 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 , 22, 23, 24, 25, 26, 27, 28, 29, or 30 days.
  • the method of treating comprises continuous low-dose administration.
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog once per day for 7 or more days.
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog twice per day for 7 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog once per day for 14 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog twice per day for 14 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog once per day for 21 or more days.
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog twice per day for 21 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog three times per day for 7 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 200 mg of the cytidine analog three times per day for 14 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog once per day for 7 or more days.
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog twice per day for 7 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog once per day for 14 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog twice per day for 14 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog once per day for 21 or more days.
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog twice per day for 21 or more days. In certain embodiments, the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog three times per day for 7 or more days. In certain
  • the formulation comprising the cytidine analog is administered using a treatment cycle comprising administration of about 300 mg of the cytidine analog three times per day for 14 or more days.
  • methods provided herein comprise administering a formulation comprising a cytidine analog using one or more of the cycles provided herein, and repeating one or more of the cycles for a period of, e.g., about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, or greater than 12 months.
  • methods herein comprise administering particular oral formulations provided herein to, e.g., overcome limitations associated with IV or SC administration of cytidine analogs.
  • IV or SC administration may limit the ability to deliver a cytidine analog for longer periods of time on a regular basis, thereby potentially limiting the maximal efficacy of the cytidine analog.
  • Due to the difficulties of complying with the rigors of a prolonged IV or SC dosing schedule, prolonged SC or IV exposure to a cytidine analog may cause subjects ⁇ e.g., subjects with multiple cytopenias) to discontinue from the regimen. See, e.g., Lyons, R.M., et al,
  • methods provided herein comprise administering an oral formulation provided herein to overcome these or other limitations associated with SC or IV cytidine analog administration.
  • methods provided herein comprise administering daily to a subject an oral formulation provided herein for 7 or more, 8 or more, 9 or more, 10 or more, 11 or more, 12 or more, 13 or more, 14 or more, 15 or more, 16 or more, 17 or more, 18 or more, 19 or more, 20 or more, 21 or more, or 28 or more days.
  • Certain embodiments herein provide methods comprising administering oral formulations of cytidine analogs provided herein comprising delivering the cytidine analog ⁇ e.g., 5-azacytidine or another cytidine analog provided herein) at a lower dose over a more prolonged period of time, as compared to IV or SC administration.
  • such methods comprise managing dose-related cytopenias (including, e.g. , dose-related cytopenias associated with 5-azacytidine) by administering an oral formulation provided herein.
  • methods provided herein comprise administering an oral formulation provided herein to achieve an improved safety profile as compared to an IV or SC dose comprising the same cytidine analog.
  • certain embodiments provide methods for improved treatment of particular diseases or disorders (e.g. , treatment of solid tumors) by
  • certain methods herein provide administering oral formulations provided herein at lower doses for more prolonged periods of time, leading to improved demethylation.
  • certain methods provided herein comprise administering an oral formulation provided herein to treat a solid tumor while avoiding certain dose-limiting-toxicity-related side effects associated with dosing the cytidine analog via SC or IV administration.
  • An example of certain toxicity-related drawbacks associated with administration of a cytidine analog are described, e.g. , in K. Appleton et al., J. Clin. Oncol., Vol. 25(29):4603-4609 (2007), which is incorporated by reference herein in its entirety.
  • Particular embodiments herein provide methods for treating a subject having a disease or disorder provided herein by orally administering a pharmaceutical composition provided herein, wherein the treatment results in improved survival of the subject.
  • the improved survival is measured as compared to one or more conventional care regimens.
  • Particular embodiments herein provide methods for treating a subject having a disease or disorder provided herein by orally administering a pharmaceutical composition provided herein, wherein the treatment provides improved effectiveness.
  • the improved effectiveness is measured using one or more endpoints for cancer clinical trials, as recommended by the U.S. Food and Drug Administration (FDA).
  • FDA provides Guidance for Industry on Clinical Trial Endpoints for the Approval of Cancer Drugs and Biologies
  • the FDA endpoints include, but are not limited to, Overall Survival, Endpoints Based on Tumor Assessments such as (i) Disease- Free Survival (ii) Objective Response Rate, (iii) Time to Progression and Progression-Free Survival and (iv) Time-to-Treatment Failure.
  • Endpoints Involving Symptom Endpoints may include Specific Symptom Endpoints such as (i) Time to progression of cancer symptoms and (ii) A composite symptom endpoint. Biomarkers assayed from blood or body fluids may also be useful to determine the management of the disease.
  • the methods of treating disorders of abnormal cell proliferation comprise orally administering a formulation of a cytidine analog with food.
  • the methods of treating disorders of abnormal cell proliferation comprise orally administering a formulation of a cytidine analog without food.
  • pharmacological parameters e.g., Cmax, Tmax
  • the formulation of the cytidine analog is administered sublingually.
  • the cytidine analog e.g., 5-azacytidine or another cytidine analog provided herein, is not co-administered with a cytidine deaminase inhibitor.
  • the oral formulation comprising a cytidine analog as provided herein is not co-administered with THU.
  • a disease associated with abnormal cell proliferation comprising orally administering a cytidine analog provided herein for release substantially in the stomach, wherein the methods achieve a particular biological parameter provided herein (e.g., a particular Cmax value, Tmax value, and/or AUC value provided herein), and wherein the methods comprise not co-administering a cytidine deaminase inhibitor with the cytidine analog.
  • a particular biological parameter provided herein e.g., a particular Cmax value, Tmax value, and/or AUC value provided herein
  • Certain embodiments herein provide methods of treating a disease or disorder provided herein (e.g.
  • a disease associated with abnormal cell proliferation comprising orally administering a cytidine analog provided herein for release substantially in the stomach, wherein the methods avoid adverse effects associated with administering a cytidine deaminase inhibitor (e.g., THU) by not coadministering the cytidine deaminase inhibitor with the cytidine analog.
  • a cytidine deaminase inhibitor e.g., THU
  • a cytidine deaminase inhibitor (e.g., THU) is co-administered with the cytidine analog in an amount of, e.g., less than about 500 mg/d, less than about 200 mg/d, less than about 150 mg/d, less than about 100 mg/d, less than about 50 mg/d, less than about 25 mg/d, less than about 10 mg/d, less than about 5 mg/d, less than about 1 mg/d, or less than about 0.1 mg/d.
  • THU a cytidine deaminase inhibitor
  • Certain embodiments herein provide methods for delivering a cytidine analog to a subject comprising administering to the subject in need thereof an oral formulation comprising a cytidine analog.
  • oral formulations comprise (1) a therapeutically effective amount of a cytidine analog; and (2) an optional drug release controlling component capable of releasing the cytidine analog substantially in the stomach after a subject ingests the oral formulation comprising the cytidine analog.
  • Certain embodiments herein provide a method for enhancing the oral bioavailability of a cytidine analog in a subject.
  • Certain embodiments herein provide a method of increasing the oral bioavailability of a cytidine analog comprising orally administering a
  • a pharmaceutical composition provided herein is orally administered to a subject, contacts the biological fluids of the subject's body, and is absorbed in the upper gastrointestinal tract, such as, for example, substantially in the stomach.
  • Certain embodiments herein provide a method of achieving a particular exposure value provided herein by administering an oral formulation comprising a cytidine analog provided herein. Certain embodiments herein provide a method of achieving a particular oral bioavailability value provided herein by administering an oral formulation comprising a cytidine analog provided herein. Certain embodiments herein provide a method of achieving a particular AUC value provided herein by administering an oral formulation comprising a cytidine analog provided herein. Certain embodiments herein provide a method of achieving a particular Cmax value provided herein by administering an oral formulation comprising a cytidine analog provided herein. Certain embodiments herein provide a method of achieving a particular Tmax value provided herein by administering an oral formulation comprising a cytidine analog provided herein.
  • Certain embodiments herein provide methods of treating a condition involving undesirable or uncontrolled cell proliferation by administering an oral formulation comprising a cytidine analog as provided herein.
  • Such conditions include, e.g., benign tumors, various types of cancers such as primary tumors and tumor metastasis, solid tumors ⁇ e.g. , relapsed or refractory solid tumors), hematological disorders ⁇ e.g. leukemia, myelodysplasia syndrome and sickle cell anemia), restenosis ⁇ e.g.
  • abnormal stimulation of endothelial cells arteriosclerosis
  • insults to body tissue due to surgery abnormal wound healing
  • abnormal angiogenesis diseases that produce fibrosis of tissue, repetitive motion disorders, disorders of tissues that are not highly vascularized, and proliferative responses associated with organ transplants.
  • cells in a benign tumor retain their differentiated features and do not divide in a completely uncontrolled manner.
  • a benign tumor may be localized and/or nonmetastatic.
  • Specific types of benign tumors that can be treated using the methods, compositions, and formulations provided herein include, e.g., hemangiomas, hepatocellular adenoma, cavernous hemangioma, focal nodular hyperplasia, acoustic neuromas, neurofibroma, bile duct adenoma, bile duct cystanoma, fibroma, lipomas, leiomyomas, mesotheliomas, teratomas, myxomas, nodular regenerative hyperplasia, trachomas and pyogenic granulomas.
  • cells in a malignant tumor become
  • Malignant tumors may be invasive and capable of spreading to distant sites (metastasizing). Malignant tumors may be divided into two categories:
  • a secondary tumor or metastasis, is a tumor which is originated elsewhere in the body but has now spread to a distant organ.
  • the common routes for metastasis are direct growth into adjacent structures, spread through the vascular or lymphatic systems, and tracking along tissue planes and body spaces (peritoneal fluid, cerebrospinal fluid, etc.).
  • methylation can lead to the silencing of genes critical to cellular control ⁇ i.e., epigenetic gene silencing), and can be an early event in the development of malignant tumors including, e.g. , colorectal cancer or lung cancer.
  • malignant tumors including, e.g. , colorectal cancer or lung cancer.
  • methods herein provide using oral formulations provided herein to prevent or reverse epigenetic gene silencing, e.g. , by reversing abnormal DNA methylation.
  • oral formulations provided herein are used for early intervention to prevent the development of cancer in patients at risk of developing cancer, e.g. , familial polyposis or lung cancer, wherein a cause of the cancer is epigenetic gene silencing.
  • such early intervention would be impractical by means other than oral administration (e.g., IV or SC administration).
  • oral formulations provided herein are used for early intervention to prevent the recurrence of cancer in patients at risk for early relapse, e.g., colorectal cancer or non-small-cell lung cancer.
  • the early intervention is achieved via prolonged oral dosing schedules, using formulations and/or methods as described herein.
  • Certain embodiments provide methods for administering oral formulations provided herein to reverse the effect of gene silencing, e.g., in patients at risk of gene silencing due to epigenetic changes.
  • specific types of cancers or malignant tumors that can be treated using the methods, compositions, and formulations provided herein include, e.g., leukemia, lymphoma, breast cancer, skin cancer, bone cancer, prostate cancer, liver cancer, lung cancer (e.g.
  • non-small-cell lung cancer and small-cell lung cancer brain cancer, cancer of the larynx, gall bladder, pancreas, rectum, uterine, prostate, parathyroid, thyroid, adrenal, neural tissue, head and neck, colon, stomach, bronchi, kidney, or bladder, basal cell carcinoma, squamous cell carcinoma of both ulcerating and papillary type, melanoma, metastatic skin carcinoma, sarcoma, osteo sarcoma, Ewing's sarcoma, veticulum cell sarcoma, myeloma, multiple myeloma, giant cell tumor, gallstones, islet cell tumor, primary brain tumor, acute and chronic lymphocytic and granulocytic tumors, hairy-cell tumor, adenoma, hyperplasia, medullary carcinoma, pheochromocytoma, mucosal neuronmas, intestinal ganglioneuromas, hyperplastic corneal nerve tumor, marfanoid habitus tumor, Wil
  • specific types of cancers or malignant tumors that can be treated using the methods, compositions, and formulations provided herein include, e.g., Burkitt's lymphoma, Hodgkin's lymphoma, nasopharyngeal carcinoma, cervical carcinoma, head and neck squamous cell carcinoma, Merkel cell tumors, adenocarcinoma of the colon, pancreatic cancer, gall bladder adenocarcinoma, pancreatic adenocarcinoma, sigmoid colon adenocarcinoma, metastatic pancreatic adenocarcinoma, endometrial carcinoma, ovarian cancer, pancreatic carcinoma, metastatic ovarian carcinoma, gastrointestinal stromal tumor, metastatic colorectal cancer, breast ductal carcinoma, nonsmall cell adenocarcinoma of the lung, papillary serous endocervical adenocarcinoma, endometroid type well-
  • Particular embodiments herein provide using the methods, compositions, and formulations provided herein to treat abnormal cell proliferation due to, e.g., insults to body tissue during surgery for a variety of surgical procedures, including, e.g., joint surgery, bowel surgery, and cheloid scarring.
  • Proliferative responses associated with organ transplantation that may be treated using the methods, compositions, and formulations provided herein include those proliferative responses contributing to potential organ rejections or associated complications. Specifically, these proliferative responses may occur during transplantation of the heart, lung (e.g., non-small-cell lung cancer and small- cell lung cancer), liver, kidney, and other body organs or organ systems.
  • the amount of the cytidine analog in the oral formulations provided herein, the methods of administration thereof, or the methods of treatment as set forth herein is a specific dosage amount as provided herein.
  • appropriate biomarkers may be used to determine or predict the effect of the methods provided herein on the disease state and to provide guidance as to the dosing schedule.
  • particular embodiments herein provide a method for determining whether a patient diagnosed with cancer has an increased probability of obtaining a greater benefit from treatment with a pharmaceutical composition comprising a cytidine analog, e.g., by assessing the patient's nucleic acid methylation status.
  • the cytidine analog is 5-azacytidine.
  • the cytidine analog is decitabine.
  • the nucleic acid is DNA or RNA.
  • the greater benefit is an overall survival benefit.
  • the methylation status is examined in one or more genes, e.g., genes associated with the particular cancer.
  • genes e.g., genes associated with the particular cancer.
  • Specific embodiments involve methods for determining whether baseline DNA methylation levels influence overall survival in patients with cancer treated with a cytidine analog, such as 5-azacytidine or decitabine.
  • Specific embodiments provide methods for determining whether gene promoter methylation levels influence overall survival in patients with cancer.
  • provided herein is a method for determining whether a patient diagnosed with cancer has an increased probability of obtaining a greater benefit from treatment with a pharmaceutical composition comprising a cytidine analog by assessing the gene expression profile in the patient.
  • the cytidine analog is 5-azacytidine.
  • the cytidine analog is decitabine.
  • the greater benefit is an overall survival benefit.
  • appropriate biomarkers may be used to determine or predict the effect of the pharmaceutical compositions comprising cytidine analogs on the disease state and to provide guidance to the dosing schedule.
  • particular embodiments herein provide a method of determining whether a patient diagnosed with a solid tumor, leukemia, lymphoma, multiple myeloma, MDS, or AML, has an increased probability of obtaining a greater benefit from treatment with a pharmaceutical composition comprising a cytidine analog by assessing the patient's nucleic acid methylation status.
  • the cytidine analog is azacitidine.
  • the cytidine analog is decitabine.
  • the nucleic acid is DNA or RNA.
  • the greater benefit is an overall survival benefit.
  • the methylation status is examined in one or more genes, e.g., genes associated with the solid tumor, leukemia, lymphoma, multiple myeloma, MDS, or AML.
  • genes associated with the solid tumor e.g., genes associated with the solid tumor, leukemia, lymphoma, multiple myeloma, MDS, or AML.
  • Specific embodiments involve methods for determining whether baseline DNA methylation levels influence overall survival in patients treated with azacitidine.
  • Specific embodiments involve methods for determining whether baseline DNA methylation levels influence overall survival in patients treated with decitabine.
  • Specific embodiments provide methods for determining whether gene promoter methylation levels influence overall survival in patients.
  • specific embodiments herein provide methods for evaluating the influence of gene methylation on prolonged survival in patients with a solid tumor (e.g., a relapsed or refractory solid tumor).
  • a solid tumor e.g., a relapsed or refractory solid tumor.
  • such evaluation is used to predict overall survival in patients with a solid tumor, e.g., upon treatment with a pharmaceutical composition comprising a cytidine analog, as provided herein.
  • such evaluation is used for therapeutic decision-making.
  • such therapeutic decision-making includes planning or adjusting a patient's treatment, e.g., the dosing regimen, amount, and/or duration of administration of the cytidine analogue.
  • Certain embodiments provide methods of identifying individual patients diagnosed with a solid tumor having an increased probability of obtaining an overall survival benefit from cytidine analog treatment, using analysis of methylation levels, e.g. , in particular genes.
  • lower levels of nucleic acid methylation are associated with an increased probability of obtaining improved overall survival following treatment with a cytidine analog.
  • higher levels of nucleic acid methylation are associated with an increased probability of obtaining improved overall survival following treatment with a cytidine analog.
  • a particular pattern or signature of nucleic acid methylation of multiple genes are associated with an increased probability of obtaining improved overall survival following treatment with a cytidine analog.
  • the increased probability of obtaining improved overall survival following treatment is at least a 5% greater probability, at least a 10% greater probability, at least a 20% greater probability, at least a 30% greater probability, at least a 40% greater probability, at least a 50% greater probability, at least a 60% greater probability, at least a 70% greater probability, at least an 80% greater probability, at least a 90% greater probability, at least a 100% greater probability, at least a 125% greater probability, at least a 150% greater probability, at least a 175% greater probability, at least a 200% greater probability, at least a 250% greater probability, at least a 300% greater probability, at least a 400% greater probability, or at least a 500% greater probability of obtaining improved overall survival following treatment, e.g., using a pharmaceutical composition comprising a cytidine analog as provided herein.
  • the greater probability of obtaining improved overall survival following treatment is a greater probability as compared to the average probability of a particular comparison population of patients.
  • nucleic acid e.g. , DNA or RNA
  • DNA hypermethylation status may be determined by any method known in the art.
  • DNA hypermethylation status may be determined using the bone marrow aspirates of patients diagnosed with cancer, e.g. , by using quantitative real-time methylation specific PCR ("qMSP").
  • the methylation analysis may involve bisulfite conversion of genomic DNA.
  • bisulfite treatment of DNA is used to convert non-methylated CpG sites to UpG, leaving methylated CpG sites intact. See, e.g., Frommer, M., et al, Proc. Nat'l Acad. Sci. USA 1992, 89:1827- 31.
  • kits may be used for such bisulfite treatment.
  • primers are designed as known in the art, e.g. , outer primers which amplify DNA regardless of methylation status, and nested primers which bind to methylated or non-methylated sequences within the region amplified by the first PCR. See, e.g., Li et al, Bioinformatics 2002, 18: 1427-31.
  • probes are designed, e.g., probes which bind to the bisulfite-treated DNA regardless of methylation status.
  • CpG methylation is detected, e.g., following PCR amplification of bisulfite-treated DNA using outer primers.
  • amplified product from the initial PCR reaction serves as a template for the nested PCR reaction using methylation- specific primers or non-methylation-specific primers.
  • a standard curve is established to determine the percentage of methylated molecules in a particular sample.
  • statistical analyses are performed to assess the influence of particular methylation levels with the potential benefit of treatment with a particular pharmaceutical composition comprising a cytidine analog.
  • the influence of methylation on overall survival is assessed, e.g., using Cox proportional hazards models and Kaplan-Meier (KM) methodology.
  • any gene associated with a particular solid tumor, leukemia, lymphoma, multiple myeloma, MDS, or AML may be examined for its methylation status in a patient.
  • Particular genes associated with a solid tumor, leukemia, lymphoma, multiple myeloma, MDS, or AML, which would be suitable for use in the methods disclosed here, may be known in the art.
  • a method of identifying a subject who is likely to be responsive to a treatment described herein comprising: (a) determining the level of a biomarker in a biological sample from the subject, wherein the biomarker is described herein; and (b) comparing the level of the biomarker in the biological sample to a reference level of the biomarker; wherein the subject is likely to be responsive to the treatment if the level of the biomarker in the biological sample from the subject is altered ⁇ e.g., high or low) as compared to the reference level of the biomarker.
  • a method of identifying a subject who is likely to be responsive to a treatment described herein comprising: (a) determining the level of a biomarker in a biological sample from the subject, wherein the biomarker is described herein; (b) determining the level of the biomarker in a control sample; and (c) comparing the level of the biomarker in the biological sample from the subject to the level of the biomarker in the control sample; wherein the subject is likely to be responsive to the treatment if the level of the biomarker in the biological sample from the subject is altered ⁇ e.g., high or low) as compared to the level of the biomarker in the control sample.
  • a method of identifying a subject who is likely to be responsive to a treatment described herein comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; and (c) comparing the level of the biomarker in the biological sample to a reference level of the biomarker;
  • the subject is likely to be responsive to the treatment if the level of the biomarker in the biological sample from the subject is altered (e.g., high or low) as compared to the reference level of the biomarker.
  • a method of identifying a subject who is likely to be responsive to a treatment described herein comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; (c) determining the level of the biomarker in a control sample; and (d) comparing the level of the biomarker in the biological sample from the subject to the level of the biomarker in the control sample;
  • the subject is likely to be responsive to the treatment if the level of the biomarker in the biological sample from the subject is altered (e.g., high or low) as compared to the level of the biomarker in the control sample.
  • a method of predicting the responsiveness of a subject to a treatment described herein comprising: (a) determining the level of a biomarker in a biological sample from the subject, wherein the biomarker is described herein; and (b) comparing the level of the biomarker in the biological sample to a reference level of the biomarker; wherein the difference between the level of the biomarker in the biological sample from the subject and the reference level of the biomarker (e.g., higher or lower) correlates with the responsiveness of the subject to the treatment.
  • a method of predicting the responsiveness of a subject to a treatment described herein comprising: (a) determining the level of a biomarker in a biological sample from the subject, wherein the biomarker is described herein; (b) determining the level of the biomarker in a control sample; and (c) comparing the level of the biomarker in the biological sample from the subject to the level of the biomarker in the control sample; wherein the difference between the level of the biomarker in the biological sample from the subject and the level of the biomarker in the control sample (e.g., higher or lower) correlates with the responsiveness of the subject to the treatment.
  • a method of predicting the responsiveness of a subject to a treatment described herein comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; and (c) comparing the level of the biomarker in the biological sample to a reference level of the biomarker; wherein the difference between the level of the biomarker in the biological sample from the subject and the reference level of the biomarker (e.g., higher or lower) correlates with the
  • a method of predicting the responsiveness of a subject to a treatment described herein comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; (c) determining the level of the biomarker in a control sample; and (d) comparing the level of the biomarker in the biological sample from the subject to the level of the biomarker in the control sample;
  • the difference between the level of the biomarker in the biological sample from the subject and the level of the biomarker in the control sample correlates with the responsiveness of the subject to the treatment.
  • a method of monitoring the efficacy of a treatment described herein comprising: (a) obtaining a first biological sample from the subject; (b) determining the level of a biomarker in the first biological sample, wherein the biomarker is described herein; (c) administering the treatment compound to the subject; (d) thereafter obtaining a second biological sample from the subject; (e)
  • the subject is responsive to the treatment if the level of the biomarker in the second biological sample of the subject is altered (e.g., high or low) as compared to the level of the biomarker in the first biological sample of the subject.
  • a method of monitoring the compliance of a subject with a treatment described herein comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; and (c) comparing the level of the biomarker with the level of the biomarker in a control sample from the subject; wherein the change in the level of the biomarker in the biological sample in comparison with the level of the biomarker in the control sample (e.g., high or low) indicates the compliance of the subject with the treatment.
  • a biological sample from the subject comprising: (a) obtaining a biological sample from the subject; (b) determining the level of a biomarker in the biological sample, wherein the biomarker is described herein; and (c) comparing the level of the biomarker with the level of the biomarker in a control sample from the subject; wherein the change in the level of the biomarker in the biological sample in comparison with the level of the biomarker in
  • methods provided herein for treating cancer comprise co-administering a cytidine analog, such as, for example, 5-azacytidine, with one or more therapeutic agents, such as, for example, cancer therapeutic agents, to yield a synergistic therapeutic effect.
  • a cytidine analog such as, for example, 5-azacytidine
  • therapeutic agents such as, for example, cancer therapeutic agents
  • the co-administered therapeutic agent is provided herein above (e.g., one or more of the additional therapeutic agent described herein).
  • the co-administered therapeutic agents include, but are not limited to, e.g., cytotoxic agents, anti-metabolites, antifolates, DNA intercalating agents, DNA cross-linking agents, DNA alkylating agents, DNA cleaving agents, topoisomerase inhibitors, HDAC inhibitors such as MGCD0103 (a.k.a.
  • the coadministered therapeutic agent is
  • the co-administered therapeutic agent is paclitaxel (e.g., Abraxane ® ). See, e.g., U.S. Patent Nos. 7,758,891, 7,771,751, 7,820,788, 7,923,536, 8,034,375; U.S. Patent Publication No. 2010/0048499; all of which are incorporated herein by reference in their entireties.
  • the co-administered agent may be dosed, e.g., orally or by injection.
  • the cytidine analog is administered orally. In another embodiment, the cytidine analog is administered
  • the cytidine analog is
  • the cytidine analog and a second therapy are administered by the same mode of administration, e.g. , orally, intravenously, or subcutaneously.
  • the cytidine analog is administered by one mode of administration, e.g., orally, whereas the second agent (e.g., an anticancer agent) is administered by another mode of administration, e.g. , intravenously or subcutaneously.
  • the cytidine analog is administered by one mode of administration, e.g., intravenously or subcutaneously, whereas the second agent (e.g. , an anticancer agent) is administered by another mode of administration, e.g. , orally.
  • each method provided herein may independently, further comprise the step of administering a second therapeutic agent.
  • the second therapeutic agent is an anticancer agent.
  • the anticancer agent is an antimetabolite, including, but not limited to, 5-fluoro uracil, methotrexate, cytarabine, high dose cytarabine, and fludarabine.
  • the anticancer agent is an antimicrotubule agent, including, but not limited to, vinca alkaloids (e.g., vincristine and vinblastine) and taxanes (e.g., paclitaxel, e.g., Abraxane ® , and docetaxel).
  • the anticancer agent is an alkylating agent, including, but not limited to, cyclophosphamide, melphalan, carmustine, and nitrosoureas (e.g., hydroxyurea and bischloroethylnitrosurea).
  • the anticancer agent is a platinum agent, including, but not limited to, cisplatin, carboplatin, oxaliplatin, satraplatin (JM-216), and CI-973.
  • the anticancer agent is an anthracycline, including, but not limited to, doxrubicin and daunorubicin.
  • the anticancer agent is an antitumor antibiotic, including, but not limited to, mitomycin, idarubicin, adriamycin, and daunomycin (also known as daunorubicin).
  • the anticancer agent is a topoisomerase inhibitor, e.g., etoposide and camptothecins.
  • the anticancer agent is selected from the group consisting of adriamycin, busulfan, cytarabine, cyclophosphamide, dexamethasone, fludarabine, fluorouracil, hydroxyurea, interferons, oblimersen, platinum derivatives, taxol, topotecan, and vincristine.
  • other therapies or anticancer agents that may be used in combination with the cytidine analog include surgery, radiotherapy (e.g. , gamma- radiation, neutron beam radiotherapy, electron beam radiotherapy, proton therapy, brachytherapy, and systemic radioactive isotopes), endocrine therapy, biologic response modifiers (e.g., interferons, interleukins, and tumor necrosis factor (TNF)), hyperthermia and cryotherapy, agents to attenuate any adverse effects (e.g., antiemetics), and other approved chemotherapeutic drugs, including, but not limited to, alkylating drugs
  • methylation-based silencing of specific genes limits the anti-tumor effects of cytotoxic agents.
  • a cytidine analog such as, for example, 5-azacytidine or decitabine
  • can sensitize tumors to the effects of chemotherapy e.g., the effect of an anti-cancer agent.
  • the epigenetic effect of a cytidine analog such as, for example, 5-azacytidine or decitabine, restores chemo-sensitivity of cancer cells, after the cancer cells are contacted with the cytidine analog for a period of time.
  • a cytidine analog is administered to a subject in need thereof for a sustained period of time (e.g., multiple doses or multiple treatment cycles) before the subject is treated with an additional therapeutic agent (e.g., an anti-cancer agent) to yield a greater synergistic therapeutic effect and/or a reduced toxicity effect.
  • an additional therapeutic agent e.g., an anti-cancer agent
  • co- administration of a cytidine analog and certain anti-cancer agent e.g. , a cytotoxic agent from the first day of therapy may produce increased toxicity without added anti-tumor effects.
  • sustained exposure of a subject to a cytidine analog e.g., 5-azacytidine or decitabine or another cytidine analog provided herein
  • an additional therapeutic agent e.g., a cytotoxic agent
  • a synergistic therapeutic effect e.g., sensitization of cancer cells to the cytotoxic agent
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 100 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 100 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 100 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 100 mg/day for 28 days or more before a second therapeutic agent is administered to the subject. In particular embodiments, 5-azacytidine is administered orally to a subject in need thereof at a dose of about 150 mg/day for 7 days or more before a second therapeutic agent is administered to the subject. In particular embodiments, 5-azacytidine is administered orally to a subject in need thereof at a dose of about 150 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 150 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 150 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 200 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 200 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 200 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 200 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 250 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 250 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 250 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 250 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 300 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 300 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 300 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 300 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 350 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 350 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 350 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 350 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 400 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 400 mg/day for 14 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 400 mg/day for 21 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 400 mg/day for 28 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 450 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 480 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • 5-azacytidine is administered orally to a subject in need thereof at a dose of about 500 mg/day for 7 days or more before a second therapeutic agent is administered to the subject. In particular embodiments, 5-azacytidine is administered orally to a subject in need thereof at a dose of about 600 mg/day for 7 days or more before a second therapeutic agent is administered to the subject.
  • the administration of the cytidine analog is continued for 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, or more than 28 days; optionally followed with a resting period from the administration of the cytidine analog of about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 21, 28, or more than 28 days.
  • the second therapeutic agent is administered cyclically, after the first dose.
  • the methods provided herein comprise: i) administering to the subject a first daily dose of the second therapeutic agent; ii) optionally resting for a period of at least one day where the second therapeutic agent is not administered to the subject; iii) administering a second dose of the second therapeutic agent to the subject; and iv) repeating steps ii) to iii) a plurality of times.
  • the first daily dose is between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day.
  • the second daily dose is between about 50 mg/m 2 /day and about 2,000 mg/m 2 /day.
  • the first daily dose is between about 50 mg/m 2 /day and about 200 mg/m 2 /day. In certain embodiments, the second daily dose is between about 50 mg/m 2 /day and about 200 mg/m 2 /day. In certain embodiments, the first daily dose is between about 100 mg/day and about 1,000 mg/day. In certain embodiments, the second daily dose is between about 100 mg/day and about 1,000 mg/day. In certain embodiments, the first daily dose is higher than the second daily dose. In certain embodiments, the second daily dose is higher than the first daily dose. In certain embodiments, the second daily dose and the first daily dose are the same.
  • the rest period is 1 day, 2 days, 3 days, 4 days, 5 days, 6 days, 7 days, 8 days, 9 days, 10 days, 11 days, 12 days, 13 days, 14 days, 15 days, 16 days, 17 days, 18 days, 19 days, 20 days, 21 days, or 28 days.
  • the rest period is at least 2 days and steps ii) through iii) are repeated at least three times.
  • the rest period is at least 2 days and steps ii) through iii) are repeated at least five times.
  • the rest period is at least 3 days and steps ii) through iii) are repeated at least three times.
  • the rest period is at least 3 days and steps ii) through iii) are repeated at least five times. In one embodiment, the rest period is at least 7 days and steps ii) through iii) are repeated at least three times. In one embodiment, the rest period is at least 7 days and steps ii) through iii) are repeated at least five times. In one embodiment, the rest period is at least 14 days and steps ii) through iii) are repeated at least three times. In one embodiment, the rest period is at least 14 days and steps ii) through iii) are repeated at least five times. In one embodiment, the rest period is at least 21 days and steps ii) through iii) are repeated at least three times.
  • the rest period is at least 21 days and steps ii) through iii) are repeated at least five times. In one embodiment, the rest period is at least 28 days and steps ii) through iii) are repeated at least three times. In one embodiment, the rest period is at least 28 days and steps ii) through iii) are repeated at least five times.
  • 5-azacytidine is administered orally for 7 days out of a 28-day cycle. In one embodiment, 5-azacytidine is administered orally for 14 days out of a 28-day cycle. In one embodiment, 5-azacytidine is administered orally for 21 days out of a 28-day cycle. In one embodiment, 5-azacytidine is administered orally for 7 days out of a 21-day cycle. In one embodiment, 5-azacytidine is administered orally for 14 days out of a 21 -day cycle. In one embodiment, 5-azacytidine is administered orally for 21 days out of a 21 -day cycle. In one embodiment, 5-azacytidine is administered orally once daily.
  • 5-azacytidine is administered orally twice daily. In one embodiment, 5- azacytidine is administered orally once daily in an amount of about 50 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 50 mg/day. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 50 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 50 mg/day for 7, 14, or 21 days. In one
  • 5-azacytidine is administered orally once daily in an amount of about 50 mg/day for more than 21 days. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 100 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 100 mg/day. In one embodiment, 5- azacytidine is administered orally once daily in an amount of about 100 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 100 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is
  • 5-azacytidine is administered orally once daily in an amount of about 100 mg/day for more than 21 days. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 150 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 150 mg/day. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 150 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 150 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 150 mg/day for more than 21 days.
  • 5-azacytidine is administered orally once daily in an amount of about 200 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 200 mg/day. In one embodiment, 5- azacytidine is administered orally once daily in an amount of about 200 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 200 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is
  • 5-azacytidine is administered orally once daily in an amount of about 200 mg/day for more than 21 days. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 250 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 250 mg/day. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 250 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 250 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally once daily in an amount of about 250 mg/day for more than 21 days.
  • 5-azacytidine is administered orally once daily in an amount of about 300 mg/day. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 300 mg/day. In one embodiment, 5- azacytidine is administered orally once daily in an amount of about 300 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is administered orally twice daily in an amount of about 300 mg/day for 7, 14, or 21 days. In one embodiment, 5-azacytidine is
  • 5-azacytidine is administered continuously for 14 days, followed with a 7-day resting period.
  • Particular embodiments herein provide methods of treating diseases or disorders disclosed herein (e.g., diseases or disorders involving abnormal cell proliferation), wherein the methods comprise co-administering an oral formulation disclosed herein, such as, for example, an oral formulation comprising 5-azacytidine or another cytidine analog provided herein, with one or more additional therapeutic agents (such as, for example, a cancer therapeutic agent) to yield a synergistic therapeutic effect.
  • an oral formulation disclosed herein such as, for example, an oral formulation comprising 5-azacytidine or another cytidine analog provided herein
  • additional therapeutic agents such as, for example, a cancer therapeutic agent
  • the co-administered therapeutic agent is carboplatin.
  • the co-administered therapeutic agent is paclitaxel (e.g., Abraxane®).
  • the additional therapeutic agent is co-administered in an amount that is a therapeutically effective amount.
  • the additional therapeutic agent is co-administered in a separate dosage form from the cytidine analog dosage form with which it is co-administered.
  • the additional therapeutic agent is co-administered in a dosage form (e.g., a single unit dosage form) together with the cytidine analog with which it is co-administered.
  • the cytidine analog and the additional therapeutic agent may be co-formulated together in the same dosage form using methods of co-formulating active pharmaceutical ingredients, including methods disclosed herein and methods known in the art.
  • a cytidine analog is administered to a subject in need thereof, for a sustained period of time (e.g., for 1 , 2, 3, 4, 5, 6, 7, or more than 7 days) before one or more additional therapeutic agent(s) is/are administered to the subject.
  • a sustained period of time e.g., for 1 , 2, 3, 4, 5, 6, 7, or more than 7 days
  • additional therapeutic agent(s) is/are administered to the subject.
  • provided herein are methods of treating diseases or disorders disclosed herein (e.g.
  • diseases or disorders involving abnormal cell proliferation such as a relapsed or refractory solid tumor
  • the methods comprise: (i) first administering a cytidine analog orally to a subject in need thereof, for 1 , 2, 3, 4, 5, 6, 7, or more than 7 days; and (ii) administering an additional therapeutic agent (e.g., an anti-cancer agent provided herein, such as, carboplatin or paclitaxel, e.g., Abraxane®) for one or more days.
  • the second step comprises continued administration of the cytidine analog orally for one or more additional days (e.g., for 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 1 1 , 12, 13, 14, or more than 14 days).
  • MTD Maximal Tolerated Dose
  • MAD Maximal Administered Dose
  • CBDCA carboplatin
  • ABX paclitaxel protein-bound particles
  • the study was an open-label, 3-arm, multi-center, dose-escalation study of oral azacitidine in combination with either CBDCA (Arm A), ABX (Arm B), or as a single agent (Arm C) in subjects with relapsed or refractory solid tumors (Part 1).
  • Subjects were assigned to each study Arm at the discretion of the investigator.
  • a minimum of 6 subjects were assigned to each study Arm when a dose level (DL) became open for enrollment. If one (1) or zero (0) out of six (6) subjects in a DL experienced dose limiting toxicity (DLT), the dose of oral azacitidine was escalated in the successive DL.
  • DL dose level
  • DLT dose limiting toxicity
  • Part 2 dose A limited number of oral azacitidine DLs were explored to arrive at a recommended Part 2 dose (RP2D) of oral azacitidine for each study Arm.
  • the RP2D may be the MTD, MAD, or a lower dose depending on the tolerability, PK, and PD observed.
  • Part 1 was followed by expansion cohorts at the RP2D in specific tumor types (Part 2). Approximately 60 subjects were enrolled in Part 1, and approximately 100 subjects were enrolled in Part 2. Safety, efficacy, pharmacokinetics, and pharmacodynamics data were evaluated.
  • Subjects may continue to receive their assigned combination treatment if they have no unacceptable toxicity and if there is no clinical or radiographic evidence of disease progression or the investigator deems that the subject is deriving potential benefit. If combination treatment is suspended for unacceptable toxicity that is believed to be related to CBDCA in Arm A or ABX in Arm B, subjects may continue to take single agent oral azacitidine at their assigned DL once the toxicity resolves to at least grade 1. Subjects in Arm C receive single agent oral azacitidine in all Cycles up to approximately 1 year from the start of therapy or until they experience unacceptable toxicity or progressive disease, as assessed by the investigator, whichever occurs first. Escalation of the oral azacitidine dose continues independently in each Arm until the RP2D of oral azacitidine as a single agent and in combination with CBDCA and ABX is defined. The RP2D may be different for each study Arm.
  • Part 2 Design Expansion cohorts of up to 20 subjects for each of several specific tumor types are enrolled at the RP2D for each Arm. In addition to further exploring the safety and PD activity of oral azacitidine alone and in combination with CBDCA or ABX in specific tumor types, this part of the study is designed to make an initial assessment of anti-tumor activity and its potential association with candidate predictive biomarkers. Tumor biopsies are performed in Part 2.
  • Study Population Men and women, 18 years or older, with histological or cytological confirmation of advanced unresectable solid tumors, including those who have progressed on (or not been able to tolerate) standard anti-cancer therapy, or for whom no other known effective therapy exists, or for those who have declined standard therapy.
  • Part 1 Subjects receive oral azacitidine as a single agent for the first 7 days of study. Beginning on Cycle 1, Day 8, subjects in Arms A and B begin combination treatment with CBDCA or ABX, respectively. Subjects may continue to receive their assigned combination until they experience disease progression or unacceptable toxicity, whichever occurs first. Subjects in Arm C receive single agent oral azacitidine in all Cycles until they experience unacceptable toxicity or progressive disease, whichever occurs first.
  • DL1 Dose Level 1
  • DL2 Dose Level 2
  • MTD maximum tolerated dose
  • subjects receive a dose of a prophylactic antiemetic, for example, a 5-HT3 antagonist, prior to each dose of oral azacitidine.
  • a prophylactic antiemetic for example, a 5-HT3 antagonist
  • Part 2 Subjects in Part 2 of the study receive oral azacitidine alone (Arm
  • All treatment Cycles in Part 2 are 21 days in duration. Each specific tumor type in Part 2 receives treatment according to one of the three Arms. About 14 to 20 patients are enrolled per tumor type.
  • Table 2 Oral Azacitidine and Abraxane® (ABX) Dose Levels for Arm B Days 1-14, Days 8, 15 Days 1-7, Days 1, 8 Days 1-7, Days 1, 8
  • the primary efficacy variables are tumor response at the end of treatment, and the proportion of subjects alive and progression-free (progression-free survival; PFS) at the end of Cycle 6.
  • Tumor response is based on
  • Safety assessments include adverse events (AEs), physical examinations (PEs), (including height and body weight); vital signs (including systolic/diastolic blood pressure [BP], pulse rate, respiratory rate, and oral temperature); Eastern Cooperative Oncology Group (ECOG) performance status; 12-lead
  • ECG electrocardiogram
  • CBC complete blood count
  • WBC white blood cell
  • coagulation international normalized ratio [INR], prothrombin time [PT], and partial thromboplastin time [PTT]
  • serum chemistry non-fasting (including albumin, alkaline phosphatase, bicarbonate, blood urea nitrogen [BUN], calcium, chloride, creatinine, glucose, lactic dehydrogenase [LDH], phosphorus, potassium, aspartate aminotransferase [AST], alanine aminotransferase [ALT], sodium, total bilirubin, total protein, and uric acid); screening serum pregnancy test
  • the following endpoints are collected: (1) change from baseline (Cycle 1 Day 1 pre-dose) in DNA methylation (global and gene-specific assays) in whole blood and tumor tissue (as available in Part 1); (2) reduction from baseline (Cycle 1 Day 1 predose) in DNMT1 protein levels in tumor tissue (as available in Part 1).
  • Anti-tumor activity endpoints using tumor-specific response criteria for each tumor type include: (1) response rate and duration of response; and (2) progression-free survival (PFS).
  • Molecular characteristics of the blood and tumor including, but not limited to, DNA/RNA methylation, gene sequence and mRNA/miRNA expression, may be evaluated at baseline and post-therapy for examination in relation to tumor responses.
  • GFR Glomerular Filtration Rate
  • IDMS-traceable MDRD study equation calculator is for use with Scr reported in mg/dL:
  • CBDCA dose (mg) 4 (GFR + 25)
  • oral azacitidine is not administered on Day 8 so that the PK profile of CBDCA alone can be established.
  • subjects return to the clinic for CBDCA PK sampling approximately 24 hours after the end of the initial infusion and before administration of oral azacitidine.
  • subjects receive their dose of oral azacitidine at their assigned DL in the clinic.
  • subjects self- administer oral azacitidine.
  • Subjects return to the clinic on Cycle 1 Day 15 for blood PD sampling (mandatory) and tumor biopsy (optional).
  • On Days 15 through 21 no study medication is administered (except for subjects in DL-2, who self-administer oral azacitidine daily).
  • subjects return to clinic for administration of oral azacitidine with predose blood collection (mandatory) for PD analysis.
  • subjects self-administer oral azacitidine daily according to their assigned DL ( Figure 1).
  • Part 1/Arm B Subjects in Arm B receive their first dose of oral azacitidine at their assigned DL in the clinic on Cycle 1 Day 1 along with PK (predose through 8 hours post-dose oral azacitidine) and PD blood sampling.
  • PK predose through 8 hours post-dose oral azacitidine
  • Subjects return to the clinic on Days 16, 17, and 18 for ABX PK sampling approximately 24, 48 and 72 hours from the end of the ABX infusion.
  • On Days 15 through 21 no oral azacitidine is administered (except for subjects assigned to DL-2 who self-administer oral azacitidine daily according to their assigned DL on Days 19 through 21).
  • oral azacitidine is not administered on Days 15 through 18 of Cycle 1 for subjects in DL-2 so that the PK profile of ABX alone can be established.
  • subjects return to the clinic for oral azacitidine followed by ABX 100 mg/m 2 i.v. in the clinic after obtaining predose blood (mandatory) PD sampling.
  • the start of Cycle 2 may be delayed for up to 7 days to allow the hematologic counts to recover. If recovery has not occurred after 7 days, this is considered a DLT.
  • Subjects may continue to receive their assigned combination treatment if they have no unacceptable toxicity and if there is no clinical or radiographic evidence of disease progression. If combination treatment is suspended for unacceptable toxicity that is believed to be related to ABX, subjects may continue to take single agent oral azacitidine at their assigned DL once the toxicity resolves.
  • Part 1/Arm C Subjects in Arm C receive their first dose of oral azacitidine at their assigned DL in the clinic on Cycle 1 Day 1. Predose tumor collection (optional) accompanies oral azacitidine on Cycle 1 Days 1 and 15. Pre-dose PD blood collection (mandatory) accompanies oral azacitidine dosing on Cycle 1 Days 1 , 8, and 15 and Cycle 2 Day 1. On Days 2 through 7, 9 through 14 and 16 through 21 of each Cycle, subjects self-administer oral azacitidine at their assigned DL; subjects in DL-1 and DL-2 only self-administer oral azacitidine Days 2 through 7 and 9 through 14 ( Figure 3).
  • Grade 3 that is believed to be related to oral azacitidine or to the combination of oral azacitidine with CBDCA or ABX with the following exceptions: (1) Grade 3 emesis that responds to optimal antiemetic therapy within 72 hours; (2) Grade 3 diarrhea that responds to optimal medical management within 72 hours; (3) Alopecia of any grade; (4) Grade 3 fatigue in a subject who had Grade 2 fatigue at study entry and that recovers to baseline grade or less within 72 hours; and (5) Grade 3 or 4 laboratory abnormalities that are not accompanied by clinical signs or symptoms and are not believed by the investigator to be medically significant.
  • hematologic toxicities are considered DLT: (1) Grade 4 neutropenia lasting > 7 days or accompanied by fever; (2) Grade 3 thrombocytopenia with clinically significant bleeding; and (3) Failure to meet hematologic criteria for starting Cycle 2 within 7 days of Cycle 1 Day 28.
  • DLT-evaluable Subjects To be evaluable for DLT for the purpose of dose escalation decisions, a subject must meet one of the following conditions: (1) Experienced a DLT during Cycle 1 ; or (2) Did not receive Cycle 2 Day 1 treatment due solely to not meeting hematologic criteria within 7 days of Cycle 1 Day 28 (for Arm C subjects, Cycle 1 Day 21); or (3) Completed dosing for Cycle 1 Day 28 (for Arm C subjects, Cycle 1 Day 21)without DLT and (i) missed no more than 4 total planned doses of oral azacitidine within Cycle 1 ; (ii) Arm A subjects: received scheduled dose of CBDCA during Cycle 1 ; and (iii) Arm B subjects: received all scheduled doses of ABX during Cycle 1.
  • Part 2 Once the RP2D and schedule have been determined for oral azacitidine as a single agent and in combination with CBDCA and/or ABX in Part 1 , enrollment of Part 2 of the study begins.
  • One objective of Part 2 is to further define the safety, PK, and PD of oral azacitidine combinations with CBDCA and/or ABX and as a single agent in subjects with particular tumor types and to explore candidate predictive biomarkers of anti-tumor activity. Up to 2 tumor types are examined for each Arm of the study. The definitive selection of tumor types evaluated in Part 2 are determined by any antitumor signal observed in Part 1. For each tumor type, enrollment proceeds in a 2-stage fashion. For each Arm, if at least 2 objective responses are seen by Cycle 6 in the first 14 subjects, an additional 6 subjects are enrolled for a total of 20 subjects. If none of the first 14 subjects has an objective response, no further subject is enrolled.
  • PD and Predictive Biomarkers One objective of this study is to identify a dose and schedule of oral azacitidine that is not only safe but that exhibits pharmacologic activity. Methylation changes in nucleated blood cells can provide confirmation that a dose is pharmacologically active and can help distinguish which dose and schedule shows the most compelling pharmacologic activity.
  • Predictive biomarkers can allow prospective identification of patients who are likely to benefit clinically from the combination of oral azacitidine as a single agent or combined with CBDCA or ABX.
  • the PD and predictive biomarkers analyzed in this study e.g., Part 1 or Part 2 of the study are shown in Table 4.
  • Oral azacitidine is provided as 100 mg tablets for oral administration, for example, supplied by Celgene Corporation. See, e.g. , U.S. Patent Publication No. 2009/0286752 (App. No. 12/466,213), which is incorporated herein in its entirety.
  • Abraxane ® is provided in single-use vials, for example, supplied by
  • Reconstituted ABX is refrigerated at 2 °C to 8 °C (36 °F to 46 °F) and used within 8 hours. Both forms are stored in an area free of environmental extremes.
  • CBCDA may be obtained as a commercially available product through a hospital pharmacy or licensed distributor.
  • Each dose of oral azacitidine is taken with 8 ounces (240 mL) of room temperature water. Oral azacitidine may be taken on an empty stomach or with food. If the dose is taken in the morning, subjects may consume their usual breakfast before or after administration.
  • Oral azacitidine may be held for up to 7 days between the end of Cycle 1 and the start of Cycle 2 (to allow hematologic criteria) for Cycle 2 to begin. For subjects who experience unacceptable toxicity after the start of Cycle 2, oral azacitidine may be held for up to 7 days or until the toxicity recovers to grade 1 or less. If recovery has not occurred after 7 days, dosing is permanently discontinued. Subjects who recover within the 7 day period may resume dosing at a reduced dose on the planned Cycle day (i.e., missed doses are not made up).
  • the subject may resume dosing at a dose of 200 mg. If the subject had previously been receiving 200 mg of oral azacitidine, the subject may resume at a dose of 100 mg. Subjects who experience unacceptable toxicity after Cycle 2 at a dose of 100 mg may resume dosing at the same dose if they recover within 7 days of dosing cessation.
  • the subject may resume dosing at a dose of 100 mg.
  • the dose may be re-escalated (one dose level at a time) to their originally assigned DL provided they have not experienced unacceptable toxicity in 2 consecutive Cycles.
  • unacceptable toxicity is defined as any AE that is deemed by the investigator to be related to oral azacitidine and/or to the combination of oral azacitidine with CBDCA or ABX and that poses a medical risk or substantial discomfort to the subject including but not limited to Grade 3 or 4 hematologic or non-hematologic toxicity. If the unacceptable toxicity is believed by the investigator to be more likely to be associated with the backbone agent (e.g., neuropathy with ABX), the subject may continue on single agent oral azacitidine.
  • the backbone agent e.g., neuropathy with ABX
  • Oral Azacitidine Subjects are advised not to consume any grapefruit/grapefruit juice during the study, beginning 3 days prior to Cycle 1 Day 1. Subjects drink 8 ounces (240 mL) of room temperature water with each dose. Oral azacitidine may be taken on an empty stomach or with food. If the dose is taken in the morning, subjects may consume their usual breakfast before or after administration. The breakfast meal is not to exceed 600 calories; however, the actual calorie count need not be measured or recorded. If a meal other than breakfast is consumed, a light meal (not more than 25% of a subject's usual daily calories) may be eaten before or after dose
  • subjects take oral azacitidine at home. Subjects are given sufficient quantity of oral azacitidine for the dosing days at home. Subjects are instructed to inspect each oral azacitidine tablet and only take tablets that are totally intact. Subjects are instructed to return any tablet found to not be intact. Subjects are instructed to record the date and time of oral azacitidine administration in a Diary Card. On days when oral azacitidine is taken at home or on days when PK samples are not collected during the clinic visit, subjects are encouraged to ingest oral azacitidine on an empty stomach or with food, with 8 ounces (240 mL) of room temperature water.
  • 5-azacytidine was dosed from Day 1 to Day 14 and CBDCA was dosed on Day 8 at AUC 4, in a 21 -day cycle.
  • Safety and PD were analyzed.
  • certain patients were dosed with 5- azacytidine at a dose of 200 mg from Day 1 to Day 14 and CBDCA at a dose of AUC 4 on Day 8, in a 21 -day cycle, to treat cancers, such as, NSCLC (non-small cell lung cancer), sarcoma, CRC (colorectal cancer), melanoma, ovarian cancer, or cervical cancer.
  • NSCLC non-small cell lung cancer
  • sarcoma sarcoma
  • CRC colonrectal cancer
  • melanoma melanoma
  • ovarian cancer or cervical cancer.
  • certain patients were dosed with 5-azacytidine at a dose of 300 mg from Day 1 to Day 14 and CBDCA at a dose of AUC 4 on Day 8, in a 21-day cycle, to treat cancers, such as, mesothelioma, endometrial cancer, merkel cell cancer, melanoma, chodrosarcoma, NSCLC, or HNSCC (head and neck squamous cell carcinoma).
  • cancers such as, mesothelioma, endometrial cancer, merkel cell cancer, melanoma, chodrosarcoma, NSCLC, or HNSCC (head and neck squamous cell carcinoma).
  • 5-azacytidine was dosed from Day 1 to Day 14 and ABX was dosed on Days 8 and 15 at 100 mg/m 2 , in a 21- day cycle. Safety and PD were analyzed.
  • certain patients were dosed with 5-azacytidine at a dose of 200 mg from Day 1 to Day 14 and ABX at a dose of 100 mg/m 2 on Days 8 and weekly thereafter, in a 21 -day cycle, to treat cancers, such as, endometrial cancer, pancreatic cancer, ovarian cancer, or breast cancer.
  • cancers such as, endometrial cancer, pancreatic cancer, ovarian cancer, or breast cancer.
  • Partial responses were observed in endometrial cancer and pancreatic cancer (e.g. , metastatic pancreatic cancer).
  • endometrial cancer and pancreatic cancer e.g. , metastatic pancreatic cancer.
  • CA19-9 level was decreased from 1867 to 15, and partial response was observed for seven months or more.
  • One patient with endometrial cancer progressed 8 months on the study after 5 cycles of Carbo/Taxol, with no evidence of disease at primary site.
  • certain patients were dosed with 5-azacytidine at a dose of 200 mg from Day 1 to Day 14 and ABX at a dose of 100 mg/m 2 on Days 8 and 15, in a 21 -day cycle, to treat cancers, such as, pancreatic cancer, cholangio cancer, HNSCC, CRC, or ovarian cancer.
  • certain patients were dosed with 5-azacytidine at a dose of 300 mg from Day 1 to Day 14 and ABX at a dose of 100 mg/m 2 on Days 8 and 15, in a 21 -day cycle, to treat cancers, such as, cholangio cancer, pancreatic cancer, or cervical cancer. Partial responses were observed in cervical cancer.
  • 5-azacytidine was dosed from Day 1 to Day 21 , in a 21 -day cycle (continuous). Safety and PD were analyzed. In one embodiment, certain patients were dosed with 5-azacytidine at a dose of 200 mg from Day 1 to Day 21 , in a 21 -day cycle, to treat cancers, such as, CRC, head and neck cancer, or GIST (gastrointestinal stromal tumor).
  • cancers such as, CRC, head and neck cancer, or GIST (gastrointestinal stromal tumor).
  • certain patients were dosed with 5-azacytidine at a dose of 300 mg from Day 1 to Day 21 , in a 21 -day cycle, to treat cancers, such as, CRC, NSCLC, or NP (nasopharyngeal) cancer. Partial responses were observed in nasopharyngeal cancer.
  • 5-azacytidine was dosed orally, e.g., at 300 mg (on Days 1 to 14 of a 21-day cycle), and CBDCA was dosed, e.g., at AUC 4, to treat patients with solid tumor, such as relapsed and refractory bladder cancer (e.g. , bladder carcinoma, or urothelial malignancies) or relapsed and refractory ovarian cancer (e.g., epithelial ovarian carcinoma). Tissue samples are analyzed to evaluate activity and efficacy.
  • solid tumor such as relapsed and refractory bladder cancer (e.g. , bladder carcinoma, or urothelial malignancies) or relapsed and refractory ovarian cancer (e.g., epithelial ovarian carcinoma).
  • Tissue samples are analyzed to evaluate activity and efficacy.
  • 5-azacytidine was dosed orally, e.g., at 200 mg (on Days 1 to 14 of a 21 -day cycle), in combination with ABX (e.g., at a dose of 100 mg/m 2 ), to treat patients with solid tumor, such as relapsed and refractory NSCLC (non-small cell lung cancer) or relapsed and refractory pancreatic cancer. Tissue samples are analyzed to evaluate activity and efficacy.
  • ABX e.g., at a dose of 100 mg/m 2
  • 5-azacytidine was dosed alone (e.g., orally at a dose of 200 mg or 300 mg on Days 1 to 14 of a 21 -day cycle) to treat patients with solid tumor, such as relapsed and refractory colorectal cancer. Tissue samples are analyzed to evaluate activity and efficacy.
  • Part 1 Arm B of a study treating cancer patients with 5-azacytidine and ABX, partial responses were seen in patients with papillary serous endocervical adenocarcinoma, endometroid type well-differentiated adenocarcinoma, metastatic ovarian carcinoma, pancreatic cancer, rectal adenocarcinoma, pancreatic carcinoma, ovarian cancer, endometrial carcinoma, and metastatic pancreatic
  • adenocarcinoma as summarized below. Patients with pancreatic cancer, metastatic ovarian carcinoma, endometroid type well-differentiated adenocarcinoma, and papillary serous endocervical adenocarcinoma showed a partial response with durations lasting between 4 and 8 months. See Figure 7.
  • the recommended Phase II dose (RP2D) for Arm C was determined to be 300 mg daily for 2 weeks of a 3 -week cycle.
  • Demographics and baseline characteristics for this NPC subset are summarized in Table 6. Notably, subjects with NPC were heavily pretreated and received a median of 3.5 systemic anticancer therapies (range: 2 to 5). Types of systemic anticancer therapies received by NPC subjects prior to enrollment in the study are summarized in Table 7. All subjects received at least one platinum-containing regimen and most were exposed to one or more gemcitabine-containing regimens. All subjects had distant metastasis including 4 with liver metastases and 3 with lung metastases.
  • ECOG Eastern Cooperative Oncology Group
  • Max maximum
  • Min minimum
  • NPC nasopharyngeal carcinoma
  • STDEV standard deviation
  • Table 7 Summary of Prior Systemic Anti-Cancer Therapies for NPC Subjects in Arm C of Study Parts 1 and 2 Combined (Safety Population)
  • Exposure Subjects were treated with oral 5-azacytidine for a median
  • NPC subjects in Arm C Parts 1 and 2 of Study Responses were evaluated based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1. Of the 8 NPC subjects, 3 achieved a confirmed partial response (PR), 4 had a best response of stable disease (SD), 3 of which lasted more than 150 days and one subject discontinued from the study after 2 cycles of treatment (on Study Day 43) due to disease progression (Figure 9). Median time on study was 252 days (range: 43 to 456 days) for the 8 subjects in this cohort.
  • Progression Free Survival Progression free survival for the NPC subjects in the study is summarized in Table 8. As of the data cutoff date, all 8 NPC subjects had progressed and none had died. Median PFS was 24.00 weeks (95%> confidence interval [CI] 5.86 to 47.43 weeks).
  • CI confidence interval
  • Max maximum
  • Min minimum
  • NPC nasopharyngeal carcinoma
  • PFS progression free survival
  • wks weeks
  • b Median is based on Kaplan-Meier estimate using both observed and censored data.
  • Min and Max are based on observed data only.
  • Treatment-emergent adverse events that were reported in > 2 NPC subjects as of the data cutoff date are summarized by system organ class and preferred term in Table 9. All 8 subjects experienced at least 1 TEAE.
  • Treatment-emergent AEs were most frequently reported from the 4 system organ classes of gastrointestinal disorders, general disorders and administration site conditions, blood and lymphatic system disorders and nervous system disorders.
  • Common TEAEs included vomiting (6/8; 75%), neutropenia, constipation, nausea, asthenia (5/8; 62.5% each) and anemia, diarrhea, chills, headache, cough and rhinorrhea (3/8; 37.5% each). Consistent with the known toxicity profile for oral 5-azacytidine, neutropenia, vomiting, nausea and asthenia were the most frequently reported treatment-related TEAEs.
  • Rhinorrhoea 3 37.5%) Oropharyngeal pain 1 2 ( 25.0%)
  • AE adverse event
  • MedDRA Medical Dictionary for Regulatory Activities
  • NPC nasopharyngeal carcinoma
  • TEAE treatment-emergent adverse event
  • a System organ classes and preferred terms are coded using MedDRA vl7.0. Preferred terms are listed in descending order of total frequency. A subject with multiple occurrences of a system organ class or preferred term is counted only once at the highest reported severity for that AE.
  • b TEAE is any AE occurring or worsening on or after the first treatment of the study drug, and within 28 days after the last dose of the study drug received.
  • 001 is provided in Table 10. All 8 subjects experienced at least 1 Grade 3 or 4 TEAE, the majority of which were Grade 3. There were no Grade 5 TEAEs as of the data cutoff date. The most common Grade 3 or 4 TEAE was neutropenia, which occurred in 4 subjects.
  • CTCAE Common Terminology Criteria for Adverse Events
  • MedDRA Medical Dictionary for Regulatory Activities
  • NPC nasopharyngeal carcinoma
  • TEAE treatment- emergent adverse event
  • a System organ classes and preferred terms are coded using MedDRA vl7.0. Preferred terms are listed in descending order of total frequency. A subject with multiple occurrences of a system organ class or preferred term is counted only once at the highest severity for that AE.
  • b TEAE is any AE occurring or worsening on or after the first treatment of the study drug, and within 28 days after the last dose of the study drug received.
  • NPC subjects experienced a total of 5 serious TEAEs.
  • One subject experienced Grade 3 anemia, Grade 2 renal impairment and Grade 3 hepatic hematoma, during a single hospitalization, diagnosed following a per protocol scheduled core liver biopsy.
  • the anemia responded promptly to treatment (transfusion of red blood cells) as did the renal impairment, whereas the hepatic hematoma resolved within 18 days during the course of which oral 5-azacytidine dosing was interrupted due to the serious TEAE.
  • the second subject was diagnosed with Grade 1 iron deficiency anemia and was hospitalized for diagnostic testing to identify source for iron deficiency anemia, which was still ongoing at the time of the cutoff date with no change in oral 5-azacytidine dosing.
  • the third subject experienced Grade 3 musculoskeletal chest pain that lasted 11 days with no change in study drug dosing. None of these serious TEAEs were assessed by the investigator to be related to oral 5-azacytidine.
  • MedDRA Medical Dictionary for Regulatory Activities
  • NPC nasopharyngeal carcinoma
  • TEAE treatment-emergent adverse event
  • a System organ classes and preferred terms are coded using MedDRA vl7.0.
  • a subject with multiple occurrences of a system organ class or preferred term is counted only once at the highest reported severity for that AE.
  • b TEAE is any AE occurring or worsening on or after the first treatment of the study drug, and within 28 days after the last dose of the study drug received.
  • NPC was evaluated by assessing changes in global DNA methylation status in subjects' peripheral blood and tumor. Methylation at CpG sites in the EBV Zp and Rp promoters in tumor was also assessed in subjects with adequate paired, pre- and post-treatment tumor biopsies. CpG methylation on Cycle 1, Day 15 was compared with that at baseline.
  • Figure 13 shows longitudinal changes in plasma EBV viral titers as a function of time on study for most NPC subjects in the Study. Although the results were variable, there were consistent reductions in EBV viral titers in association with oral 5- azacytidine treatment in four subjects with quantifiable baseline (Cycle 1, Day 1) viral titers. [00409] Summary and Conclusions: Three of 8 heavily pretreated subjects
  • oral 5-azacytidine has acceptable safety and tolerability when administered as monotherapy to subjects with NPC.
  • the most common TEAEs (occurring in > 3 subjects) were vomiting, neutropenia, constipation, nausea, asthenia, anemia, diarrhea, chills, headache, cough and rhinorrhea.
  • Neutropenia was the most common Grade 3/4 TEAE as well as the most common TEAEs leading to dose reductions or interruption. There were no TEAEs leading to treatment discontinuation.
  • DNA methylation is employed as a biomarker to monitor responses in patients treated with azacitidine in the clinical studies described herein. Analysis is performed with an Infinium Assay (commercially available from Illumina, Inc., San Diego, California). The Infinium Assay combined with BeadChips allows large-scale interrogation of variations in the human genome. For example, the Infinium HumanMethylation27 BeadChip enables interrogation of 27,578 CpG loci, covering over 14,000 genes.
  • the DNA Methylation Assay protocol includes the following steps: (1) bisulfite conversion; (2) DNA amplification; (3) DNA fragmentation; (4) DNA precipitation; (5) DNA hybridization to BeadChip; (6) extension and staining on BeadChip; and (7) imaging of BeadChip.
  • DNA methylation assay with 45 OK array instead of 27K array is used.
  • the assay for methylation is used to detect methylation status at individual CpG loci by typing bisulfite-converted DNA. Methylation protected C from conversion, whereas unmethylated C is converted to T. A pair of bead-bound probes is used to detect the presence of T or C by hybridization followed by single-base extension with a labeled nucleotide. Up to twelve samples are profiled in parallel. Blood samples were collected and DNA methylation was analyzed in parallel. In other embodiments, bone marrow samples are collected and DNA methylation analyzed in parallel.
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having lung cancer, e.g., non-small-cell lung cancer (NSCLC).
  • NSCLC non-small-cell lung cancer
  • Such studies may include, e.g., an assessment of the ability to stop or reverse the growth of particular NSCLC cell types in patients having NSCLC).
  • patients are tested for particular NSCLC cell types, prior to administration of the oral formulation.
  • patients with cell types known or believed to benefit preferentially from cytidine analog ⁇ e.g., 5-azacytidine) administration may be enrolled.
  • patients having NSCLC are enrolled without analysis of particular NSCLC cell type.
  • patients having any type of NSCLC cells are candidates for treatment with an oral formulation provided herein.
  • patients from any of the three main NSCLC groups may be enrolled, i.e., (1) patients with tumors that are surgically resectable; (2) patients with either locally or regionally advanced lung cancer; or (3) patients with distant metastases at the time of diagnosis.
  • patients may be currently undergoing additional treatment for NSCLC, including, e.g., surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog ⁇ e.g., 5-azacytidine) may also be administered one or more additional therapeutic agents, examples of which are disclosed herein.
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered (e.g., via PO, SC or IV administration) in combination with an oral formulation comprising the cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co-administered agent is carboplatin.
  • the co-administered agent is paclitaxel (e.g., Abraxane ® ).
  • RNA methylation levels which indicate a potential response to treatment with an oral formulation comprising a cytidine analog (e.g., 5-azacytidine).
  • a cytidine analog e.g., 5-azacytidine
  • patients with high levels of DNA methylation e.g., CpG island methylation
  • an increased potential for transcriptional silencing of tumor-suppressor genes may be administered a cytidine analog (e.g., 5-azacytidine) known or believed to prevent or reverse hypermethylation (e.g., by reducing the activity of one or more DNA methyltransferase enzymes).
  • patients with high levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with low levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein (e.g., entinostat or vorinostat).
  • the amount of cytidine analog (e.g., 5-azacytidine) in the oral formulations administered during the clinical studies depends, e.g., on the individual characteristics of the patient, including, inter alia, the stage and progression of the patient's NSCLC, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog ⁇ e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • a specified time period e
  • Cycles may be repeated as desired, e.g. , over a period of one or more months, as disclosed herein. After a certain number of cycles, the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects. Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit.
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having an ovarian cancer (including, e.g. , the ability to stop or reverse the growth of cancer cells in patients having an ovarian cancer).
  • ovarian cancers include, but are not limited to, ovarian epithelial cancer, ovarian germ cell tumors, and ovarian low malignant potential tumors.
  • patients are screened for the presence of a particular type of ovarian cancer prior to administration of the oral formulation.
  • patients with a type of ovarian cancer known or believed to benefit preferentially from cytidine analog ⁇ e.g., 5-azacytidine) administration may be enrolled.
  • patients having ovarian cancer are enrolled without screening for particular ovarian cancer types.
  • patients having any type of ovarian cancer are candidates for treatment with an oral formulation provided herein.
  • patients may be currently undergoing additional treatment for ovarian cancer, including, e.g., surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog may also be administered one or more additional therapeutic agents, examples of which are disclosed herein ⁇ e.g., carboplatin).
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered ⁇ e.g., via PO, SC or IV administration) in combination with an oral formulation comprising a cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co-administered agent is carboplatin.
  • the co-administered agent is paclitaxel ⁇ e.g., Abraxane ® ).
  • patients with high levels of DNA methylation ⁇ e.g., CpG island methylation) and/or an increased potential for transcriptional silencing of tumor- suppressor genes may be administered a cytidine analog ⁇ e.g., 5-azacytidine) known or believed to prevent or reverse hypermethylation ⁇ e.g. , by reducing the activity of one or more DNA methyltransferase enzymes).
  • patients with high levels of DNA methylation ⁇ e.g., CpG island methylation) of certain genes may be administered a cytidine analog ⁇ e.g., 5-azacytidine).
  • patients with low levels of DNA methylation ⁇ e.g., CpG island methylation) of certain genes may be administered a cytidine analog ⁇ e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature ⁇ e.g. , CpG island methylation) of certain genes may be administered a cytidine analog ⁇ e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein ⁇ e.g., entinostat or vorinostat).
  • the amount of cytidine analog ⁇ e.g., 5-azacytidine) in the oral formulations administered during the clinical studies depends, e.g., on the individual characteristics of the patient, including, inter alia, the type, stage, and progression of the patient's ovarian cancer, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog ⁇ e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • a specified time period e
  • Cycles may be repeated as desired, e.g., over a period of one or more months, as disclosed herein. After a certain number of cycles, the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects. Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit.
  • Example 5
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having a pancreatic cancer (including, e.g. , the ability to stop or reverse the growth of cancer cells in patients having pancreatic cancer).
  • a cytidine analog such as 5-azacytidine
  • patients are screened prior to enrollment for a particular type of pancreatic cancer prior to administration of the oral formulation.
  • Cellular classifications of pancreatic cancers are known in the art and include, e.g., duct cell carcinoma; acinar cell carcinoma; papillary mucinous carcinoma; signet ring carcinoma; adenosquamous carcinoma; undifferentiated carcinoma; mucinous carcinoma; giant cell carcinoma; mixed type (ductal-endocrine or acinar-endocrine); small cell carcinoma; cystadenocarcinoma (serous and mucinous types); unclassified;
  • pancreatoblastoma papillary-cystic neoplasm (Frantz tumor); invasive adenocarcinoma associated with cystic mucinous neoplasm or intraductal papillary mucinous neoplasm; mucinous cystic tumor with dysplasia; intraductal papillary mucinous tumor with dysplasia; and pseudopapillary solid tumor.
  • pancreatic cancer e.g. , the size of the tumor in the pancreas, whether the cancer has spread, and if so, to what parts of the body
  • pancreatic cancer patients believed to benefit preferentially from cytidine analog (e.g., 5-azacytidine) administration may be enrolled.
  • patients having pancreatic cancer are enrolled without screening for particular pancreatic cancer types.
  • patients having any type of pancreatic cancer are candidates for treatment with an oral formulation provided herein.
  • patients may be currently undergoing additional treatment for pancreatic cancer, including, e.g. , surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog may also be administered one or more additional therapeutic agents, examples of which are disclosed herein (e.g., gemcitabine).
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered (e.g., via PO, SC or IV administration) in combination with an oral formulation comprising a cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co-administered agent is carboplatin.
  • the co-administered agent is paclitaxel (e.g., Abraxane®).
  • patients are screened prior to enrollment and/or monitored during the trial for DNA or RNA methylation levels, which indicate a potential response to treatment with an oral formulation comprising a cytidine analog (e.g., 5-azacytidine).
  • a cytidine analog e.g., 5-azacytidine
  • patients with high levels of DNA methylation e.g., CpG island methylation
  • an increased potential for transcriptional silencing of tumor- suppressor genes may be administered a cytidine analog (e.g., 5- azacytidine) known or believed to prevent or reverse hypermethylation (e.g., by reducing the activity of one or more DNA methyltransferase enzymes).
  • patients with high levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with low levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein (e.g., entinostat or vorinostat).
  • cytidine analog e.g., 5-azacytidine
  • the amount of cytidine analog depends, e.g., on the individual characteristics of the patient, including, inter alia, the type, stage, and progression of the patient's pancreatic cancer, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog (e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • the cytidine analog
  • Cycles may be repeated as desired, e.g., over a period of one or more months, as disclosed herein. After a certain number of cycles, the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects. Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit. F. Example 6
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having a colorectal cancer (including, e.g. , the ability to stop or reverse the growth of cancer cells in patients having a colorectal cancer).
  • patients are screened prior to enrollment for a particular type of colorectal cancer prior to administration of the oral formulation.
  • Histologic types of colon cancers are known in the art and include, e.g., adenocarcinoma; mucinous (colloid) adenocarcinoma; signet ring adenocarcinoma;
  • Epithelial Tumors which include: Adenoma (e.g., tubular, villous, tubulo villous, and serrated); Intraepithelial neoplasia (dysplasia) associated with chronic inflammatory diseases (e.g. , low-grade glandular intraepithelial neoplasia and high-grade glandular intraepithelial neoplasia);
  • Carcinoma e.g. , adenocarcinoma, mucinous adenocarcinoma, signet-ring cell carcinoma, small cell carcinoma, adenosquamous carcinoma, medullary carcinoma, and
  • Carcinoid well-differentiated neuroendocrine neoplasm
  • Carcinoid well-differentiated neuroendocrine neoplasm
  • enterochromaffin (EC)-cell e.g., enterochromaffin (EC)-cell, serotonin-producing neoplasm, L-cell, glucagon-like peptide and pancreatic polypeptide/peptide YY (PYY)-producing tumor, and others
  • Mixed carcinoma-adenocarcinoma which include: Lipoma;
  • Leiomyoma Gastrointestinal stromal tumor; Leiomyosarcoma; Angiosarcoma; Kaposi sarcoma; Melanoma; and others; as well as Malignant lymphomas (e.g., marginal zone B- cell lymphoma of mucosa-associated lymphoid tissue type, mantle cell lymphoma, diffuse large B-cell lymphoma, Burkitt lymphoma, and Burkitt-like/atypical Burkitt lymphoma.
  • Malignant lymphomas e.g., marginal zone B- cell lymphoma of mucosa-associated lymphoid tissue type, mantle cell lymphoma, diffuse large B-cell lymphoma, Burkitt lymphoma, and Burkitt-like/atypical Burkitt lymphoma.
  • colorectal cancer patients are screened prior to enrollment for a particular stage of colorectal cancer (e.g., the size of the tumor in the colon or rectum, whether the cancer has spread, and if so, to what parts of the body) prior to administration of the oral formulation.
  • colorectal cancer patients believed to benefit preferentially from cytidine analog (e.g., 5-azacytidine) administration may be enrolled.
  • patients having a colorectal cancer are enrolled without screening for particular colorectal cancer types.
  • patients having any type of colorectal cancer are candidates for treatment with an oral formulation provided herein.
  • patients may be currently undergoing additional treatment for colorectal cancer, including, e.g. , surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog may also be administered one or more additional therapeutic agents, examples of which are disclosed herein.
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered (e.g., via PO, SC or IV administration) in combination with an oral formulation comprising a cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co-administered agent is carboplatin.
  • the co-administered agent is paclitaxel (e.g., Abraxane ® ).
  • patients with high levels of DNA methylation (e.g., CpG island methylation) and/or an increased potential for transcriptional silencing of tumor- suppressor genes may be administered a cytidine analog (e.g., 5-azacytidine) known or believed to prevent or reverse hypermethylation (e.g. , by reducing the activity of one or more DNA methyltransferase enzymes).
  • a cytidine analog e.g., 5-azacytidine
  • patients with high levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with low levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature (e.g. , CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein (e.g., entinostat or vorinostat).
  • cytidine analog e.g., 5-azacytidine
  • the amount of cytidine analog depends, e.g., on the individual characteristics of the patient, including, inter alia, the type, stage, and progression of the patient's colorectal cancer, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog (e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • the cytidine analog
  • Example 7 Other potential starting doses and time periods are disclosed herein. After a certain number of cycles, the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects. Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit. G. Example 7
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having a bladder cancer (including, e.g. , the ability to stop or reverse the growth of cancer cells in patients having a bladder cancer).
  • a cytidine analog such as 5-azacytidine
  • patients are screened prior to enrollment for a particular type of bladder cancer prior to administration of the oral formulation.
  • patients are screened prior to enrollment for a particular stage of bladder cancer ⁇ e.g., the size of the tumor, whether the cancer has spread, and if so, to what parts of the body) prior to administration of the oral formulation.
  • patients are screened prior to enrollment for a particular type of bladder cancer prior to administration of the oral formulation.
  • bladder cancer patients believed to benefit preferentially from cytidine analog ⁇ e.g., 5- azacytidine) administration may be enrolled.
  • patients having a bladder cancer are enrolled without screening for particular bladder cancer types.
  • patients having any type of bladder cancer are candidates for treatment with an oral formulation provided herein.
  • patients may be currently undergoing additional treatment for bladder cancer, including, e.g. , surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog ⁇ e.g., 5-azacytidine) may also be administered one or more additional therapeutic agents, examples of which are disclosed herein.
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered ⁇ e.g., via PO, SC or IV administration) in combination with an oral formulation comprising a cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co-administered agent is carboplatin.
  • the co-administered agent is paclitaxel ⁇ e.g., Abraxane ® ).
  • patients are screened prior to enrollment and/or monitored during the trial for DNA or RNA methylation levels, which indicate a potential response to treatment with an oral formulation comprising a cytidine analog (e.g., 5-azacytidine).
  • a cytidine analog e.g., 5-azacytidine
  • patients with high levels of DNA methylation e.g., CpG island methylation
  • an increased potential for transcriptional silencing of tumor- suppressor genes may be administered a cytidine analog (e.g., 5- azacytidine) known or believed to prevent or reverse hypermethylation (e.g., by reducing the activity of one or more DNA methyltransferase enzymes).
  • patients with high levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with low levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein (e.g., entinostat or vorinostat).
  • cytidine analog e.g., 5-azacytidine
  • the amount of cytidine analog depends, e.g., on the individual characteristics of the patient, including, inter alia, the type, stage, and progression of the patient's bladder cancer, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog (e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • the cytidine analog
  • the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects.
  • Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit.
  • Clinical studies are conducted to assess the ability of an oral formulation comprising a cytidine analog, such as 5-azacytidine, to treat patients having a breast cancer (including, e.g., the ability to stop or reverse the growth of cancer cells in patients having a breast cancer).
  • patients are screened prior to enrollment for a particular type of breast cancer prior to administration of the oral formulation.
  • patients are screened prior to enrollment for a particular stage of breast cancer ⁇ e.g., the size of the tumor in the breast, whether the cancer has spread, and if so, to what parts of the body) prior to administration of the oral formulation.
  • patients are screened prior to enrollment for a particular type of breast cancer prior to administration of the oral formulation.
  • breast cancer patients believed to benefit preferentially from cytidine analog ⁇ e.g., 5-azacytidine) administration may be enrolled.
  • patients having a breast cancer are enrolled without screening for particular breast cancer types.
  • patients having any type of breast cancer are candidates for treatment with an oral formulation provided herein.
  • patients may be currently undergoing additional treatment for breast cancer, including, e.g., surgery, chemotherapy, or radiation therapy.
  • patients who are administered an oral formulation comprising a cytidine analog ⁇ e.g., 5-azacytidine) may also be administered one or more additional therapeutic agents, examples of which are disclosed herein.
  • the additional therapeutic agent(s) may be administered in the same oral formulation as the cytidine analog, or may be co-administered ⁇ e.g., via PO, SC or IV administration) in combination with an oral formulation comprising a cytidine analog.
  • the appropriate amount and dosing schedule for an additional therapeutic agent may be determined for a particular patient using methods known in the art.
  • the co- administered agent is carboplatin.
  • the co-administered agent is paclitaxel (e.g., Abraxane ® ).
  • patients are screened prior to enrollment and/or monitored during the trial for DNA or RNA methylation levels, which indicate a potential response to treatment with an oral formulation comprising a cytidine analog (e.g., 5-azacytidine).
  • a cytidine analog e.g., 5-azacytidine
  • patients with high levels of DNA methylation e.g., CpG island methylation
  • an increased potential for transcriptional silencing of tumor- suppressor genes may be administered a cytidine analog (e.g., 5- azacytidine) known or believed to prevent or reverse hypermethylation (e.g., by reducing the activity of one or more DNA methyltransferase enzymes).
  • patients with high levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with low levels of DNA methylation (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients with a particular DNA methylation signature (e.g., CpG island methylation) of certain genes may be administered a cytidine analog (e.g., 5-azacytidine).
  • patients may also be co-administered one or more additional therapeutic agents known or believed to reduce epigenetic silencing, such as, e.g., compounds that inhibit histone deacetylase enzymes (HDACs), which regulate the acetylation and deacetylation of histone residues that increase or decrease gene expression.
  • HDACs histone deacetylase enzymes
  • Suitable HDAC inhibitors for co-administration in the clinical studies disclosed herein are known in the art and/or described herein (e.g., entinostat or vorinostat).
  • cytidine analog e.g., 5-azacytidine
  • the amount of cytidine analog depends, e.g., on the individual characteristics of the patient, including, inter alia, the type, stage, and progression of the patient's breast cancer, the patient's age and weight, the patient's prior treatment regimens, and other variables, as known in the art.
  • potential starting doses may be, e.g., about 50 mg, about 60 mg, about 70 mg, about 75 mg, about 80 mg, about 90 mg, about 100 mg, about 120 mg, about 140 mg, about 150 mg, about 160 mg, about 180 mg, about 200 mg, about 220 mg, about 240 mg, about 250 mg, about 300 mg, about 350 mg, about 360 mg, about 400 mg, about 420 mg, about 450 mg, about 480 mg, about 500 mg, about 540 mg, about 600 mg, about 660 mg, about 720 mg, about 780 mg, about 840 mg, about 900 mg, about 960 mg, about 1020 mg, or greater than about 1020 mg of the cytidine analog (e.g., 5-azacytidine) daily for a specified time period, e.g., about 1 week, about 1.5 weeks, about 2 weeks, about 2.5 weeks, about 3 weeks, about 3.5 weeks, about 1 month, about 1.5 months, about 2 months, or a longer time period.
  • the cytidine analog
  • the dosage may be increased to increase the beneficial effect, provided such an increase does not cause undesirable toxicity effects.
  • Patients may be treated for a minimum number of cycles, as disclosed herein. Complete or partial response may require additional treatment cycles. Treatment may be continued as long as the patient continues to benefit.
  • MDA-MB-231 breast cancer cells were evaluated in vitro and in vivo.
  • MDA-MB-231 cells were treated daily with 0.1 or 0.3 ⁇ AZA for up to 12 days, and harvested at various times during treatment, as well as up to 12 days following treatment.
  • MDA-MB-231 tumor-bearing mice were dosed (ip) with 1 or 3 mg/kg AZA daily for 3, 7, 14, 21, or 28 days and tumors were harvested during and at several time points after the dosing period.
  • DNA and cell lysates were prepared (from cell pellets or xenograft tumors) for DNA methylation analysis (LINE-1 or EpiTech Methyl qPCR assay) and DNMTl/yH2AX western blotting, respectively.
  • AZA caused a rapid (by 8 hours post in vivo dose), dose-dependent depletion of DNMT1 protein; when AZA treatment was halted, DNMT1 protein levels returned to basal levels within 3-4 days. Consistent with these results, AZA in vitro and in vivo caused a dose-dependent decrease in DNA methylation (LINE-1 and gene-specific) and further reduction in DNA methylation with additional days of AZA dosing. In vitro, DNA methylation returned to basal levels upon AZA removal (within 8 days); the kinetics of DNA re-methylation was slower in more hypomethylated DNA.
  • PBMC DNA was used for assessing changes in
  • DNA methylation using assays such as LINE-1 methylation, %5mdC mass spec,
  • Infinium® Methylation27 Array DNA methylation (LINE-1) in PBMC DNAs from patients in clinical studies described in Example 1, dosed with 200 mg oral AZA alone or in combination with CDBCA or ABX, was measured on Days 1, 8, and 15 of 21 -day cycle. Decreases in LINE-1 methylation were observed for two patients in Arm C.
  • %5mdC in PBMC DNAs from patients in clinical studies described in Example 1 dosed with 200 mg oral AZA alone or in combination with CDBCA or ABX, was measured on Days 1, 8, and 15 of 21 -day cycle.
  • methylation levels were measured on Days 1, 8, and 15 of 21 -day cycle using Infinium® Methylation27 Array (patients dosed with 200 mg oral AZA alone or in combination with CDBCA or ABX) and density profiles of average methylation levels were analyzed.
  • Infinium® Methylation27 Array patients dosed with 200 mg oral AZA alone or in combination with CDBCA or ABX
  • density profiles of average methylation levels were analyzed.
  • decreases in hypermethylated loci (beta >0.7) were observed in PBMCs of Arm C patients; no change in DNA methylation was observed in PBMCs of Arm A patients, and minor decrease in DNA methylation was observed in PBMCs of Arm B patients.
  • methylation levels were measured using Infinium®
  • Methylation450 Array patients dosed with 300 mg oral AZA alone or in combination with CDBCA or ABX
  • density profiles of average methylation levels were analyzed, as well as % change of hypermethylated loci (beta >0.7) upon treatment.
  • DNA hypomethylation in PBMCs was observed in patients dosed with 200 mg oral AZA alone or in combination with an additional therapeutic agent (5/6 Arm C patients; 2/6 Arm B patients; and 0/6 Arm A patients). DNA hypomethylation in PBMCs was observed in patients dosed with 300 mg oral AZA alone or in combination with an additional therapeutic agent (3/3 Arm C patients; and 2/4 Arm A patients).
  • Figure 6 shows in vitro modeling of the dosing schema of the clinical study described in Example 1.
  • DNA hypomethylation ⁇ e.g., LINE-l, /?76
  • pi 6 (m NA) re- expression was determined 72 hours after AZA treatment alone or in combination with CBDCA or ABX.
  • the result from this study can also be used to identify predictive biomarkers for enhanced sensitivity to the combination treatment of CBDCA or ABX with AZA.
  • AZA treatment was evaluated, in the following cancer cell lines: (1) bladder cancer cell lines, including 5637, J82, HT-1376, SCaBER, TCCSUP, and UM-UC-3, which showed additive effects; (2) head and neck cancer cell lines, including A253, BHY, CAL-27, CAL-33, and HN, which showed additive effects; (3) breast cancer cell lines, including ZR-75-1, CAL-51, MDA-MB-231, BT-549, Hs578t, HCC1500, HCC-1187, and ZR-75-30, which showed additive effects; (4) pancreatic cancer cell lines, including MiaPaca-2, which showed synergistic effects; (5) NSCLC cell lines, including HI 792, which showed synergistic effects; and H460, HI 299, H23, H1975, H2122, H838, H28, H1838, CALU-3, H2030, H1437, H596, H647, and H1650
  • antagonism was observed for combination of AZA with ABX in 1/4 of the cell lines tested, including breast (1/3), NSCLC (1/4), and melanoma (2/3) cell lines. In other experiments, antagonism was also observed in some cell lines with DAC (decitabine) priming.
  • bladder cancer cell lines including UM-UC-3, which showed synergistic effects; and 5637, J82, HT-1376, SCaBER, and TCCSUP, which showed additive effects;
  • head and neck cancer cell lines including Detroit562 and FADU, which showed synergistic effects; and A253, BHY, CAL-27, CAL-33, HN, and RPMI-2650, which showed additive effects;
  • breast cancer cell lines including BT-549, Hs578t, MDA-MB-157, SUM-149, and HCC-38, which showed synergistic effects; and T47D, ZR-75-1 , CAL-51 , CAL-120, MCF7, HCC 1500, AU565, HCC-1 187, MDA-MB- 436, and ZR-75-30, which showed additive effects;
  • pancreatic cancer cell lines including BxPC3, MiaPaca-2,
  • Additivity or synergy was observed for combination of AZA with CBDCA in the majority of cell lines tested (e.g., about 1/3 NSCLC cell lines showed synergy). In other experiments, additivity or synergy was also observed in some cell lines with DAC (decitabine) priming.
  • DAC decitabine
  • the selected cell lines included (1) UM-UC-3 (bladder), FADU (head and neck), MiaPaca-2 (pancreatic), H838 (NSCLC), H21 10 (NSCLC), and HOP62 (NSCLC), which showed synergistic effects, and (2) CAL-120 (breast), AU565 (breast), Detroit562 (head and neck), H520 (NSCLC), H1838 (NSCLC), HI 568 (NSCLC), and CALU-6 (NSCLC).
  • Basal gene expression and DNA methylation were compared.
  • AZA-induced changes in gene expression and DNA methylation were compared.
  • the extent of synergy was calculated using AAUC values. Strong synergy was observed in 18 hours to 72 hours or more of AZA priming, for example, in HOP62, UM-UC-3, and FADU.
  • eligible subjects were stratified according to specific tumor types, who were treated with 5-azacytidine alone at 300 mg/day for 14 consecutive days in a 21 -day cycle until progression or intolerable toxicity. All subjects were evaluated for safety, pharmacokinetics, and tumor response per RECIST 1.1. Subjects with tumors (7 patients with NPC; 4 with cervical carcinoma; 3 with Merkel cell tumors; and 4 with HNSCC) were treated and evaluated. The median number of prior regimens for this cohort was 3 (range 1-6). The median number of 5-azacytidine cycles administered was 4 (range 1-16). Treatment was well tolerated.
  • the disease control rate among patients with NPC was particularly noteworthy with 6/7 subjects achieving a response of stable disease (SD) or better and 3 subjects were still receiving 5- azacytidine treatment after 64, 203, and 240 days.

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Abstract

Cette invention concerne des méthodes permettant de traiter des patients ayant un cancer, par exemple une tumeur solide récidivante ou réfractaire, lesdites méthodes consistant à administrer au patient un analogue de la cytidine. Dans certaines méthodes, l'analogue de la cytidine est administré seul ou en association avec un ou plusieurs agents anticancéreux. L'invention concerne également des méthodes utilisant l'analogue de la cytidine pour traiter des maladies et des troubles, y compris, entre autres, des troubles associés à la prolifération de cellules anormales, des troubles hématologiques et des troubles immunitaires. Dans certaines de ces méthodes, l'analogue de la cytidine se présente sous la forme d'une préparation orale et est administré par voie orale.
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