US20110039826A1 - Pharmaceutical compositions for the treatment of cancer and other diseases or disorders - Google Patents

Pharmaceutical compositions for the treatment of cancer and other diseases or disorders Download PDF

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Publication number
US20110039826A1
US20110039826A1 US12/844,920 US84492010A US2011039826A1 US 20110039826 A1 US20110039826 A1 US 20110039826A1 US 84492010 A US84492010 A US 84492010A US 2011039826 A1 US2011039826 A1 US 2011039826A1
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Prior art keywords
pharmaceutical composition
formula
compound
present
solvent
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Abandoned
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US12/844,920
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English (en)
Inventor
Vijayalakshmi Ramanan
Irene S. Tobias
Raymond D. Skwierczynski
Dauntel S. Verwijs
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Millennium Pharmaceuticals Inc
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Millennium Pharmaceuticals Inc
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42697590&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20110039826(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Millennium Pharmaceuticals Inc filed Critical Millennium Pharmaceuticals Inc
Priority to US12/844,920 priority Critical patent/US20110039826A1/en
Priority to TW099125531A priority patent/TWI522357B/zh
Assigned to MILLENNIUM PHARMACEUTICALS, INC. reassignment MILLENNIUM PHARMACEUTICALS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VERWIJS, DAUNTEL S., TOBIAS, IRENE S., RAMANAN, VIJAYALAKSHMI, SKWIERCZYNSKI, RAYMOND D.
Publication of US20110039826A1 publication Critical patent/US20110039826A1/en
Priority to US13/914,705 priority patent/US9127011B2/en
Priority to US14/838,878 priority patent/US9504693B2/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/55Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02Inorganic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/14Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/20Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/26Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0053Mouth and digestive tract, i.e. intraoral and peroral administration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/08Solutions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/04Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/18Drugs for disorders of the alimentary tract or the digestive system for pancreatic disorders, e.g. pancreatic enzymes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00Drugs for disorders of the urinary system
    • A61P13/08Drugs for disorders of the urinary system of the prostate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/02Drugs for disorders of the nervous system for peripheral neuropathies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2121/00Preparations for use in therapy

Definitions

  • the present invention relates to pharmaceutical compositions of 4- ⁇ [9-chloro-7-(2-fluoro-6-methoxyphenyl)-5H-pyrimido[5,4-d][2]benzazepin-2-yl]amino ⁇ -2-methoxybenzoic acid of formula (I), or a pharmaceutically acceptable salt thereof:
  • the compound of formula (I) is useful for inhibiting Aurora A kinase activity in vitro and in vivo, and is especially useful for the treatment of various cell proliferative diseases.
  • An example of a pharmaceutically acceptable salt of formula (I) is sodium 4- ⁇ [9-chloro-7-(2-fluoro-6-methoxyphenyl)-5H-pyrimido[5,4-d][2]benzazepin-2-yl]amino ⁇ -2-methoxybenzoate of formula (II), or a crystalline form thereof:
  • Mitosis is a stage in the cell cycle during which a series of complex events ensure the fidelity of chromosome separation into two daughter cells.
  • Several current cancer therapies including the taxanes and vinca alkaloids, act to inhibit the mitotic machinery. Mitotic progression is largely regulated by proteolysis and by phosphorylation events that are mediated by mitotic kinases.
  • Aurora kinase family members e.g., Aurora A, Aurora B, Aurora C regulate mitotic progression through modulation of centrosome separation, spindle dynamics, spindle assembly checkpoint, chromosome alignment, and cytokinesis (Dutertre et al., Oncogene, 21: 6175 (2002)); Berdnik et al., Curr. Biol., 12: 640 (2002)).
  • Overexpression and/or amplification of Aurora kinases have been linked to oncogenesis in several tumor types including those of colon and breast (Warner et al., Mol.
  • the present invention is directed to pharmaceutical compositions of the compound of formula (I), or a pharmaceutically acceptable salt thereof, suitable for the bulk production of an oral pharmaceutical dosage form.
  • the invention provides a pharmaceutical composition of the compound of formula (I), or a pharmaceutically acceptable salt thereof, suitable for the bulk production of a liquid oral pharmaceutical dosage form.
  • the invention provides a pharmaceutical composition, comprising the compound of formula (I), or a pharmaceutically acceptable salt thereof, at least one solvent, at least one buffer, and optionally one or more pharmaceutically acceptable excipients independently selected from the group consisting of preservatives and surfactants.
  • the invention provides a process for the bulk production of the oral pharmaceutical dosage form of the compound of formula (I), or a pharmaceutically acceptable salt thereof.
  • the invention provides methods for the use of the pharmaceutical composition of the compound of formula (I), or a pharmaceutically acceptable salt thereof, for the treatment of patients suffering from or subject to diseases, disorders or conditions involving proliferative disorders including chronic inflammatory proliferative disorders, e.g., psoriasis and rheumatoid arthritis; proliferative ocular disorders, e.g., diabetic retinopathy; benign proliferative disorders, e.g., hemangiomas; and cancer.
  • proliferative disorders including chronic inflammatory proliferative disorders, e.g., psoriasis and rheumatoid arthritis
  • proliferative ocular disorders e.g., diabetic retinopathy
  • benign proliferative disorders e.g., hemangiomas
  • cancer e.g., hemangiomas
  • a “subject” is preferably a bird or mammal, such as a human, but can also be an animal in need of veterinary treatment, e.g., domestic animals (e.g., dogs, cats, and the like), farm animals (e.g., cows, sheep, fowl, pigs, horses, and the like) and laboratory animals (e.g., rats, mice, guinea pigs, and the like).
  • domestic animals e.g., dogs, cats, and the like
  • farm animals e.g., cows, sheep, fowl, pigs, horses, and the like
  • laboratory animals e.g., rats, mice, guinea pigs, and the like.
  • pharmaceutically acceptable excipient is used herein to refer to a material that is compatible with a recipient subject, preferably a mammal, more preferably a human, and is suitable for delivering an active agent to the target site without terminating the activity of the agent.
  • the toxicity or adverse effects, if any, associated with the excipient preferably are commensurate with a reasonable risk/benefit ratio for the intended use of the active ingredient.
  • Classes of pharmaceutically acceptable excipients include, but are not limited to, surfactants, binders, disintegrants, lubricants, glidants, fillers, buffers, solvents, preservatives and taste-masking agents.
  • taste-masking agent is used herein to describe an agent that improves the palatability of a pharmaceutical composition by masking an undesirable taste or odor.
  • Taste-masking agents include, but are not limited to, sweetening agents, flavoring agents, anti-bitter mask components, viscosity-enhancers, colors, and aroma excipients (e.g., menthol, yellow-plum-lemon aroma).
  • sweetening agents include, but are not limited to, natural and synthetic sweeteners such as sucrose, dextrose, fructose, high fructose corn syrup, maltol, invert sugar, sorbitol, saccharin, maltitol, xylitol, saccharin sodium, sucralose, aspartame, acesulfame potassium, and cyclamates.
  • Flavoring agents include any natural or synthetic compounds known to persons having skill in the art to impart flavors including, but not limited to, grape, cherry, berry, citrus, other fruits, mint, vanilla, chocolate, bubble gum and cinnamon. See, for example, Fenaroli's Handbook of Flavor Ingredients, 5 th Edition, edited by George A. Burdock, Ph.D., CRC Press.
  • the total weight of a single pharmaceutical dosage form is determined by adding all the weights of the components in the pharmaceutical dosage form.
  • the total weight of a single pharmaceutical dosage form is used as the basis for calculating the weight percentage of each of the components that comprise the pharmaceutical dosage form.
  • % w/w is used to mean by weight as a percentage of total weight.
  • “treating” or “treatment” means prevention, partial alleviation, or cure of a disease, disorder, or condition.
  • the compounds and compositions of this invention are useful in therapeutic applications relating to an Aurora kinase-mediated disorder.
  • the term “Aurora kinase-mediated disorder” includes any disorder, disease or condition which is caused or characterized by an increase in Aurora kinase expression or activity, or which requires Aurora kinase activity.
  • the term “Aurora kinase-mediated disorder” also includes any disease, disorder, or condition in which inhibition of Aurora kinase activity is beneficial. Aurora kinase-mediated disorders include proliferative disorders.
  • proliferative disorders include chronic inflammatory proliferative disorders, e.g., psoriasis and rheumatoid arthritis; proliferative ocular disorders, e.g., diabetic retinopathy; benign proliferative disorders, e.g., hemangiomas; and cancer.
  • Aurora kinase refers to any one of a family of related serine/threonine kinases involved in mitotic progression.
  • a variety of cellular proteins that play a role in cell division are substrates for phosphorylation by Aurora kinase enzymes, including, without limitation, histone H3, p 53, CENP-A, myosin II regulatory light chain, protein phosphatase-1, TPX-2, INCENP, survivin, topoisomerase II alpha, vimentin, MBD-3, MgcRacGAP, desmin, Ajuba, XIEg5 (in Xenopus ), Ndc10p (in budding yeast), and D-TACC (in Drosophila ).
  • Aurora kinase enzymes also are themselves substrates for autophosphorylation, e.g., at Thr288.
  • the term “Aurora kinase” is meant to refer to any Aurora kinase protein from any species, including, without limitation, Aurora A, Aurora B, and Aurora C, preferably Aurora A or B.
  • the Aurora kinase is a human Aurora kinase.
  • Aurora kinase inhibitor or “inhibitor of Aurora kinase” is used to signify a compound having a structure as defined herein, which is capable of interacting with an Aurora kinase and inhibiting its enzymatic activity.
  • Inhibiting Aurora kinase enzymatic activity means reducing the ability of an Aurora kinase to phosphorylate a substrate peptide or protein.
  • reduction of Aurora kinase activity is at least about 50%, at least about 75%, at least about 90%, at least about 95%, or at least about 99%.
  • the concentration of Aurora kinase inhibitor required to reduce an Aurora kinase enzymatic activity is less than about 1 less than about 500 nM, less than about 100 nM, or less than about 50 nM.
  • terapéuticaally effective amount is meant to describe an amount of a compound, composition, medicament or other active ingredient effective in producing the desired therapeutic effect.
  • the pharmaceutical composition of the present invention comprises the compound of formula (I), or a pharmaceutically acceptable salt thereof, at least one solvent, at least one buffer, and optionally one or more pharmaceutically acceptable excipients independently selected from the group consisting of preservatives and surfactants.
  • the pharmaceutical composition of the present invention further comprises a taste-masking agent.
  • the pharmaceutical composition of the compound of formula (I), or a pharmaceutically acceptable salt thereof is suitable for the bulk production of a liquid oral pharmaceutical dosage form.
  • liquid oral pharmaceutical dosage forms include, but are not limited to, solutions, suspensions, and colloids.
  • the pharmaceutical composition of the present invention comprises, about 0.05% w/w to about 5% w/w of the compound of formula (I), or a pharmaceutically acceptable salt thereof, about 50% w/w to about 99.2% w/w of solvent, about 0.01% w/w to about 30% w/w of buffer, no more than about 5% w/w of preservative, and no more than about 5% w/w of surfactant.
  • the pharmaceutical composition comprises, about 0.05% w/w to about 5% w/w of the compound of formula (I), or a pharmaceutically acceptable salt thereof, about 50% w/w to about 99% w/w of solvent, about 0.01% w/w to about 30% w/w of buffer, no more than about 60% w/w of taste-masking agent, no more than about 5% w/w of preservative, and no more than about 5% w/w of surfactant.
  • the pharmaceutical composition comprises; about 0.10% w/w to about 2% w/w of the compound of formula (I), or a pharmaceutically acceptable salt thereof, about 65% w/w to about 99% w/w of solvent, about 0.20% w/w to about 3% w/w of buffer, and about 15% w/w to about 50% w/w of taste-masking agent.
  • the pharmaceutical composition comprises, about 0.44% w/w of the compound of formula (I), or a pharmaceutically acceptable salt thereof, about 99.14% w/w of solvent, and about 0.42% w/w of buffer.
  • the pharmaceutical composition comprises, about 0.47% w/w of the compound of formula (II), or a crystalline form thereof, about 77.36% w/w of solvent, about 21.75% w/w of taste-masking agent, and about 0.42% w/w of buffer.
  • the pharmaceutical composition comprises, about 0.47% w/w of the compound of formula (II), or a crystalline form thereof, about 98.41% w/w of solvent, about 0.7% w/w of taste-masking agent, and about 0.42% w/w of buffer.
  • the pharmaceutical composition comprises, about 0.47% w/w of the compound of formula (II), or a crystalline form thereof, about 78.11% w/w of solvent, about 21% w/w of taste-masking agent, and about 0.42% w/w of buffer.
  • the pharmaceutical composition of the present invention is a liquid oral pharmaceutical dosage form.
  • the pharmaceutical composition dosage form is for pediatric dosing.
  • the pharmaceutical composition dosage form is for dosing adults.
  • the pharmaceutical composition of the present invention comprises a salt of the compound of formula (I), preferably the sodium salt of formula (II), or a crystalline form thereof.
  • the amount of the compound of formula (I), or a pharmaceutically acceptable salt thereof, present in the test sample may be measured by comparison to a reference standard of the compound of formula (II), or a crystalline form thereof. Based on a 1:1 molecular ratio for the conversion of the compound of formula (I) to the compound of formula (II), a molecular weight conversion gives the amount of the compound of formula (I) present in the test sample.
  • the amount of the compound of formula (I), or a pharmaceutically acceptable salt thereof, present in a pharmaceutical composition is expressed as the equivalent amount of the compound of formula (II), based on the relative molecular weights of the compound of formula (I) and the compound of formula (II).
  • the pharmaceutical composition comprises 0.47% w/w of the compound formula (II), which is equivalent to 0.44% w/w of the compound formula (I) taking into account the molecular weight conversion.
  • the pharmaceutical composition comprises a compound of formula (I) or a compound of formula (II), which is present in an amount of about 0.05% w/w to about 5% w/w. In some other embodiments, the compound of formula (I) or the compound of formula (II) is present in an amount of about 0.10% w/w to about 2% w/w.
  • the compound of formula (I) or the compound of formula (II) is present in an amount of about 0.10% w/w, or about 0.20% w/w, or about 0.30% w/w, or about 0.40% w/w, or about 0.50% w/w, or about 1.0% w/w, or about 1.5% w/w, or about 2.0% w/w, or about 2.5% w/w, or about 3.0% w/w, or about 3.5% w/w, or about 4.0% w/w, or about 4.5% w/w, or about 5.0% w/w.
  • the compound of formula (I) or the compound of formula (II) is present in an amount of about 0.10% w/w, or about 0.15% w/w, or about 0.20% w/w, 0.25% w/w, or about 0.30% w/w, or about 0.35% w/w, or about 0.40% w/w, or about 0.45% w/w, or about 0.50% w/w, or about 0.55% w/w, or about 0.60% w/w, or about 0.65% w/w, or about 0.70% w/w, or about 0.75% w/w, or about 0.80% w/w, or about 0.85% w/w, or about 0.90% w/w, or about 0.95% w/w, or about 1.0% w/w, or about 1.05% w/w, or about 1.10% w/w, or about 1.15% w/w, or about 1.20% w/w, or about 1.2
  • the compound of formula (I) or the compound of formula (II) is present in an amount of about 0.40% w/w to about 0.50% w/w. In yet some other embodiments, the compound of formula (I) or the compound of formula (II) is present in an amount of about 0.21% w/w, or about 0.22% w/w, or about 0.23% w/w, or about 0.24% w/w, or about 0.25% w/w, or about 0.26% w/w, or about 0.27% w/w, or about 0.28% w/w, or about 0.29% w/w, or about 0.30% w/w, or about 0.31% w/w, or about 0.32% w/w, or about 0.33% w/w, or about 0.34% w/w, or about 0.35% w/w, or about 0.36% w/w, or about 0.37% w/w, or about 0.38% w/w, or about 0.29%
  • the pharmaceutical composition comprises solvent present in an amount of about 50% w/w to about 99.2% w/w. In some other embodiments, the pharmaceutical composition comprises solvent present in an amount of about 65% w/w to about 99% w/w. In some other embodiments, the pharmaceutical composition comprises solvent present in an amount of about 75% w/w to about 99% w/w.
  • the pharmaceutical composition comprises solvent present in an amount of about 65% w/w, or about 66% w/w, or about 67% w/w, or about 68% w/w, or about 69% w/w, or about 70% w/w, or about 71% w/w, or about 72% w/w, or about 73% w/w, or about 74% w/w, or about 75% w/w, or about 76% w/w, or about 77% w/w, or about 78% w/w, or about 79% w/w, or about 80% w/w, or about 81% w/w, or about 82% w/w, or about 83% w/w, or about 84% w/w, or about 85% w/w, or about 86% w/w, or about 87% w/w, or about 88% w/w, or about 89% w/w, or about 90% w/w, or about 91% w/w, or about w
  • the pharmaceutical composition comprises solvent present in an amount of about 99.11% w/w, or about 99.12% w/w, or about 99.13% w/w, or about 99.14% w/w, or about 99.15% w/w, or about 99.16% w/w, or about 99.17% w/w, or about 99.18% w/w, or about 99.19% w/w, or about 99.2% w/w.
  • the pharmaceutical composition comprises solvent present in an amount of about 77.65% w/w, or about 77.66% w/w, or about 77.67% w/w, or about 77.68% w/w, or about 77.69% w/w, or about 77.70% w/w, or about 77.71% w/w, or about 77.72% w/w, or about 77.73% w/w, or about 77.74% w/w, or about 77.75% w/w.
  • Suitable solvents include, but are not limited to, propylene glycol, glycerin, polyethylene glycol (PEG400), polyethylene glycol (PEG3350), ethanol, cyclodextrins (e.g., hydroxypropyl beta cyclodextrin (HPBCD)), vegetable oils, castor oil, medium-chain tryglycerides, purified water and mixtures thereof.
  • the solvent is a mixture of PEG400, propylene glycol, and purified water.
  • the pharmaceutical composition comprises buffer present in an amount of no more than about 30% w/w. In some other embodiments, the pharmaceutical composition comprises buffer present in an amount of about 0.20% w/w to about 3% w/w. In still other embodiments, the pharmaceutical composition comprises buffer present in an amount of about 1.0% w/w, or about 1.5% w/w, or about 2.0% w/w, or about 2.5% w/w, or about 3.0% w/w, or about 3.5% w/w, or about 4.0% w/w, or about 4.5% w/w, or about 5.0% w/w, or about 5.5% w/w, or about 6.0% w/w, or about 6.5% w/w, or about 7.0% w/w, or about 7.5% w/w, or about 8.0% w/w, or about 8.5% w/w, or about 9.0% w/w, or about 9.5% w/w, or about 10.0% w/w.
  • the pharmaceutical composition comprises buffer present in an amount of or about 15% w/w, or about 20% w/w, or about 25% w/w, or about 30% w/w. In still other embodiments, the pharmaceutical composition comprises buffer present in an amount of about 0.01% w/w, or about 0.05% w/w, or about 0.10% w/w, or about 0.15% w/w, or about 0.20% w/w, or about 0.25% w/w, or about 0.30% w/w, or about 0.35% w/w, or about 0.40% w/w, or about 0.45% w/w, or about 0.50% w/w, or about 0.55% w/w, or about 0.60% w/w, or about 0.65% w/w, or about 0.70% w/w, or about 0.75% w/w, or about 0.80% w/w, or about 0.85% w/w, or about 0.90% w/w, or about 0.95% w.
  • Suitable buffers include, but are not limited to, sodium bicarbonate, disodium phosphate, dipotassium phosphate, potassium bicarbonate, sodium carbonate, potassium carbonate, and mixtures thereof.
  • the buffer is sodium bicarbonate.
  • the pharmaceutical composition optionally comprises a preservative, which may be present in an amount of no more than about 5% w/w. In some other embodiments, the preservative is present in an amount of no more than about 2% w/w. In some other embodiments, the preservative is present in an amount of no more than about 1% w/w.
  • the preservative is present in an amount of about 0.5% w/w, or about 1.0% w/w, or about 1.5% w/w, or about 2.0% w/w, or about 2.5% w/w, or about 3.0% w/w, or about 3.5% w/w, or about 4.0% w/w, or about 4.5% w/w, or about 5.0% w/w.
  • the pharmaceutical composition comprises a preservative present in an amount of about 0.01% w/w, or about 0.05% w/w, or about 0.10% w/w, or about 0.15% w/w, or about 0.20% w/w, or about 0.25% w/w, or about 0.30% w/w, or about 0.35% w/w, or about 0.40% w/w, or about 0.45% w/w, or about 0.50% w/w, or about 0.55% w/w, or about 0.60% w/w, or about 0.65% w/w, or about 0.70% w/w, or about 0.75% w/w, or about 0.80% w/w, or about 0.85% w/w, or about 0.90% w/w, or about 0.95% w/w.
  • Suitable preservatives include, but are not limited to, parabens, such as methylparaben, ethylparaben, propylparaben, butylparaben, isobutylparaben, isopropylparaben, benzylparaben and their sodium salts, butylated hydroxy anisole, butylated hydroxy toluene, EDTA, formaldehyde-generating derivatives, sodium benzoate, potassium sorbate, and mixtures thereof.
  • the preservative is a mixture of methylparaben and propylparaben.
  • the pharmaceutical composition optionally comprises a surfactant, which may be present in an amount of no more than about 5% w/w. In some other embodiments, the surfactant is present in an amount of no more than about 2% w/w. In some other embodiments, the surfactant is present in an amount of no more than about 1% w/w.
  • a surfactant which may be present in an amount of no more than about 5% w/w. In some other embodiments, the surfactant is present in an amount of no more than about 2% w/w. In some other embodiments, the surfactant is present in an amount of no more than about 1% w/w.
  • the surfactant is present in an amount of about 0.5% w/w, or about 1.0% w/w, or about 1.5% w/w, or about 2.0% w/w, or about 2.5% w/w, or about 3.0% w/w, or about 3.5% w/w, or about 4.0% w/w, or about 4.5% w/w, or about 5.0% w/w.
  • the pharmaceutical composition comprises surfactant present in an amount of about 0.01% w/w, or about 0.05% w/w, or about 0.10% w/w, or about 0.15% w/w, or about 0.20% w/w, or about 0.25% w/w, or about 0.30% w/w, or about 0.35% w/w, or about 0.40% w/w, or about 0.45% w/w, or about 0.50% w/w, or about 0.55% w/w, or about 0.60% w/w, or about 0.65% w/w, or about 0.70% w/w, or about 0.75% w/w, or about 0.80% w/w, or about 0.85% w/w, or about 0.90% w/w, or about 0.95% w/w.
  • Suitable surfactants include, but are not limited to, sodium lauryl sulfate, sodium dodecyl sulfate, polysorbates (e.g., Tween 20 and Tween 80), poloxamers (e.g., Poloxamer 331 and Poloxamer 407), glyceryl monooleate, and mixtures thereof.
  • the surfactant is sodium lauryl sulfate.
  • the pharmaceutical composition optionally comprises a taste-masking agent, which may be present in an amount of no more than about 60% w/w. In some other embodiments, the taste-masking agent is present in an amount of about 15% w/w to about 50% w/w.
  • the taste-masking agent is present in an amount of about 0.05% w/w, or about 0.10% w/w, or about 0.15% w/w, or about 0.20% w/w, or about 0.25% w/w, or about 0.50% w/w, or about 0.60% w/w, or about 0.70% w/w, or about 0.80% w/w, or about 0.90% w/w, or about 1% w/w, or about 2% w/w, or about 3% w/w, or about 4% w/w, or about 5% w/w, or about 10% w/w, or about 15% w/w, or about 20% w/w, or about 25% w/w, or about 30% w/w, or about 35% w/w, or about 40% w/w, or about 45% w/w, or about 50% w/w, or about 55% w/w, or about 60% w/w.
  • the pharmaceutical composition optionally comprises a taste-masking agent present in an amount of about 21% w/w, or about 22% w/w, or about 23% w/w, or about 24% w/w, or about 25% w/w, or about 26% w/w, or about 27% w/w, or about 28% w/w, or about 29% w/w, or about 30% w/w, or about 31% w/w, or about 32% w/w, or about 33% w/w, or about 34% w/w, or about 35% w/w, or about 36% w/w, or about 37% w/w, or about 38% w/w, or about 39% w/w.
  • a taste-masking agent present in an amount of about 21% w/w, or about 22% w/w, or about 23% w/w, or about 24% w/w, or about 25% w/w, or about 26% w/w, or about
  • the taste-masking agent comprises a sweetener.
  • suitable sweeteners include, but are not limited to, sucrose, dextrose, fructose, high fructose corn syrup, maltol, invert sugar, sorbitol, saccharin, maltitol, xylitol, saccharin sodium, sucralose, aspartame, acesulfame potassium, and cyclamates and mixtures thereof.
  • Sweeteners may be added to the formulation in the form of solutions in water, e.g., a 70% solution of sorbitol in water, or syrups, e.g., Lycasin®.
  • the sweetener is sorbitol.
  • the sweetener is acesulfame potassium.
  • the sweetener is a mixture of sorbitol and acesulfame potassium.
  • the taste-masking agent comprises a flavoring agent.
  • suitable flavoring agents include, but are not limited to, artificial flavor systems such as, strawberry, orange, mixed berry or bubblegum (Ungerer & Co., Lincoln Park, N.J.).
  • the pharmaceutical composition of the present invention comprises an anti-foaming agent.
  • Suitable anti-foaming agents include, but are not limited to, simethicone, dimethicone and mixtures thereof.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, PEG 400, sodium bicarbonate, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, sodium lauryl sulfate, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, sodium lauryl sulfate, methylparaben, propylparaben, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, glycerin, methylparaben, propylparaben, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, PEG 400, sodium bicarbonate, glycerin, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, a taste-masking agent, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, PEG 400, sodium bicarbonate, a taste-masking agent, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, sodium lauryl sulfate, a taste-masking agent, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, sodium lauryl sulfate, methylparaben, propylparaben, a taste-masking agent, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, sodium bicarbonate, glycerin, methylparaben, propylparaben, a taste-masking agent, and purified water.
  • the pharmaceutical composition of the present invention comprises, the compound of formula (I), propylene glycol, PEG 400, sodium bicarbonate, glycerin, a taste-masking agent, and purified water.
  • One embodiment of the invention is directed to a unit dose pharmaceutical composition
  • a unit dose pharmaceutical composition comprising about 0.05 mg/mL to about 25 mg/mL of or a pharmaceutically acceptable salt thereof.
  • the unit dose pharmaceutical composition comprises about 0.1 mg/mL to about 3 mg/mL of the compound of formula (I), or a pharmaceutically acceptable salt thereof.
  • the invention provides a process for the bulk production of an oral liquid pharmaceutical dosage form of the compound of formula (I), or a pharmaceutically acceptable salt thereof, comprising the steps of:
  • the invention provides a process for the bulk production of an oral liquid pharmaceutical dosage form of the compound of formula (I), or a pharmaceutically acceptable salt thereof, comprising the steps of:
  • the invention provides a process for the bulk production of an oral liquid pharmaceutical dosage form of the compound of formula (I), or a pharmaceutically acceptable salt thereof, comprising the steps of:
  • the compound of formula (I) of step (a-1) is a pharmaceutically acceptable salt of the compound of formula (I). If pharmaceutically acceptable salts of the compound of formula (I) are utilized in preparing the compositions of the invention, the salts preferably are base addition salts.
  • Suitable base addition salts include, without limitation, ammonium salts, alkali metal salts, such as sodium and potassium salts, alkaline earth metal salts, such as calcium and magnesium salts, salts with organic bases, such as dicyclohexylamine, N-methyl-D-glucamine, t-butylamine, ethylene diamine, ethanolamine, and choline, and salts with amino acids such as arginine, lysine, and so forth.
  • alkali metal salts such as sodium and potassium salts
  • alkaline earth metal salts such as calcium and magnesium salts
  • salts with organic bases such as dicyclohexylamine, N-methyl-D-glucamine, t-butylamine, ethylene diamine, ethanolamine, and choline
  • salts with amino acids such as arginine, lysine, and so forth.
  • the active ingredient of step (a-1) is a compound of formula (I), or a sodium or potassium salt thereof. In some embodiments, the active ingredient of step (a-1) is the sodium salt of formula (II), or a crystalline form thereof.
  • the active ingredient of step (a-1) is a crystalline form of the compound of formula (I). In some other embodiments, the active ingredient of step (a-1) is a crystalline form of a pharmaceutically acceptable salt of the compound of formula (I).
  • a pharmaceutically acceptable salt of the compound of formula (I) and crystalline forms thereof can be found in U.S. Pat. No. 7,572,784, US Publication No. 2008/0167292, and U.S. Application No. 61/306,047, filed Feb. 19, 2010, hereby incorporated by reference in their entirety.
  • theactive ingredient of step (a-1) is a polymorph of the sodium salt of formula (II), for example form 1 or form 2, as described in WO 08/063525 and US 2008/0167292, herein incorporated by reference in their entirety.
  • the process steps outlined above employ conventional apparatus or equipment.
  • the dissolving step (a-1) outlined herein can take place in any conventional apparatus or equipment.
  • Examples of such equipment include, but are not limited to, overhead mixers such as IKA® Mixers, and LIGHTNIN Stainless Steel Enhanced classic Line (ECL) portable mixers.
  • the filtering step (a-2) outlined herein can take place in any conventional apparatus or equipment.
  • Examples of such equipment include, but are not limited to, 10 ⁇ M polypropylene filters, and nylon filters.
  • the filling step (a-3) outlined herein can take place using any conventional apparatus or equipment.
  • a bottle suitable to hold a desired quantity of the pharmaceutical composition and provide stable storage conditions examples include, but are not limited to, USP Type I borosilicate glass bottles, USP Type III soda-lime glass bottles, and polyethylene terephthalate (PETE) plastic bottles.
  • the aforementioned bottles may be fitted with a suitably sized cap, which may optionally be child resistant.
  • suitable caps include, but are not limited to, 20-400 or 24-400 polypropylene caps.
  • the aforementioned caps have liners, e.g., F217 foamed polyethylene liners or TRI-Foil® WP F-217 liners (Tri-Seal Holdings Inc., Blauvelt, N.Y.). It will be understood by one skilled in the art that the cap size may change according to the bottle size.
  • the pharmaceutical compositions of the present invention may be administered via dose delivery devices including, but not limited to, spoons, droppers, measuring cups, cylindrical measuring scoops, graduated pipettes, and oral syringes, which may optionally be pre-filled with the pharmaceutical compositions of the present invention.
  • compositions may be administered using any amount effective for treating the disease.
  • the exact amount required will vary from subject to subject, depending on the species, age, and general condition of the subject, the severity of the infection, the particular agent, its mode of administration, and the like.
  • the pharmaceutical compositions are preferably formulated in an oral pharmaceutical dosage form for ease of administration and uniformity of dosage.
  • unit dosage form refers to a physically discrete unit of agent appropriate for the subject to be treated. It will be understood, however, that the total daily usage of the pharmaceutical compositions of the present invention will be decided by the attending physician within the scope of sound medical judgment.
  • the specific effective dose level for any particular patient or organism will depend upon a variety of factors including the disease being treated and the severity of the disease; the activity of the specific compound employed; the specific composition employed; the age, body weight, general health, sex and diet of the patient; the time of administration, route of administration, and rate of excretion of the specific compound employed; the duration of the treatment; drugs used in combination or coincidental with the specific compound employed, and like factors well known in the medical arts.
  • patient means an animal, preferably a mammal, and most preferably a human.
  • the compounds of the invention may be administered orally at total dosage levels of about 1.0 mg/kg to about 7.0 mg/kg and preferably from about 1.4 mg/kg to about 6.2 mg/kg, of subject body weight per day, administered in one or more doses during the day, to obtain the desired therapeutic effect.
  • the physical and chemical stability of the oral pharmaceutical dosage form may be tested in a conventional manner, for example, by appearance, or assay for the compound of formula (I), or a pharmaceutically acceptable salt thereof, degradation products, after storage at different temperatures for different lengths of time.
  • the pharmacological properties of the pharmaceutical composition is such that it is suitable for use in the treatment of patients suffering from or subject to diseases, disorders or conditions mediated by Aurora kinases, in particular Aurora A or B.
  • Inhibiting Aurora kinase activity, in particular Aurora A or B may serve to treat a number of diseases involving cell survival, proliferation and migration, including chronic inflammatory proliferative disorders, e.g., psoriasis and rheumatoid arthritis; proliferative ocular disorders, e.g., diabetic retinopathy; benign proliferative disorders, e.g., hemangiomas; and cancer.
  • the invention pertains to a method for treating cancer, comprising the administration of a therapeutically effective amount of the pharmaceutical composition of the present invention to a subject in need thereof.
  • the cancer is a solid tumor.
  • solid tumors that can be treated by the methods of the invention include pancreatic cancer; bladder cancer; colorectal cancer; breast cancer, including metastatic breast cancer; prostate cancer, including androgen-dependent and androgen-independent prostate cancer; renal cancer, including, e.g., metastatic renal cell carcinoma; hepatocellular cancer; lung cancer, including, e.g., non-small cell lung cancer (NSCLC), bronchioloalveolar carcinoma (BAC), and adenocarcinoma of the lung; ovarian cancer, including, e.g., progressive epithelial or primary peritoneal cancer; cervical cancer; gastric cancer; esophageal cancer; head and neck cancer, including, e.g., squamous cell carcinoma of the head and neck; mel
  • the cancer is a hematologic malignancy.
  • hematologic malignancy include acute myeloid leukemia (AML); chronic myelogenous leukemia (CML), including accelerated CML and CML blast phase (CML-BP); acute lymphoblastic leukemia (ALL); chronic lymphocytic leukemia (CLL); Hodgkin's disease (HD); non-Hodgkin's lymphoma (NHL), including follicular lymphoma and mantle cell lymphoma; B-cell lymphoma; T-cell lymphoma; multiple myeloma (MM); Waldenstrom's macroglobulinemia; myelodysplastic syndromes (MDS), including refractory anemia (RA), refractory anemia with ringed siderblasts (RARS), refractory anemia with excess blasts (RAEB), and RAEB in transformation (RAEB-T); and myeloproliferative syndromes
  • AML acute myeloid
  • the cancer is selected from the group consisting of colorectal cancer, ovarian cancer, breast cancer, gastric cancer, prostate cancer, and pancreatic cancer. In still other embodiments, the cancer is selected from the group consisting of neuroblastoma or ALL. In certain particular embodiments, the cancer is pediatric neuroblastoma or pediatric ALL.
  • the pharmaceutical composition may be used in an application of monotherapy to treat a disorder, disease or symptom, it also may be used in combination therapy, in which the use of an inventive compound or composition (therapeutic agent) is combined with the use of one or more other therapeutic agents for treating the same and/or other types of disorders, symptoms and diseases.
  • Combination therapy includes administration of the therapeutic agents concurrently or sequentially.
  • the therapeutic agents can be combined into one composition which is administered to the patient.
  • the pharmaceutical composition of the invention is used in combination with other therapeutic agents, such as other inhibitors of kinases, especially serine/threonine kinases.
  • the pharmaceutical composition of the invention is administered in conjunction with a therapeutic agent selected from the group consisting of cytotoxic agents, radiotherapy, and immunotherapy. It is understood that other combinations may be undertaken while remaining within the scope of the invention.
  • polymorph form 1 of formula (II) was used in the examples described herein, it will be understood that polymorph form 1 of formula (II), or any polymorph form of formula (II) may be used to prepare the pharmaceutical composition of the present invention. Further examples of polymorphs of formula (II) may be found in U.S. Application No. 61/306,047, filed Feb. 19, 2010, hereby incorporated by reference in its entirety.
  • a 25.0 kg batch was manufactured by the following process.
  • Sodium 4- ⁇ [9-chloro-7-(2-fluoro-6-methoxyphenyl)-5H-pyrimido[5,4-d][2]benzazepin-2-yl]amino ⁇ -2-methoxybenzoate polymorph form 2 of formula (II) (0.119 kg) was screened and solubilized with polyethylene glycol 400 (7.5 kg) and propylene glycol (7.5 kg) to provide mixture #1 using an IKA mixer model RW-20 with a stainless steel marine-type propeller.
  • composition Composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Polyethylene Glycol 400 Solvent 30.0 Sorbitol Taste-masking 30.0 (added as a 70% Agent solution in water) Propylene Glycol Solvent 30.0 Sodium Bicarbonate Buffer 0.42 Purified Water Solvent 9.11
  • composition Composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 50.0 Sodium Bicarbonate Buffer 0.42 Sodium Lauryl Sulfate Surfactant 0.50 Methylparaben Preservative 0.18 Propylparaben Preservative 0.02 Purified Water Solvent 48.41
  • composition Composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Glycerin Solvent 30.0 Propylene Glycol Solvent 30.0 Sodium Bicarbonate Buffer 0.42 Sorbitol Taste-masking 30.0 (added as a 70% Agent solution in water) Methylparaben Preservative 0.18 Propylparaben Preservative 0.02 Purified Water Solvent 8.91
  • Example 4 The pharmaceutical composition shown below in Table 4 was prepared using procedures generally similar to those described in Example 1.
  • composition Composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 50.0 Sodium Lauryl Sulfate Surfactant 0.50 Sodium Bicarbonate Buffer 0.42 Maltitol Taste-masking Agent 30.0 Methylparaben Preservative 0.18 Propylparaben Preservative 0.02 Purified Water Solvent 18.41
  • composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 50.0 Sodium Lauryl Sulfate Surfactant 0.50 Sodium Bicarbonate Buffer 0.42 Xylitol Taste-masking Agent 30.0 Methylparaben Preservative 0.18 Propylparaben Preservative 0.02 Purified Water Solvent 18.41
  • composition Composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 15.0 Glycerin Solvent 30.0 Sodium Bicarbonate Buffer 0.42 Polyethylene Glycol 400 Solvent 15.0 Acesulfame Potassium Taste-masking 0.70 Agent Purified Water Solvent 38.41
  • composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 15.0 Glycerin Solvent 30.0 Sodium Bicarbonate Buffer 0.42 Polyethylene Glycol 400 Solvent 15.0 Sorbitol Taste-masking 20.0 Agent Purified Water Solvent 19.11
  • composition Material Function (% w/w) Compound of formula (II) Drug Substance 0.47 Propylene Glycol Solvent 15.0 Glycerin Solvent 30.0 Sodium Bicarbonate Buffer 0.42 Polyethylene Glycol 400 Solvent 15.0 Sorbitol Taste-masking 21.0 Agent Acesulfame Potassium Taste-masking 0.40 Agent Artificial Bubblegum Taste-masking 0.35 Flavor Agent Purified Water Solvent 17.36
  • Mobile Phase The gradient starts at 75% mobile phase A (0.1% triflouroacetic acid in water) and 25% mobile phase B (0.1% triflouroacetic acid in acetonitrile) and ends in 15% mobile phase A after 42 minutes.
  • the test sample is prepared by dissolving an aliquot of the pharmaceutical composition in diluent, which is 50:50 (v/v) acetonitrile:water.
  • the presence of the compound of formula (I) in the test sample is confirmed by comparison of the sample retention time to that of a reference standard.
  • the reference standard employed is a known amount of the compound of formula (II), of known purity.
  • the reference standard is prepared by dissolving the compound of formula (II) in 50:50 (v/v) acetonitrile:water.
  • the amount of the compound of formula (I) present in the sample is calculated from area under the peak, on a weight-to-weight comparison including a molecular weight conversion, with the area under the peak of the reference standard.
  • the molecular weight conversion accounts for the molecular weight ratio of formula (I) to formula (II).
  • the reference standard employed may be a known amount of the compound of formula (I), of known purity, which may be prepared under the same conditions as the reference standard of the compound of formula (II).
  • the limit of quantitation for the method is 0.05% and the calculated limit of detection is 0.02%.

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US20100183601A1 (en) * 2008-12-22 2010-07-22 Millennium Pharmaceuticals, Inc. Combination of Aurora Kinase Inhibitors and Anti-CD20 Antibodies
WO2012167247A1 (en) 2011-06-03 2012-12-06 Millennium Pharmaceuticals, Inc. Combination of mek inhibitors and selective inhibitors of aurora a kinase
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