WO2024086664A2 - Covalent inhibitors of wild-type and mutant pi3k and method of uses thereof - Google Patents
Covalent inhibitors of wild-type and mutant pi3k and method of uses thereof Download PDFInfo
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- WO2024086664A2 WO2024086664A2 PCT/US2023/077222 US2023077222W WO2024086664A2 WO 2024086664 A2 WO2024086664 A2 WO 2024086664A2 US 2023077222 W US2023077222 W US 2023077222W WO 2024086664 A2 WO2024086664 A2 WO 2024086664A2
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- 229940057977 zinc stearate Drugs 0.000 description 1
Definitions
- Phosphatidylinositol 3 -kinases comprise a family of lipid kinases that catalyze the transfer of phosphate to the 3 -position of the inositol ring of phosphatidylinositol and its derivatives to produce phosphoinositol-3 -phosphate (PI(3)P), phosphoinositol-3,4-diphosphate (PI(3,4)P2) and phosphoinositol-3, 4, 5 -triphosphate (PI(3,4,5)P3) that, in turn, act as second messengers in signaling cascades by docking proteins containing pleckstrin-homology, FYVE, Phox and other phospholipid-binding domains into a variety of signaling complexes often at the plasma membrane ((Vanhaesebroeck et al., Annu.
- PI3Ks have been divided into three classes according to their structural characteristics and substrate specificity. Class IA PI3Ks are heterodimers composed of a pl 10 catalytic subunit and a p85 regulatory subunit. In mammals, there are three genes, PIK3CA, PIK3CB and PIK3CD, encoding pl 10 catalytic isoforms: pl 10a, pl iop and pl 105, respectively.
- the modular domains of the p85/55/50 subunits include Src Homology (SH2) domains that bind phosphotyrosine residues in a specific sequence context on activated receptor and cytoplasmic tyrosine kinases, resulting in activation and localization of Class 1A PI3Ks.
- SH2 Src Homology
- Class IB PI3K is a heterodimer composed of a catalytic subunit pl lOy and a regulatory subunit plOl. pl lOy is mainly expressed in leukocytes and can be activated directly by GPCRs.
- Class II PI3Ks are monomers with only a single catalytic subunit.
- Class III PI3Ks consists of a single catalytic subunit Vps34 (homolog of the yeast vacuolar protein-sorting defective 34).
- the phospholipid products of class I PI3K link upstream receptors with downstream cellular activities including proliferation, survival, chemotaxis, cellular trafficking, motility, metabolism, inflammatory and allergic responses, transcription and translation (Cantley et al., Cell 64:281 (1991); Escobedo and Williams, Nature 335:85 (1988); Fantl et al., Cell 69:413 (1992)).
- the present invention includes methods, pharmaceutical combinations or methods of use thereof of pharmaceutical combinations comprising a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof.
- the kinase is PI3-kinase (PI3K).
- the methods may include treating cancer in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound of Formula A and wherein the subject has a wildtype or mutant form of PI3 -kinase (PI3K): (FCB)a-(L)b-(CLM)c, (Formula A) or a pharmaceutically acceptable salt thereof, wherein: CLM is a covalent linking modality;
- L is a linker; a and c are each independently integers between 1 and b is an integer between 0 and 5;
- FCB comprises:
- FCB has the structure: wherein Ri is selected from the group consisting of:
- the compound is Compound 1 : Compound 1.
- the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
- the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
- the kinase is a mutated PI3Ka or mutated PI3K0. In another embodiment, the kinase is mutated PI3Ka.
- the subject has a mutation of AKT phosphatase, and/or PTEN. In another embodiment, wherein the subject has the oncogene PIK3Ca.
- the subject has a mutation in PIK3CA and/or PTEN. In embodiments, the subject has a mutation in PIK3CA and PTEN.
- the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor.
- the earlier administered PI3K inhibitor is a non-covalent PI3K inhibitor e.g., an ATP-competitive inhibitor or an allosteric inhibitor.
- the earlier administered PI3K inhibitor is alpelisib.
- the earlier administered PI3K inhibitor is GDC-0077.
- the subject has cancer characterized by a PIK3CA mutation and/or
- the cancer is characterized by PTEN low status or PTEN loss.
- the subjects may have cancer or a cancer cell that no longer expresses PTEN.
- the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT.
- the phosphorylated AKT is pAKT(S473).
- the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least 24 hrs, at least 48 hrs, at least 3 days, at least 4 days, at least 5 days, at least 6 days, at least 7 days, or at least 2 weeks.
- the subject is human.
- the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
- the methods may include treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, wherein the kinase is wildtype or mutant PI3 -kinase (PI3K).
- PI3K PI3 -kinase
- FIG. 1 shows % inhibition by Compound 1 across different isoforms of PI3K.
- FIG. 2 depicts a comparison of IC50 values of Compound 1 with best-in-class PI3Ka selective inhibitors across different isoforms of PI3K.
- FIG. 3 shows binding of Compound 1 (luM) over 450 kinases with KINOMEScanTM
- FIG. 4 shows IC50 values of Compound 1, Alpelisib and GDC-007 tested on HEK293 cells transfected with a luciferase-PI3Ka at 1, 3 and 5 hours.
- FIG. 5 shows Western blots of protein extracts obtained from wild-type PTEN (MCF-7) cells and mutant PTEN (CAL51) cells treated with Compound 1 or Alpelisib.
- FIG. 6 shows inhibition of pAKT by compound 1 compared to three other mutantspecific PI3Ka inhibitors in PI3Ka-mutant Breast Cancer Cell Line (T-47D).
- FIG. 7 shows inhibition of cancer cell proliferation by either Compound 1 or Alpelisib.
- FIG. 8 shows anti-tumor activity of compound 1 in human lung cancer (NCLH460) xenograft model. The average tumor volume of 10 mice per group with standard error of the mean are shown.
- FIG. 9 shows anti-tumor activity of compound 1 in subcutaneous human colorectal cancer (SW948) xenograft model. The average tumor volume of 10 mice per group with standard error of the mean are shown.
- FIG. 10A, FIG. 10B, and FIG. 10C shows a summary of Compound 1 efficacy in multiple PDX Models.
- FIG. 11 A shows a graph of glucose concentration vs time in a PI3Ka knockout hepatocyte.
- FIG. 11B shows a graph of glucose concentration vs time in a PI3Ka knockout skeletal muscle.
- FIG. 12 is a graph showing blood glucose levels in both male and female dogs over time.
- FIG. 13 shows anti-tumor activity of compound 1 in a breast cancer CDX model following treatment with Compound 1 at 10 mg/kg QD, 2.25 mg/kg BID, 1 mg/kg BID, 0.75 mg/kg BID, 0.5 mg/kg BID, and 3 mg/kg BID.
- FIG. 14 shows anti-tumor activity of compound 1 in a breast cancer PDX model following treatment with Compound 1 at 10 mg/kg QD, 3 mg/kg BID, 0.75 mg/kg BID, and 2.25 mg/kg BID.
- FIG. 15 shows blood glucose levels from GLP toxicology studies sampled at Compound 1 steady-state.
- FIG. 16 shows in vitro assessment of glucose uptake in human adipocytes treated with Compound 1 and other inhibitors. The proliferative impact on cancer cells has been overlayed on this data (T47D cells).
- FIG. 17 shows Mutant-specific non-covalent compounds cannot achieve durable inhibition and are highly susceptible to feedback.
- FIG. 18 shows inhibition of cell viability in multiple PI3Ka-mutant cell lines, of Compound 1 as compared to noncovalent inhibitors like Alpelisib and mutant-specific molecules.
- FIG. 19 shows Compound 1 uniquely achieves sustained inhibition of PI3Ka signaling and blocks feedback re-activation.
- ranges are provided for certain quantities. It is to be understood that these ranges comprise all subranges therein. Thus, the range “from 50 to 80” includes all possible ranges therein (e.g., 51-79, 52-78, 53-77, 54-76, 55-75, 60- 70, etc.). Furthermore, all values within a given range may be an endpoint for the range encompassed thereby (e.g., the range 50-80 includes the ranges with endpoints such as 55-80, SO- 75, etc.).
- PI3 -kinase (PI3K) modulator refers to one or more PI3 -kinase (PI3K) modulators or at least one PI3 -kinase (PI3K) modulator.
- the PI3 -kinase (PI3K) modulator is a PI3Ka modulator.
- the terms “a” (or “an”), “one or more” and “at least one” are used interchangeably herein.
- reference to “an inhibitor” by the indefinite article “a” or “an” does not exclude the possibility that more than one of the inhibitors is present, unless the context clearly requires that there is one and only one of the inhibitors.
- excipient means a substance with which a compound of the present invention is administered.
- carrier means a substance with which a compound of the present invention is administered.
- the term “combination therapy” refers to a first therapy that includes a compound having the formula: (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or pharmaceutically acceptable salt thereof, in conjunction with a second therapy (e.g., therapy, surgery and/or an additional pharmaceutical agent) useful for treating, stabilizing, preventing, and/or delaying the disease or condition.
- a second therapy e.g., therapy, surgery and/or an additional pharmaceutical agent
- Administration in “conjunction with” another therapeutically active agent includes administration in the same or different composition(s) and/or combinations, either sequentially, simultaneously, or continuously, through the same or different routes.
- the combination therapy optionally includes one or more pharmaceutically acceptable carriers or excipients, non-pharmaceutically active compounds, and/or inert substances.
- pharmaceutical combination refers to a single dosage form comprising at least two therapeutically active agents, or separate dosage forms comprising at least two therapeutically active agents together or separately for use in combination therapy.
- one therapeutically active agent may be formulated into one dosage form and the other therapeutically active agent may be formulated into a single or different dosage forms.
- one therapeutically active agent may be formulated into a solid oral dosage form whereas the second therapeutically active agent may be formulated into a solution dosage form for parenteral administration.
- additional pharmaceutical agent or “additional therapeutic agent” or “additional therapeutically active agent” with respect to the compounds described herein refers to an active agent other than the compounds of and/or their subgenera, or Compound 1, which is administered to elicit a therapeutic effect.
- the pharmaceutical agent(s) may be directed to a therapeutic effect related to the condition that the compounds of the present disclosure is intended to treat or prevent (e.g., cancer) or to further reduce the appearance or severity of side effects of the compounds of the present disclosure.
- a disorder characterized by cell proliferation or “a condition characterized by cell proliferation” include, but are not limited to, cancer, benign and malignant tumors.
- cancer and tumors include, but are not limited to, cancers or tumor growth of the colorectum, breast, lung, liver, pancreas, lymph node, colon, prostate, brain, head and neck, skin, kidney, blood and heart (e.g., leukemia, lymphoma, carcinoma).
- treating means one or more of relieving, alleviating, delaying, reducing, improving, or managing at least one symptom of a condition in a subject.
- the term “treating” may also mean one or more of arresting, delaying the onset (i.e., the period prior to clinical manifestation of the condition) or reducing the risk of developing or worsening a condition.
- the terms “inhibiting” or “reducing” cell proliferation is meant to slow down, to decrease, or, for example, to stop the amount of cell proliferation, as measured using methods known to those of ordinary skill in the art, by, for example, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, or 100%, when compared to proliferating cells that are not subjected to the methods, compositions , and combinations of the present application.
- an “effective amount” means the amount of a formulation according to the invention that, when administered to a patient for treating a state, disorder or condition is sufficient to effect such treatment.
- the “effective amount” will vary depending on the active ingredient, the state, disorder, or condition to be treated and its severity, and the age, weight, physical condition and responsiveness of the mammal to be treated.
- “Therapeutically effective amount” means the amount of a compound or a therapeutically active agent that, when administered to a patient for treating a disease or other undesirable medical condition, is sufficient to have a beneficial effect with respect to that disease or condition.
- the therapeutically effective amount will vary depending on the type of the selected compound or a therapeutically active agent, the disease or condition and its severity, and the age, weight, etc. of the patient to be treated. Determining the therapeutically effective amount of a given compound or a therapeutically active agent is within the ordinary skill of the art and requires no more than routine experimentation.
- terapéuticaally effective applied to dose or amount refers to that quantity of a compound or pharmaceutical formulation that is sufficient to result in a desired clinical benefit after administration to a patient in need thereof.
- a “subject” can be a human, non-human primate, mammal, rat, mouse, cow, horse, pig, sheep, goat, dog, cat and the like. In embodiments, the subject is human. In embodiments, the subject can be suspected of having or at risk for having a cancer.
- the terms “subject” and “patient” are used interchangeably throughout the present application.
- ‘Mammal” includes humans and both domestic animals such as laboratory animals (e.g., mice, rats, monkeys, dogs, etc.) and household pets (e.g., cats, dogs, swine, cattle, sheep, goats, horses, rabbits), and non-domestic animals such as wildlife and the like.
- laboratory animals e.g., mice, rats, monkeys, dogs, etc.
- household pets e.g., cats, dogs, swine, cattle, sheep, goats, horses, rabbits
- non-domestic animals such as wildlife and the like.
- substantially refers to the complete or nearly complete extent or degree of an action, characteristic, property, state, structure, item, or result.
- an object that is “substantially” enclosed would mean that the object is either completely enclosed or nearly completely enclosed.
- the exact allowable degree of deviation from absolute completeness may in some cases depend on the specific context. However, generally speaking, the nearness of completion will be so as to have the same overall result as if absolute and total completion were obtained.
- the use of “substantially” is equally applicable when used in a negative connotation to refer to the complete or near complete lack of action, characteristic, property, state, structure, item, or result.
- compositions that is “substantially free of’ other active agents would either completely lack other active agents, or so nearly completely lack other active agents that the effect would be the same as if it completely lacked other active agents.
- a composition that is “substantially free of’ an ingredient or element or another active agent may still contain such an item as long as there is no measurable effect thereof.
- the PI3K compounds include for example, Anchored Relational Covalent System, hereafter referred to as the ARCS, which comprises a Functionally Competent Binder, hereafter referred to as the FCB; a Covalent Linking Modality, hereafter referred to as the CLM, wherein the CLM is attached directly or indirectly to said therapeutic modality; and optionally a linker positioned between the FCB and the CLM.
- ARCS Anchored Relational Covalent System
- FCB Functionally Competent Binder
- CLM Covalent Linking Modality
- a linker positioned between the FCB and the CLM.
- a CLM is covalently attached to an FCB directly with a bond.
- a CLM is covalently attached to an FCB indirectly with a linker.
- the ARCS can form a covalent bond with one or multiple targets such as nucleotides, oligonucleotides, peptides, or proteins.
- the ARCS can form a covalent bond with a biological target.
- the covalent bond can be detected with any known method in the art. As a non-limiting example, covalent attachment of azido-small molecules to the proteins can be detected by using click chemistry to attach heavy, PEG- containing alkynes to the small molecules.
- the covalently labeled proteins are detected by a gel shift that occurs because they are now PEG- labeled and have a higher molecular weight (Biochemistry 2018, 57:5769-5774).
- mass spectrometry can be used to detect covalently-labeled, purified protein (Nature Chemical Biology 2007, 3:229-238).
- cellular quantitative mass spectrometrybased proteomic methods can be used to analyze covalent bonding (Cell Chemical Biology 2017, 24: 1388-1400. e7).
- X-ray crystallography is used to confirm covalent bond formation (Nature Chemical Biology 2007, 3:229-238; J. Med. Chem. 2020, 63:52- 65).
- mass spectrometry of in-cell, covalently-labeled, and affinity- enriched samples can be used to reveal the site of covalent modification (Nat. Chem. Biol. 2016, 12:876-884).
- the ARCS can form a covalent bond with the biological target to a percent of about 5%-100% of the biological target. In some embodiments, the ARCS can form a covalent bond with the biological target from about 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95% or 100%. In some embodiments, the covalent bond is formed in an aqueous solution at a temperature of 0-50°C, within 48 hours, and at a treatment dose of lOmM.
- the ARCS may first form a non-covalent bond with a biological target (such as a target protein) via an FCB, and then form a covalent bond with the biological target via a CLM.
- a biological target such as a target protein
- the efficacy of the ARCS is better than the efficacy of the FCB alone.
- the CLM does not substantially interfere with efficacy of the FCB.
- the FCB does not substantially interfere with covalent binding of the CLM.
- the toxicity of the ARCS is less than the toxicity of the FCB alone.
- FCB refers to a therapeutic modality that can be a known drug, a diagnostic compound, a drug candidate and a functional fragment and/or combination of any of the forgoing.
- the FCB encompasses free acid and free base forms; optical and tautomeric isomers; isotopes including radioisotopes and pharmaceutically acceptable salts of the drug, prodrug or fragment thereof.
- the FCBs may be small molecules, proteins, peptides, lipids, carbohydrates, sugars, nucleic acids, or combination thereof.
- the FCBs are nucleic acids including, but is not limited to DNA or RNA.
- the FCB may be a therapeutic agent such as, but not limited to, anticancer agents, anti-neurodegenerative agents, autoimmune drugs and anti-aging agents.
- the FCB may bind to a biological target non-covalently.
- the FCB may be a functional fragment of a drug.
- the term “functional fragment” as used herein, refers to a part of a drug or derivative or analog thereof that is capable of inducing a desired effect of the drug.
- the FCB may comprise an alkyne functional group. In some embodiments, the FCB may not comprise an alkyne functional group.
- peptide refers to a polymer composed of amino acid monomers linked by an amide bond.
- Amino acids may be D- or L- optical isomer.
- Peptides may be formed by condensation or coupling reaction with the amino group of one a- carbon carboxyl group and another amino acid. Peptides may be non-linear branched peptides or cyclic peptides.
- the peptide may be optionally modified or protected with divergent functional group or a protecting group including amino and / or carboxy termini.
- Amino acid residues of the peptide are abbreviated as follows. Phenylalanine is Phe or F, leucine is Leu or L, isoleucine is He or I, methionine is Met or M, valine is Vai or V, serine is Ser or S, proline is Pro or P, threonine is Thr or T, alanine is Ala or a, tyrosine is Tyr or Y, histidine is His or H, glutamine is Gin or Q, asparagine Asn or is N, lysine is Lys or K, aspartic acid is Asp or D, glutamic acid is Glu or E, cysteine is Cys or C, tryptophan is Trp or W, arginine is Arg or R , and glycine is Gly or G.
- CLM refers to any covalent binding modality that is capable of forming a covalent bond with the biological target.
- the CLM may be linked to an FCB by a bond or by a linker.
- the CLM may comprise one or more chemical moieties which can form a covalent bond with the biological target.
- the chemical moieties may be an electrophilic or nucleophilic group.
- the CLM may be a small molecule having a molecular weight of less than about 1,000 Da, less than about 900 Da, less than about 800 Da, less than about 700 Da, less than about 600 Da or less than about 500 Da. In some cases, the CLM may have a molecular weight of between about 5 Da and about 1,000 Da, between about 10 Da and about 900 Da, in some embodiments between about 20 Da and about 700 Da, in some embodiments bout 20 Da and about 500 Da, between about 50 Da and about 400 Da, in some embodiments between about 100 Da and about 300 Da, and in some embodiments between about 150 Da and about 300 Da.
- the biological target is a protein.
- Non-limiting examples of biological targets include kinase such as, but not limited to phosphoinositide 3 -kinases (PI3Ks) and pseudokinase.
- alkyl refers to the radical of saturated aliphatic groups, including straightchain alkyl groups, branched-chain alkyl groups, cycloalkyl (alicyclic) groups, alkyl- substituted cycloalkyl groups, and cycloalkyl-substituted alkyl groups.
- a straight chain or branched chain alkyl has 30 or fewer carbon atoms in its backbone (e.g., C1-C30 for straight chains, C3-C30 for branched chains), 20 or fewer, 12 or fewer, or 7 or fewer.
- cycloalkyls have from 3-10 carbon atoms in their ring structure, e.g. have 5, 6 or 7 carbons in the ring structure.
- alkyl (or “lower alkyl”) as used throughout the specification, examples, and claims is intended to include both “unsubstituted alkyls” and “substituted alkyls”, the latter of which refers to alkyl moieties having one or more substituents replacing a hydrogen on one or more carbons of the hydrocarbon backbone.
- substituents include, but are not limited to, halogen, hydroxyl, carbonyl (such as a carboxyl, alkoxycarbonyl, formyl, or an acyl), thiocarbonyl (such as a thioester, a thioacetate, or a thioformate), alkoxyl, phosphoryl, phosphate, phosphonate, a phosphinate, amino, amido, amidine, imine, cyano, nitro, azido, sulfhydryl, alkylthio, sulfate, sulfonate, sulfamoyl, sulfonamide, sulfonyl, heterocyclyl, aralkyl, or an aromatic or heteroaromatic moiety.
- carbonyl such as a carboxyl, alkoxycarbonyl, formyl, or an acyl
- thiocarbonyl such as a thioester, a thi
- lower alkyl as used herein means an alkyl group, as defined above, but having from one to ten carbons, or from one to six carbon atoms in its backbone structure. Likewise, “lower alkenyl” and “lower alkynyl” have similar chain lengths. Throughout the application, preferred alkyl groups are lower alkyls. In some embodiments, a substituent designated herein as alkyl is a lower alkyl.
- the moieties substituted on the hydrocarbon chain can themselves be substituted, if appropriate.
- the substituents of a substituted alkyl may include halogen, hydroxy, nitro, thiols, amino, azido, imino, amido, phosphoryl (including phosphonate and phosphinate), sulfonyl (including sulfate, sulfonamide, sulfamoyl and sulfonate), and silyl groups, as well as ethers, alkylthios, carbonyls (including ketones, aldehydes, carboxylates, and esters), -CF3, -CN and the like. Cycloalkyls can be substituted in the same manner.
- heteroalkyl refers to straight or branched chain, or cyclic carbon-containing radicals, or combinations thereof, containing at least one heteroatom. Suitable heteroatoms include, but are not limited to, O, N, Si, P, Se, B, and S, wherein the phosphorous and sulfur atoms are optionally oxidized, and the nitrogen heteroatom is optionally quaternized. Heteroalkyls can be substituted as defined above for alkyl groups.
- alkylthio refers to an alkyl group, as defined above, having a sulfur radical attached thereto.
- the “alkylthio” moiety is represented by one of -S-alkyl, -S-alkenyl, and -S-alkynyl.
- Representative alkylthio groups include methylthio, and ethylthio.
- alkylthio also encompasses cycloalkyl groups, alkene and cycloalkene groups, and alkyne groups.
- Arylthio refers to aryl or heteroaryl groups. Alkylthio groups can be substituted as defined above for alkyl groups.
- alkenyl and alkynyl refer to unsaturated aliphatic groups analogous in length and possible substitution to the alkyls described above, but that contain at least one double or triple bond respectively.
- alkoxyl refers to an alkyl group, as defined above, having an oxygen radical attached thereto.
- Representative alkoxyl groups include methoxy, ethoxy, propyloxy, and tert-butoxy.
- An “ether” is two hydrocarbons covalently linked by an oxygen. Accordingly, the substituent of an alkyl that renders that alkyl an ether is or resembles an alkoxyl, such as can be represented by one of -O-alkyl, -O-alkenyl, and -O-alkynyl.
- Aroxy can be represented by -O-aryl or O-heteroaryl, wherein aryl and heteroaryl are as defined below.
- the alkoxy and aroxy groups can be substituted as described above for alkyl.
- R9, Rio, and R’ 10 each independently represent a hydrogen, an alkyl, an alkenyl, -(CFbjm-Rs or R9 and Rio taken together with the N atom to which they are attached complete a heterocycle having from 4 to 8 atoms in the ring structure;
- Rs represents an aryl, a cycloalkyl, a cycloalkenyl, a heterocycle or a polycycle; and
- m is zero or an integer in the range of 1 to 8.
- R9 or Rio can be a carbonyl, e.g., R9, Rio and the nitrogen together do not form an imide.
- the term “amine” does not encompass amides, e.g., wherein one of R9 and Rio represents a carbonyl.
- R9 and Rio (and optionally R’ 10) each independently represent a hydrogen, an alkyl or cycloalkyl, an alkenyl or cycloalkenyl, or alkynyl.
- alkylamine as used herein means an amine group, as defined above, having a substituted (as described above for alkyl) or unsubstituted alkyl attached thereto, i.e., at least one of R9 and Rio is an alkyl group.
- amido is art-recognized as an amino-substituted carbonyl and includes a moiety that can be represented by the general formula: , wherein R9 and Rio are as defined above.
- Aryl refers to Cs-Cio-membered aromatic, heterocyclic, fused aromatic, fused heterocyclic, biaromatic, or bihetereocyclic ring systems.
- aryl includes 5-, 6-, 7-, 8-, 9-, and 10-membered single-ring aromatic groups that may include from zero to four heteroatoms, for example, benzene, pyrrole, furan, thiophene, imidazole, oxazole, thiazole, triazole, pyrazole, pyridine, pyrazine, pyridazine and pyrimidine, and the like.
- aryl groups having heteroatoms in the ring structure may also be referred to as “aryl heterocycles” or “heteroaromatics”.
- the aromatic ring can be substituted at one or more ring positions with one or more substituents including, but not limited to, halogen, azide, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, alkoxyl, amino (or quaternized amino), nitro, sulfhydryl, imino, amido, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, sulfonamide, ketone, aldehyde, ester, heterocyclyl, aromatic or heteroaromatic moieties, -CF3, - CN; and combinations thereof.
- aryl also includes polycyclic ring systems having two or more cyclic rings in which two or more carbons are common to two adjoining rings (i.e., “fused rings”) wherein at least one of the rings is aromatic, e.g., the other cyclic ring or rings can be cycloalkyls, cycloalkenyls, cycloalkynyls, aryls and/or heterocycles.
- heterocyclic rings include, but are not limited to, benzimidazolyl, benzofuranyl, benzothiofuranyl, benzothiophenyl, benzoxazolyl, benzoxazolinyl, benzthiazolyl, benztriazolyl, benztetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolinyl, carbazolyl, 4aH carbazolyl, carbolinyl, chromanyl, chromenyl, cinnolinyl, decahydroquinolinyl, 277,677-1,5,2-dithiazinyl, dihydrofuro[2,3 b]tetrahydrofuran, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, 1/7-indazolyl, indolenyl, indolinyl, indolizinyl
- aralkyl refers to an alkyl group substituted with an aryl group (e.g., an aromatic or heteroaromatic group).
- carrier refers to an aromatic or non-aromatic ring in which each atom of the ring is carbon.
- Heterocycle refers to a cyclic radical attached via a ring carbon or nitrogen of a monocyclic or bicyclic ring containing 3-10 ring atoms, and preferably from 5-6 ring atoms, consisting of carbon and one to four heteroatoms each selected from the group consisting of non-peroxide oxygen, sulfur, and N(Y) wherein Y is absent or is H, O, (Ci-Cio) alkyl, phenyl or benzyl, and optionally containing 1-3 double bonds and optionally substituted with one or more substituents.
- heterocyclic ring examples include, but are not limited to, benzimidazolyl, benzofuranyl, benzothiofuranyl, benzothiophenyl, benzoxazolyl, benzoxazolinyl, benzthiazolyl, benztriazolyl, benztetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolinyl, carbazolyl, 4aH-carbazolyl, carbolinyl, chromanyl, chromenyl, cinnolinyl, decahydroquinolinyl, 2/7,6/7- 1 ,5,2-dithiazinyl, dihydrofuro[2,3-/?]tetrahydrofuran, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, l/7-indazolyl, indolenyl, indolinyl
- Heterocyclic groups can optionally be substituted with one or more substituents at one or more positions as defined above for alkyl and aryl, for example, halogen, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, amino, nitro, sulfhydryl, imino, amido, phosphate, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, ketone, aldehyde, ester, a heterocyclyl, an aromatic or heteroaromatic moiety, -CF3, and -CN.
- substituents at one or more positions as defined above for alkyl and aryl, for example, halogen, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, amino, nitro, sulfhydryl, imin
- carbonyl is art-recognized and includes such moieties as can be o o represented by the general formula: , wherein X is a bond or represents an oxygen or a sulfur, and Rn represents a hydrogen, an alkyl, a cycloalkyl, an alkenyl, an cycloalkenyl, or an alkynyl, R’n represents a hydrogen, an alkyl, a cycloalkyl, an alkenyl, an cycloalkenyl, or an alkynyl. Where X is an oxygen and Rn or R’n is not hydrogen, the formula represents an “ester”.
- X is an oxygen and Rn is as defined above, the moiety is referred to herein as a carboxyl group, and particularly when Rn is a hydrogen, the formula represents a “carboxylic acid”. Where X is an oxygen and R’n is hydrogen, the formula represents a "formate”. In general, where the oxygen atom of the above formula is replaced by sulfur, the formula represents a “thiocarbonyl” group.
- monoester refers to an analog of a dicarboxylic acid wherein one of the carboxylic acids is functionalized as an ester and the other carboxylic acid is a free carboxylic acid or salt of a carboxylic acid.
- monoesters include, but are not limited to, to monoesters of succinic acid, glutaric acid, adipic acid, suberic acid, sebacic acid, azelaic acid, oxalic and maleic acid.
- heteroatom as used herein means an atom of any element other than carbon or hydrogen. Examples of heteroatoms are boron, nitrogen, oxygen, phosphorus, sulfur and selenium. Other heteroatoms include silicon and arsenic.
- nitro means -NO2; the term “halogen” designates -F, -Cl, -Br or -I; the term “sulfhydryl” means -SH; the term “hydroxyl” means -OH; and the term “sulfonyl” means -SO2-.
- substituted refers to all permissible substituents of the compounds described herein.
- the permissible substituents include acyclic and cyclic, branched and unbranched, carbocyclic and heterocyclic, aromatic and nonaromatic substituents of organic compounds.
- Illustrative substituents include, but are not limited to, halogens, hydroxyl groups, or any other organic groupings containing any number of carbon atoms, preferably 1-14 carbon atoms, and optionally include one or more heteroatoms such as oxygen, sulfur, or nitrogen grouping in linear, branched, or cyclic structural formats.
- substituents include alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, halo, hydroxyl, alkoxy, substituted alkoxy, phenoxy, substituted phenoxy, aroxy, substituted aroxy, alkylthio, substituted alkylthio, phenylthio, substituted phenylthio, arylthio, substituted arylthio, cyano, isocyano, substituted isocyano, carbonyl, substituted carbonyl, carboxyl, substituted carboxyl, amino, substituted amino, amido, substituted amido, sulfonyl, substituted sulfonyl, sulfonic acid, phosphoryl, substituted phosphoryl, phosphonyl, substituted phosphonyl, polyaryl
- Heteroatoms such as nitrogen may have hydrogen substituents and/or any permissible substituents of organic compounds described herein which satisfy the valences of the heteroatoms. It is understood that “substitution” or “substituted” includes the implicit proviso that such substitution is in accordance with permitted valence of the substituted atom and the substituent, and that the substitution results in a stable compound, i.e., a compound that does not spontaneously undergo transformation such as by rearrangement, cyclization, or elimination.
- the permissible substituents include acyclic and cyclic, branched and unbranched, carbocyclic and heterocyclic, aromatic and nonaromatic substituents of organic compounds.
- Illustrative substituents include, for example, those described herein.
- the permissible substituents can be one or more and the same or different for appropriate organic compounds.
- the heteroatoms such as nitrogen may have hydrogen substituents and/or any permissible substituents of organic compounds described herein which satisfy the valencies of the heteroatoms.
- the substituent is selected from alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cyano, cycloalkyl, ester, ether, formyl, halogen, haloalkyl, heteroaryl, heterocyclyl, hydroxyl, ketone, nitro, phosphate, sulfide, sulfinyl, sulfonyl, sulfonic acid, sulfonamide, and thioketone, each of which optionally is substituted with one or more suitable substituents.
- the substituent is selected from alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cycloalkyl, ester, ether, formyl, haloalkyl, heteroaryl, heterocyclyl, ketone, phosphate, sulfide, sulfinyl, sulfonyl, sulfonic acid, sulfonamide, and thioketone, wherein each of the alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cycloalkyl, ester, ether, formyl, haloalkyl, heteroaryl, heterocyclyl, ketone, phosphate, sulfide, sulfinyl, sulfony
- substituents include, but are not limited to, halogen, azide, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, alkoxyl, amino, nitro, sulfhydryl, imino, amido, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, sulfonamide, ketone, aldehyde, thioketone, ester, heterocyclyl, -CN, aryl, aryloxy, perhaloalkoxy, aralkoxy, heteroaryl, heteroaryloxy, heteroarylalkyl, heteroaralkoxy, azido, alkylthio, oxo, acylalkyl, carboxy esters, carboxamido, acyloxy, aminoalkyl, alkylaminoaryl, alkylaryl
- polypeptide generally refer to a polymer of amino acid residues. As used herein, the term also applies to amino acid polymers in which one or more amino acids are chemical analogs or modified derivatives of corresponding naturally occurring amino acids.
- protein refers to a polymer of amino acids linked to each other by peptide bonds to form a polypeptide for which the chain length is sufficient to produce tertiary and/or quaternary structure.
- protein excludes small peptides by definition, the small peptides lacking the requisite higher-order structure necessary to be considered a protein.
- the present disclosure relates to a phosphoinositide 3 -kinase (PI3K) inhibitor, such as Compound 1, or a pharmaceutically acceptable salt thereof, solvate thereof, or salt solvate thereof.
- PI3K phosphoinositide 3 -kinase
- the present invention also includes Compound 1 or a pharmaceutically acceptable salt thereof as the compound in any method of use or treatment disclosed herein.
- the present invention also includes Compound 1 or a pharmaceutically acceptable salt thereof as the compound in any combination therapy or method of use or treatment with, before or after an additional therapeutically active agent.
- the ARCS of the present disclosure contains one or more CLM(s).
- the CLM can be any covalent binding modality that is capable of forming a covalent bond with a biological target.
- the CLM may comprise one or more chemical moieties, one or more of which are capable of forming a covalent bond with a biological target.
- the CLM may comprise an internal linker or spacer. The internal linker or spacer may combine two parts of the CLM or can be joined to the CLM.
- the CLM is a small molecule.
- the CLM has a molecular weight of less than about 1000 Dalton (e.g., less than about 900, 800, 750, 700, 650, 600, 550, 500, 450, 400, 350, 300, 250, 200, 150, 100, etc.).
- the CLM of the ARCS comprises a predetermined molar weight percentage from about 1% to about 10%, or about 10% to about 20%, or about 20% to about 30%, or about 30% to about 40%, or about 40% to about 50%, or about 50% to about 60%, or about 60% to about 70%, or about 70% to about 80%, or about 80% to about 90%, or about 90% to about 99% such that the sum of the molar weight percentages of the components of the ARCS is 100%.
- the amount of CLM(s) of the ARCS may also be expressed in terms of proportion to the FCB(s).
- the present teachings provide a ratio of FCB to CLM of about 10:1, 9: 1, 8: 1, 7:1, 6: 1, 5:1, 4: 1, 3:1, 2: 1, 1: 1, 1:2, 1:3, 1 :4; 1 :5, 1:6, 1:7, 1:8, 1:9, or 1: 10.
- the CLM comprises at least one substituted or unsubstituted alkyne. In some embodiments, the CLM comprises at least one substituted or unsubstituted acrylamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted vinyl sulfonamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted vinyl sulfone. In some embodiments, the CLM comprises at least one substituted or 1 unsubstituted fumaramide. In some embodiments, the CLM comprises at least one substituted or unsubstituted acrylate. In some embodiments, the CLM comprises at least one substituted or unsubstituted isothiocyanate.
- the CLM comprises at least one substituted or unsubstituted sulfonyl fluoride. In some embodiments, the CLM comprises at least one substituted or unsubstituted fluorosulfate. In some embodiments, the CLM comprises at least one substituted or unsubstituted formyl phenyl boronic acid. In some embodiments, the CLM comprises at least one substituted or unsubstituted boronic acid. In some embodiments, the CLM comprises at least one activated ester. In some embodiments, the CLM comprises at least one substituted or unsubstituted thioester. In some embodiments, the CLM comprises at least one sulfonyl group.
- the CLM comprises at least one nitro group. In some embodiments, the CLM comprises at least one substituted or unsubstituted epoxide. In some embodiments, the CLM comprises at least one substituted or unsubstituted formyl phenyl boronic acid. In some embodiments, the CLM comprises at least one substituted or unsubstituted aryl halide. In some embodiments, the CLM comprises at least one substituted or unsubstituted aldehyde. In some embodiments, the CLM comprises at least one substituted or unsubstituted triazine. In some embodiments, the CLM comprises at least one substituted or unsubstituted cyanoacrylamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted chloroacetamide.
- Exemplary CLMs include, but not limited to
- A, B, C and D at each occurrence is independently selected from the group consisting of H, halogen, CF 3 , -OH, -NH2, -SH, -SCH 3 , -CN, -NO2, -CH 2 (NH 2 ), -C(O)OH, -S(O) 2 NH 2 , -C(O)NH 2 , - C(O)CH 3 , NHC(0)-CI-6 alkyl, N(CI- 3 alkyl)C(O)-Ci-6 alkyl, OC(O)NH 2 , OC(O)NH(CH 3 ), OC(O)N(CH 3 )2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted C1-6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C 3 -6 cycloalkyl, optionally substituted 5
- Al, A2, A3, A4, A5, and A6 at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally
- the CLM is selected from the group consisting of
- the ARCS of the present disclosure contains one or more optional linkers connecting the FCB(s) and CLM(s).
- the linker, L can be attached to anywhere on FCB and CLM, as long as the efficacy of FCB and the binding of CLM are not significantly affected.
- CLM comprises an optional internal linker.
- the linker (including the internal linker of CLM) is a small molecule.
- the linker (including the internal linker of CLM) is selected, but not limited to substituted and unsubstituted C1-C30 alkyl, substituted and unsubstituted C2-C30 alkenyl, substituted and unsubstituted C2-C30 alkynyl, substituted and unsubstituted C3-C30 cycloalkyl, substituted and unsubstituted C1-C30 heterocycloalkyl, substituted and unsubstituted C3-C30 cycloalkenyl, substituted and unsubstituted C1-C30 heterocycloalkenyl, substituted and unsubstituted aryl, and substituted and unsubstituted heteroaryl.
- the linker (including the internal linker of CLM) can be a Cl- C10 straight chain alkyl, Cl -CIO straight chain O-alkyl, Cl -CIO straight chain substituted alkyl, Cl -CIO straight chain substituted O-alkyl, C4-C13 branched chain alkyl, C4-C13 branched chain O-alkyl, C2-C12 straight chain alkenyl, C2-C12 straight chain O-alkenyl, C3-C12 straight chain substituted alkenyl, C3-C12 straight chain substituted O-alkenyl, polyethylene glycol, polylactic acid, polyglycolic acid, poly(lactide-co-glycolide), polycarprolactone, polycyanoacrylate, ketone, aryl, heterocyclic, succinic ester, amino acid, aromatic group, ether, crown ether, urea, thiourea, amide, purine, pyrimidine, bipyridine
- the linker can be a C3 straight chain alkyl or a ketone.
- the alkyl chain of the linker can be substituted with one or more substituents or heteroatoms.
- the linker may be selected from dicarboxylate derivatives of succinic acid, glutaric acid or diglycolic acid.
- the linker may be selected from dicarboxylate derivatives of succinic acid, glutaric acid or diglycolic acid.
- the linker may be non-cleavable. In some embodiments, the linker may be cleavable. In some embodiments, the linker may be cleaved by an enzyme.
- Non-limiting examples of linkers include
- DI , D2, D3, D4, D5 and D6 at each occurrence are independently selected from the group consisting of N, C, O, or S, provided that if DI -6 is a N, the corresponding position is trivalent; if Dl-6 is a O or S, the corresponding position is divalent; wherein Bl, B2, B3, B4, B5, and B6 at each occurrence is absent or independently selected from the group consisting of H, halogen, CF3, -OH, -CH3, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, -C(0)NH2, - C(0)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimid
- the linker is selected from the group consisting of
- the linker selected from the group consisting is connected to the CLM selected
- the ARCS of the present disclosure represents a class of drugs that have many advantages, such as an increased potency and extended duration of action, when compared to the reversible inhibitors.
- the present disclosure provides therapeutic conjugates that form a covalent bond with a kinase or pseudokinase.
- the kinase is PI3 -kinase (PI3K).
- the therapeutic conjugate may have a structure of (FCB)a-(L)b-(CLM)c, wherein a and c are, independently, integers between 1 and 5, b is an integer between 0 and 5, and wherein the FCB moiety comprises a PI3K inhibitor, or a fragment, analog or derivative thereof.
- FCB comprises
- the FCB is a compound having the structure
- the FCB is a compound having the structure, wherein R2 is selected from the group consisting some embodiments, the linker is selected from the group consisting of and wherein either end can be connected to the CLM.
- the CLM is
- the ARCS is selected from the group consisting of broad generic structures Compound 1-1 to Compound 1-5, or a pharmaceutically acceptable salt thereof, wherein R1 at each occurrence is independently selected from the group consisting of , wherein R1 can be attached to X, L or the functional fragment of the drug in either of the two ends.
- R1 can be attached to L either from the end adjacent to Re and Rg and to the functional fragment of the drug from the end adjacent to Rf and Rh; or R1 can be attached to L either from the end adjacent to Rf and Rh and to the functional fragment of the drug from the end adjacent to Re and Rg in Compound 1-1.
- R1 at each occurrence is independently selected from the group consisting of unsubstituted or substituted -(alk)a-S-(alk)b-, -(alk)a-O-(alk)b-, -(alk)a-NRA- (alk)b-, -(alk)a-C(O)-(alk)b-, -(alk)a-C(S)-(alk)b-, -(alk)a-S(O)-(alk)b-, -(alk)a-S(O)2-(alk)b-, - (alk)a-OC(O)-(alk)b-, -(alk)a-C(O)O-(alk)b-, -(alk)a-OC(S)-(alk)b-, -(alk)a-C(S)O-(alk)b-, - (alk)a-C(S)O-(al
- RA and RB are independently selected from the group consisting of hydrogen, Cl-3 alkyl, C3-6 cycloalkyl, 5-10 membered heterocycle, aryl, and 5-10 membered heteroaryl, wherein the alkyl, cycloalkyl, heterocycle, aryl, and heteroaryl are each independently optionally substituted with 1-3 substituents selected from the group consisting of halogen, Cl-3 alkyl, OH, NH2, NH-C1-3 alkyl, N(Cl-3 alky 1)2, CF3, Cl -6 alkyl, -CH2(NH2), - CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl;
- R3 at each occurrence is independently selected from the group consisting of: Ra, Rb, Rc, Rd, Re, Rf, Rg, and Rh at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, - CH2(NH2), -C(O)OH, -S(O)2NH2, -C(0)NH2, -C(O)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2- 6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl
- R3 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl,
- R4 at each occurrence is independently selected from the group consisting of:
- R4 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl,
- R5 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, - C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted
- R6 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, - C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted
- L at each occurrence is independently selected from the group consisting of:
- DI, D2, D3, D4, D5, and D6 are at each occurrence are independently selected from the group consisting of N, C, O, or S, provided that if DI -6 is a N, the corresponding position is trivalent; if Dl-6 is a O or S, the corresponding position is divalent.
- the linker can be attached to the CLM or the functional fragment of the drug on either of the two ends.
- L can be attached to CLM either from the end adjacent to nitrogen or from the other end.
- Bl , B2, B3, and B4 are at each occurrence absent or independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally
- L at each occurrence is independently selected from the group consisting of unsubstituted or substituted -(alk)a-S-(alk)b-, -(alk)a-O-(alk)b-, -(alk)a-NRC-(alk)b- , -(alk)a-C(O)-(alk)b-, -(alk)a-C(S)-(alk)b-, -(alk)a-S(O)-(alk)b-, -(alk)a-S(O)2-(alk)b-, -(alk)a- OC(O)-(alk)b-, -(alk)a-C(O)O-(alk)b-, -(alk)a-OC(S)-(alk)b-, -(alk)a-C(S)O-(alk)b-, -(alk)a-C(S)O-(
- RC and RD are independently selected from the group consisting of hydrogen, Cl-3 alkyl, C3-6 cycloalkyl, 5-10 membered heterocycle, aryl, and 5-10 membered heteroaryl, wherein the alkyl, cycloalkyl, heterocycle, aryl, and heteroaryl are each independently optionally substituted with 1-3 substituents selected from the group consisting of halogen, Cl-3 alkyl, OH, NH2, NH-C1-3 alkyl, N(Cl-3 alkyl)2, CF3, Cl -6 alkyl, -CH2(NH2), -CN, -NO2, - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl.
- X at each occurrence is independently selected from the group consisting of:
- A, B, C, and D at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, - S(O)2NH2, -C(0)NH2, -C(O)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5- 10
- Al, A2, A3, A4, A5, and A6 at each occurrence may be independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optional
- the ARCS are selected from the group consisting of narrow
- the ARCS may have a structure or a pharmaceutically acceptable salt thereof, wherein L is a linker selected from the group consisting of wherein either end can be connected to the CLM; R1 is
- the ARCS may have a structure of Formula 1-51 or a pharmaceutically acceptable salt thereof, wherein L, the linker is R2 is selected
- the present invention provides a combination therapy comprising a compound of formula having the formula:
- FCB fluorescence Activated fatty acid
- CFM cyclopentamate-1-(L)b-(CLM)c
- a pharmaceutically acceptable salt thereof and/or their subgenera, or Compound 1, or salts, solvates, esters and/or prodrugs thereof disclosed herein can be used in a combination with at least one additional therapeutically active agents or therapy (combination therapy).
- the additional therapeutically active agent is a RAS inhibitor.
- the additional therapeutically active agent is a KRAS inhibitor.
- the additional therapeutically active agent is a class of compound or agent as described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. etal. The path to the clinic: a comprehensive review on direct KRASG12C inhibitors. J Exp Clin Cancer Res 41, 27 (2022), which is incorporated by reference herein in its entirety.
- the additional therapeutically active agent is an inhibitor of a KRAS mutant.
- the KRAS mutants is G12C.
- the additional therapeutically active agent covalently binds to KRAS-G12C.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
- the KRAS inhibitor is adagrasib.
- the adagrasib may be administered or provided in a pharmaceutical composition in a dosage amount ranging from about 200 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
- the dose is administered once, twice, or three times a day.
- the specific dose range is administered to a subject twice a day.
- the present invention provides a pharmaceutical composition and/or combination comprising a therapeutically effective amount of a compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof, as disclosed herein, as the active ingredient, combined with a pharmaceutically acceptable excipient or carrier.
- the excipients are added to the formulation for a variety of purposes.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a single pharmaceutical composition and/or combination.
- the single pharmaceutical composition and/or combination is Compound 1 and a KRAS inhibitor.
- the KRAS inhibitor is adagrasib.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent are formulated into a separate pharmaceutical composition and/or combination comprising a pharmaceutically acceptable excipient or a carrier.
- Compound 1 or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a single pharmaceutical composition and/or combination composition.
- Compounds of the present disclosure e.g., Compound of formula (A) or Compound 1
- a pharmaceutically acceptable salt or solvate thereof are generally administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose.
- the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose.
- the additional therapeutically active agent is a RAS inhibitor. In another embodiment, the additional therapeutically active agent is a KRAS inhibitor. In a specific embodiment, the additional therapeutically active agent is a class of compound or agent as described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. et al. The path to the clinic: a comprehensive review on direct KRASG12C inhibitors. J Exp Clin Cancer Res 41, 27 (2022), which is incorporated by reference herein in its entirety. In a specific embodiment, the additional therapeutically active agent is an inhibitor for a KRAS mutant. In a specific embodiment, the KRAS mutants is G12C.
- the additional therapeutically active agent covalently binds to KRAS-G12C.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
- the KRAS inhibitor is adagrasib.
- the adagrasib may be provided in a pharmaceutical composition in a dosage amount ranging from about 100 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
- Compound 1 or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a separate pharmaceutical composition and/or combination composition.
- the separate pharmaceutical compositions may be included in the form of a kit.
- the additional therapeutically active agent is a RAS inhibitor.
- the additional therapeutically active agent is a KRAS inhibitor.
- the additional therapeutically active agent is a class of compound or agent as described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. et al.
- the additional therapeutically active agent is an inhibitor for a KRAS mutant.
- the KRAS mutant is G12C.
- the additional therapeutically active agent covalently binds to KRAS-G12C.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib. In another embodiment, the KRAS inhibitor is adagrasib. In a specific embodiment, the adagrasib may be provided in a pharmaceutical composition in a dosage amount ranging from about 100 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg. In a specific embodiment, the kit or separate compositions may include Compound 1 and adagrasib.
- composition/formulation may be added to the composition/formulation.
- diluents may be added to the formulations of the present invention. Diluents increase the bulk of a solid pharmaceutical composition and/or combination and may make a pharmaceutical dosage form containing the composition and/or combination easier for the patient and care giver to handle.
- Diluents for solid compositions and/or combinations include, for example, microcrystalline cellulose (e.g., AVICEL), microfine cellulose, lactose, starch, pregelatinized 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(r)), potassium chloride, powdered cellulose, sodium chloride, sorbitol, and talc.
- microcrystalline cellulose e.g., AVICEL
- microfine cellulose e.g., lactose, starch, pregelatinized starch
- calcium carbonate calcium sulfate
- sugar dextrates
- dextrin dextrin
- dextrose dibasic calcium phosphate dihydrate
- Solid pharmaceutical compositions and/or combinations that are compacted into a dosage form, such as a tablet may include excipients whose functions include helping to bind the active ingredient and other excipients together after compression.
- Binders for solid pharmaceutical compositions and/or combinations include acacia, alginic acid, carbomer (e.g., carbopol), carboxymethylcellulose sodium, dextrin, ethyl cellulose, gelatin, guar gum, gum tragacanth, hydrogenated vegetable oil, hydroxyethyl cellulose, hydroxypropyl cellulose (e.g., KLUCEL), hydroxypropyl methyl cellulose (e.g., METHOCEL), liquid glucose, magnesium aluminum silicate, maltodextrin, methylcellulose, polymethacrylates, povidone (e.g., KOLLIDON, PLASDONE), pregelatinized starch, sodium alginate, and starch.
- carbomer e.g., carbopol
- the dissolution rate of a compacted solid pharmaceutical composition and/or combination in the patient’s stomach may be increased by the addition of a disintegrant to the composition and/or combination.
- Disintegrants include alginic acid, carboxymethylcellulose calcium, carboxymethylcellulose sodium (e.g., AC-DI-SOL and PRIMELLOSE), colloidal silicon dioxide, croscarmellose sodium, crospovidone (e.g., KOLLIDON and POLYPLASDONE), guar gum, magnesium aluminum silicate, methyl cellulose, microcrystalline cellulose, polacrilin potassium, powdered cellulose, pregelatinized starch, sodium alginate, sodium starch glycolate (e.g., EXPLOTAB), potato starch, and starch.
- a disintegrant include alginic acid, carboxymethylcellulose calcium, carboxymethylcellulose sodium (e.g., AC-DI-SOL and PRIMELLOSE), colloidal silicon dioxide, croscarmellose sodium, crospovid
- Glidants can be added to improve the flowability of a non-compacted solid composition and/or combination and to improve the accuracy of dosing.
- Excipients that may function as glidants include colloidal silicon dioxide, magnesium trisilicate, powdered cellulose, starch, talc, and tribasic calcium phosphate.
- a dosage form such as a tablet is made by the compaction of a powdered composition and/or combination
- the composition and/or combination is subjected to pressure from a punch and dye.
- Some excipients and active ingredients have a tendency to adhere to the surfaces of the punch and dye, which can cause the product to have pitting and other surface irregularities.
- a lubricant can be added to the composition and/or combination to reduce adhesion and ease the release of the product from the dye.
- Lubricants include magnesium stearate, calcium stearate, glyceryl monostearate, glyceryl palmitostearate, hydrogenated castor oil, hydrogenated vegetable oil, mineral oil, polyethylene glycol, sodium benzoate, sodium lauryl sulfate, sodium stearyl fumarate, stearic acid, talc, and zinc stearate.
- Flavoring agents and flavor enhancers make the dosage form more palatable to the patient.
- Common flavoring agents and flavor enhancers for pharmaceutical products that may be included in the composition and/or combination of the present invention include maltol, vanillin, ethyl vanillin, menthol, citric acid, fumaric acid, ethyl maltol, and tartaric acid.
- Solid and liquid compositions and/or combinations may also be dyed using any pharmaceutically acceptable colorant to improve their appearance and/or facilitate patient identification of the product and unit dosage level.
- liquid pharmaceutical compositions and/or combinations may be prepared using the excipients where the components are dissolved or suspended in a liquid carrier such as water, vegetable oil, alcohol, polyethylene glycol, propylene glycol, or glycerin.
- a liquid carrier such as water, vegetable oil, alcohol, polyethylene glycol, propylene glycol, or glycerin.
- Liquid pharmaceutical compositions and/or combinations may contain emulsifying agents to disperse uniformly throughout the composition and/or combination an active ingredient or other excipient that is not soluble in the liquid carrier.
- Emulsifying agents that may be useful in liquid compositions and/or combinations of the present invention include, for example, gelatin, egg yolk, casein, cholesterol, acacia, tragacanth, chondrus, pectin, methyl cellulose, carbomer, cetostearyl alcohol, and cetyl alcohol.
- Liquid pharmaceutical compositions and/or combinations may also contain a viscosity enhancing agent to improve the mouth-feel of the product and/or coat the lining of the gastrointestinal tract.
- a viscosity enhancing agent include acacia, alginic acid bentonite, carbomer, carboxymethylcellulose calcium or sodium, cetostearyl alcohol, methyl cellulose, ethylcellulose, gelatin guar gum, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, maltodextrin, polyvinyl alcohol, povidone, propylene carbonate, propylene glycol alginate, sodium alginate, sodium starch glycolate, starch tragacanth, and xanthan gum.
- Sweetening agents such as aspartame, lactose, sorbitol, saccharin, sodium saccharin, sucrose, aspartame, fructose, mannitol, and invert sugar may be added to improve the taste.
- Preservatives and chelating agents such as alcohol, sodium benzoate, butylated hydroxyl toluene, butylated hydroxyanisole, and ethylenediamine tetraacetic acid may be added at levels safe for ingestion to improve storage stability.
- a liquid composition and/or combination may also contain a buffer such as guconic acid, lactic acid, citric acid or acetic acid, sodium guconate, sodium lactate, sodium citrate, or sodium acetate. Selection of excipients and the amounts used may be readily determined by the formulation scientist based upon experience and consideration of standard procedures and reference works in the field.
- the solid compositions and/or combination of the present invention include powders, granulates, aggregates and compacted compositions and/or combinations.
- the dosages include dosages suitable for oral, buccal, rectal, parenteral (including subcutaneous, intramuscular, and intravenous), inhalant and ophthalmic administration. Although the most suitable administration in any given case will depend on the nature and severity of the condition being treated, the most preferred route of the present invention is oral.
- the dosages may be conveniently presented in unit dosage form and prepared by any of the methods well-known in the pharmaceutical arts.
- Dosage forms include solid dosage forms like tablets, powders, capsules, suppositories, sachets, troches and lozenges, as well as liquid syrups, suspensions, aerosols and elixirs.
- the dosage form of the present invention may be a capsule containing the composition and/or combination, preferably a powdered or granulated solid composition and/or combination of the invention, within either a hard or soft shell.
- the shell may be made from gelatin and optionally contain a plasticizer such as glycerin and sorbitol, and an opacifying agent or colorant.
- a composition and/or combination for tableting or capsule filling may be prepared by wet granulation.
- wet granulation some or all of the active ingredients and excipients in powder form are blended and then further mixed in the presence of a liquid, typically water that causes the powders to clump into granules.
- the granulate is screened and/or milled, dried and then screened and/or milled to the desired particle size.
- the granulate may be tableted, or other excipients may be added prior to tableting, such as a glidant and/or a lubricant.
- a tableting composition and/or combination may be prepared conventionally by dry blending.
- the blended composition and/or combination of the actives and excipients may be compacted into a slug or a sheet and then comminuted into compacted granules. The compacted granules may subsequently be compressed into a tablet.
- a blended composition and/or combination may be compressed directly into a compacted dosage form using direct compression techniques.
- Direct compression produces a more uniform tablet without granules.
- Excipients that are particularly well suited for direct compression tableting include microcrystalline cellulose, spray dried lactose, dicalcium phosphate dihydrate and colloidal silica. The proper use of these and other excipients in direct compression tableting is known to those in the art with experience and skill in particular formulation challenges of direct compression tableting.
- a capsule filling of the present invention may comprise any of the aforementioned blends and granulates that were described with reference to tableting; however, they are not subjected to a final tableting step.
- compositions and/or combinations and dosage forms may be formulated into compositions and/or combinations and dosage forms according to methods known in the art.
- the compounds and the pharmaceutical compositions of the present disclosure find use in any number of methods.
- the combinations and the pharmaceutical compositions are useful in methods for modulating a phosphoinositide 3 -kinase (PI3K).
- PI3K phosphoinositide 3 -kinase
- the modulating PI3K is binding to PI3K. In other embodiments, the modulating PI3K is inhibiting PI3K, including irreversibly inhibiting the activity of PI3K. In embodiments, the inhibiting PI3K is inhibiting PI3Ka, including irreversibly inhibiting the activity of PI3Ka, for example by forming a covalent bond with a cysteine residue on PI3Ka.
- modulating phosphoinositide 3 -kinase (PI3K) activity is for treatment of diseases or conditions wherein irreversible inhibition of PI3K provides therapeutic benefit to a subject having the disease or condition.
- modulating phosphoinositide 3 -kinase (PI3K) activity is for treatment of cancer with a mutation in the PIK3CA gene.
- a method of reducing, inhibiting, or ameliorating cell proliferation in a patient in need thereof is provided.
- the reducing, inhibiting, or ameliorating in the method disclosed herein is in vivo.
- the reducing, inhibiting, or ameliorating is in vitro.
- the cells in the method disclosed herein are a cancer cells.
- a method for reducing or preventing tumor growth comprising contacting tumor cells with a compound or pharmaceutical composition as disclosed herein.
- reducing or preventing tumor growth includes reduction in tumor volume.
- reducing or preventing tumor growth includes complete elimination of tumors.
- reducing or preventing tumor growth includes stopping or halting the existing tumor to grow.
- reducing or preventing tumor growth includes reduction in the rate of tumor growth.
- the methods may include treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, wherein the kinase is wildtype or mutant PI3-kinase (PI3K).
- the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
- the cancer is breast cancer.
- the kinase is a mutated PI3Ka or mutated PI3K0.
- the kinase is mutated PI3Ka.
- the cancer is characterized by hyperactivation of mutant and wild type PI3Ka.
- the cancer is a PI3Ka-mutant cancer comprising a mutation in one or more residue selected from the group consisting of E542, E453, and E545.
- the mutation is a mutation in the residue E542.
- the mutation is a mutation in the residue E453.
- the mutation is a mutation in the residue E545.
- the mutation may be one or more selected from the group consisting of E542K, E453K, E545A or E545K.
- the mutation may be E542K.
- the mutation may be E453K.
- the mutation may be E545A. In embodiments, the mutation may be E545K. In embodiments, the mutation may be E453K,E545A. In embodiments, the PI3Ka-mutant cancer may be selected from the group consisting of colon cancer, gastric cancer, lung cancer and bladder cancer. In embodiments, the mutation is a heterozygous PI3Ka mutation. In embodiments, the mutation is a mutation in residue Hl 047 such as H1047R.
- the subject has a mutation of AKT phosphatase, and/or PTEN. In another embodiment, wherein the subject has the oncogene PIK3Ca.
- the subject has a mutation in PIK3CA and/or PTEN. In embodiments, the subject has a mutation in PIK3CA and PTEN.
- the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor.
- the earlier administered PI3K inhibitor is a non-covalent PI3K inhibitor (e.g., a reversible inhibitor such as an ATP competitive or allosteric inhibitor).
- the earlier administered PI3K inhibitor is alpelisib.
- the earlier administered PI3K inhibitor is GDC-0077.
- the subject has cancer characterized by a PIK3CA mutation and/or PTEN mutation.
- the cancer is characterized by PTEN low status or PTEN loss.
- the subjects may have cancer or a cancer cell that no longer expresses PTEN.
- PTEN status may be measured by any suitable means as is known in the art.
- Western blot analysis can be used.
- the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT.
- the phosphorylated AKT is pAKT(S473).
- the inhibition of phosphorylated AKT or specifically pAKT(S473) is greater than about 50% inhibition of pAKT, or greater than about 60% inhibition of pAKT, or greater than about 70% inhibition of pAKT, or greater than about 80% inhibition of pAKT, or greater than about 90% inhibition of pAKT, or greater than about 95% inhibition of pAKT.
- % Inhibition of pAKT may be measured by any suitable means known in the art. In embodiments, inhibition of pAKT is measured as described herein in Example 8.
- the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least about 24 hrs, at least about 48 hrs, at least about 3 days, at least about 4 days, at least about 5 days, at least about 6 days, at least about 7 days, or at least 2 about weeks.
- the subject is human.
- the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
- the subject does not suffer from or show any serious or related adverse events.
- the adverse event that is not increased or induced is hyperglycemia.
- hyperglycemia is not increased or induced in the subject.
- the dose of compound 1 is sufficient for treatment of cancer, but does not increase or induce a serious or related adverse event.
- the adverse event that is not increased or induced is hyperglycemia.
- the compounds of the present disclosure e.g., Compound of formula (A) or Compound 1) or a pharmaceutically acceptable salt or solvate thereof are administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose, and does not increase or induce a serious or related adverse event.
- the adverse event that is not increased or induced is hyperglycemia.
- the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose.
- the present invention also provides treatment of disorders related to proliferation of cells.
- the method comprises contacting cancer and/or tumor cells with the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof.
- the present invention also provides treatment of disorders related to proliferation of cells.
- the method comprises contacting cancer and/or tumor cells with the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, as disclosed herein.
- the present invention also comprises the administration of the pharmaceutical combinations described herein to a subject.
- the methods may include treating or inhibiting cancer in a subject.
- the methods may include treating or ameliorating a cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, and optionally administering at least one additional therapeutically active agent before, during, or after the subject has been administered a compound that forms a covalent bond with a kinase or pseudokinase.
- the kinase is PI3-kinase (PI3K).
- the cell proliferation disorder is cancer.
- the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
- the cancer is selected from the group consisting of wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
- the subject is human.
- the present disclosure provides a method of treating cancer in a patient that has been diagnosed with a PI3Ka mutation and/or a PTEN mutation in cancer tissue or cells from the patient, the method comprising administering an effective amount of a compound of the present disclosure (e.g., a compound of Formula A or Compound 1) or a pharmaceutically acceptable salt thereof, or a solvate thereof to the patient.
- a compound of the present disclosure e.g., a compound of Formula A or Compound 1
- a pharmaceutically acceptable salt thereof e.g., a compound of Formula A or Compound 1
- the present disclosure provides a method of treating cancer in a patient, the method comprising: a. obtaining a cancer tissue or cell sample from the patient; b. detecting the presence of a PI3Ka mutation and/or a PTEN mutation in the cancer tissue or cell sample; c. diagnosing the patient with a PI3Ka mutation and/or a PTEN mutation in the cancer tissue or cell sample; and d. administering a therapeutically effective amount of a compound of the present disclosure (e.g., a compound of Formula A or Compound 1) or a pharmaceutically acceptable salt thereof, or a solvate thereof to the patient.
- a compound of the present disclosure e.g., a compound of Formula A or Compound 1
- a pharmaceutically acceptable salt thereof e.g., a compound of Formula A or Compound 1
- the cancer tissue or cell sample comprises a PTEN mutation.
- the cancer tissue or cell sample comprises a PI3Ka mutation and a PTEN mutation.
- the cancer tissue or cell sample is obtained from the patient after the patient has been treated with a PI3K inhibitor (e.g., a non-covalent PI3K inhibitor, such as alpelisib).
- a PI3K inhibitor e.g., a non-covalent PI3K inhibitor, such as alpelisib.
- the present invention provides a method of reducing or inhibiting cell proliferation, and/or a method of treating cancer comprising co-administering to a patient in need thereof a therapeutically effective amount of at least one compound of formula (FCB)a-(Ljb- (CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof.
- at least one therapeutically active agent is administered.
- the present invention also provides methods of treating, preventing, ameliorating and/or alleviating the progression of disorders or conditions characterized by cell proliferation in a subject. More particularly, the methods of the present invention involve administration of an effective amount of compounds described herein, in a subject to treat a disorder or a condition characterized by cell proliferation.
- administering can be effected or performed using any of the various methods known to those skilled in the art.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent can be administered, for example, subcutaneously, intravenously, parenterally, intraperitoneally, intradermally, intramuscularly, topically, enteral (e.g., orally), rectally, nasally, buccally, sublingually, vaginally, by inhalation spray, by drug pump or via an implanted reservoir in dosage formulations containing conventional non-toxic, physiologically acceptable carriers or vehicles.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent can be administered to a localized area in need of treatment.
- This can be achieved by, for example, and not by way of limitation, local infusion during surgery, topical application, transdermal patches, by injection, by catheter, by suppository, or by implant (the implant can optionally be of a porous, non-porous, or gelatinous material), including membranes, such as sialastic membranes or fibers.
- Compounds of the present disclosure are generally administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose.
- the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose.
- a dose may be administered once a day (QID), twice per day (BID), or more frequently, depending on the pharmacokinetic (PK) and pharmacodynamic (PD) properties, including absorption, distribution, metabolism, and excretion of the particular compound.
- PK pharmacokinetic
- PD pharmacodynamic
- toxicity factors may influence the dosage and administration regimen.
- the pill, capsule, or tablet may be ingested daily or less frequently for a specified period of time. The regimen may be repeated for a number of cycles of therapy.
- the dosing frequency for each of the compound of formula (A) or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof may vary from once per day to six times per day, or more. That is, the dosing frequency may be once per day, twice per day, three times per day, four times per day, five times per day, or six times per day. In some embodiments, dosing frequency may be one to six times per week or one to four times per month. In one embodiment, dosing frequency may be once a week, once every two weeks, once every three weeks, once every four weeks, or once a month.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein can be administered together with other biologically active agents, such as anticancer agents, analgesics, anti-inflammatory agents, anesthetics and other agents which can control one or more symptoms or causes of a disorder or a condition characterized by cell proliferation.
- biologically active agents such as anticancer agents, analgesics, anti-inflammatory agents, anesthetics and other agents which can control one or more symptoms or causes of a disorder or a condition characterized by cell proliferation.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent can be administered together with a second therapeutically active agent or more.
- administration can comprise administering to the subject a plurality of dosages over a suitable period of time. Such administration regimens can be determined according to routine methods, upon a review of the instant disclosure.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent are generally administered on an ongoing basis.
- administration of a compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein can commence prior to the development of disease symptoms as part of a strategy to delay or prevent the disease.
- the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein is administered after the onset of disease symptoms as part of a strategy to slow or reverse the disease process and/or part of a strategy to improve cellular function and reduce symptoms.
- dosage range will depend on the particular compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, and its potency.
- the dosage range is understood to be large enough to produce the desired effect in which the neurodegenerative or other disorder and the symptoms associated therewith are ameliorated and/or survival of the cells is achieved, but not be so large as to cause unmanageable adverse side effects.
- An effective amount the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein comprise amounts sufficient to produce a measurable biological response.
- Actual dosage levels of active ingredients of the present application can be varied so as to administer an amount of the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent that is effective to achieve the desired therapeutic response for a particular subject and/or application.
- a minimal dose is administered, and the dose is escalated in the absence of doselimiting toxicity to a minimally effective amount. Determination and adjustment of a therapeutically effective dose, as well as evaluation of when and how to make such adjustments, are known to those of ordinary skill in the art.
- Embodiment 1 A pharmaceutical combination comprising a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof, and at least one additional therapeutically active agent.
- Embodiment 2 The pharmaceutical combination of Embodiment 1, wherein the kinase is PI3 -kinase (PI3K).
- PI3K PI3 -kinase
- Embodiment 3 The pharmaceutical combination of Embodiment 1 , wherein the compound that forms a covalent bond with a kinase or pseudokinase is a compound having the formula:
- CLM is a covalent linking modality
- L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
- FCB comprises:
- Embodiment 4 The pharmaceutical combination of Embodiment 3, wherein FCB has the structure: wherein Ri is selected from the group consisting of: [0222] Embodiment 5.
- Embodiment 6 The pharmaceutical combination of any one of Embodiments 1-5, wherein the additional therapeutically active agent is another PI3K inhibitor, a RAS inhibitor or specifically a KRAS inhibitor.
- Embodiment 7 The pharmaceutical combination of claim 6, wherein the additional therapeutically active agent is a PI3K inhibitor.
- Embodiment 8 The pharmaceutical combination of Embodiment 6, wherein the inhibitor is an inhibitor for a KRAS mutant iG12C.
- Embodiment 9 The pharmaceutical combination of Embodiment 8, wherein the additional therapeutically active agent covalently binds to KRAS-G12C.
- Embodiment 10 The pharmaceutical combination of any one of Embodiments 6-9, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, and BI 1823911.
- the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, and BI 1823911.
- Embodiment 11 The pharmaceutical combination of Embodiments 10, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
- Embodiment 12 The pharmaceutical combination of Embodimentl 1 , wherein the KRAS inhibitor is adagrasib.
- Embodiment 13 The pharmaceutical combination of Embodiment 12, wherein the dosage amount of adagrasib is the range of about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
- Embodiment 14 The pharmaceutical combination of Embodiment 13, wherein the dose is administered once, twice, or three times a day.
- Embodiment 15 The pharmaceutical combination of any one of
- Embodiments 1-14 wherein the compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof and the at least one additional therapeutically active agent are in single dosage form or in separate dosage forms.
- Embodiment 16 The pharmaceutical combination of Embodiment 15, wherein the separate dosage forms are administered via same mode of administration or different modes of administration.
- Embodiment 17 The pharmaceutical combination of Embodiment 16, wherein the separate dosage forms are coadministered via simultaneous administration, sequential administration, overlapping administration, interval administration, continuous administration, or a combination thereof.
- Embodiment 18 A method for treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, and administering at least one additional therapeutically active agent before, during, or after the subject has been administered compound that forms a covalent bond with a kinase or pseudokinase.
- Embodiment 19 The method of Embodiment 18, wherein the kinase is PI3- kinase (PI3K).
- PI3K PI3- kinase
- Embodiment 20 The method of Embodiment 18, wherein the compound that forms a covalent bond with a kinase or pseudokinase is a compound having the formula:
- CLM is a covalent linking modality
- L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
- FCB comprises:
- Embodiment 21 The method of Embodiment 20, wherein FCB has the structure: wherein Ri is selected from the group consisting of: [0239] Embodiment 22. The method of Embodiment21, wherein the compound is
- Embodiment 23 The method of any one of Embodiments 18-22, wherein the additional therapeutically active agent is a RAS inhibitor or specifically KRAS inhibitor.
- Embodiment 24 The method of Embodiment23, wherein the additional therapeutically active agent is an inhibitor for a KRAS mutant.
- Embodiment 25 The method of Embodiment 24, wherein the KRAS mutant is G12C.
- Embodiment 26 The method of Embodiment 25, wherein the additional therapeutically active agent covalently binds to KRAS-G12C.
- Embodiment 27 The method of any one of Embodiments 23-26, wherein the
- KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS- 3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, and BI 1823911.
- Embodiment 28 The method of Embodiment 26, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
- Embodiment 29 The method of Embodiment 28, wherein the KRAS inhibitor is adagrasib.
- Embodiment 30 The method of Embodiment 29, wherein the dosage amount of adagrasib is the range of about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
- Embodiment 31 The method of Embodiment 30, wherein the dose is administered once, twice, or three times a day.
- Embodiment 32 The method any one of Embodiments 18-31, wherein the compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof and the at least one additional therapeutically active agent are in single dosage form or in separate dosage forms.
- Embodiment 33 The pharmaceutical combination of Embodiment 32, wherein the separate dosage forms are administered via same mode of administration or different modes of administration.
- Embodiment 34 The pharmaceutical combination of Embodiment 33, wherein the separate dosage forms are coadministered via simultaneous administration, sequential administration, overlapping administration, interval administration, continuous administration, or a combination thereof.
- Embodiment 35 The method of any one of Embodiments 18-34, wherein the cell proliferation disorder is cancer.
- Embodiment 36 The method of Embodiment 35, wherein the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
- the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
- Embodiment 37 The method of Embodiment 36, wherein the cancer is selected from the group consisting of wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
- Embodiment 38 The method of any one of Embodiments 18-37, wherein the subject is human.
- Embodiment 39 The pharmaceutical combination of Embodiment 1, which is a pharmaceutical formulation further comprising a pharmaceutically acceptable excipient or a pharmaceutically acceptable carrier.
- Embodiment 40 The method of any one of embodiments 1-39, wherein the PIK3 mutant is at amino residues E453, E542 and/or E545.
- Embodiment 41 The method of embodiment 40, wherein the mutations are
- E542K or E542A E545K or E545A; and/or E453K or E453A.
- Embodiment 42 The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from significant hyperglycemia.
- Embodiment 43 The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from hyperglycemia.
- Embodiment 44 The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, hyperglycemia is not increased or induced in the subject.
- Example 1 Synthesis and Characterization of methyl (5-(6-((4-(acryloylglycyl)piperazin-l- yl)methyl)-4-morpholinopyrrolo[2,l-f][l,2,4]triazin-2-yl)-4-(trifluoromethyl)pyridin-2- yl)carbamate (Compound 1 )
- O-(4-nitrobenzoyl) hydroxylamine (839.6 g, 1.02 equiv, 4.610 mol) was added portion- wise (exothermic, reached 36 °C). Reaction mixture turns into a dark purple suspension. The reaction mixture was stirred at 45 °C overnight (T slowly drops, mixture turns orange). A sample was taken after 18h and diluted with ACN/water for HPLC analysis. Then, a solution of sodium dithionite (478.6 g, 0.6 equiv, 2.749 mol) in water (2.5 L) was slowly added keeping the temperature below 30 °. The reaction mixture was transferred into a 50 L separation funnel. Toluene (15 L) and water (5 L) were added, and the phases were separated.
- the aqueous phase was extracted with toluene (3 x 1 L).
- the combined org phases were washed with water (5 x 1 L), sat. sodium bicarbonate (5 x 1 L) and brine (1 L), dried over sodium sulfate, filtered, and concentrated to give diethyl 1-amino-lH- pyrrole-2,4-dicarboxylate (1077 g, 3.90 mol, 86%) as an orange oil (81% QNMR purity), which solidified upon standing.
- the concentrated mother liquor (435 g) was purified by column chromatography once more (6 kg silica, gradient: DCM to 5% MeOH). Recrystallizing the product fractions resulted into an additional crop 61 g of ethyl l-amino-5-carbamoyl-lH-pyrrole-3-carboxylate. All crops merged gave ethyl l-amino-5- carbamoyl-lH-pyrrole-3-carboxylate (1) (195.7 g, 992.4 mmol, 29%) as a white solid.
- Step 1 Synthesis of Ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-oxo-3,4- dihydropyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (3).
- a 3L 3-neck flask was equipped with a condenser, temperature probe and a mechanical stirrer and charged with a solution of ethyl l-amino-5-carbamoyl-lH-pyrrole-3- carboxylate (1) (195.7 g, 1.00 equiv, 962.7 mmol) and 6-amino-4-(trifhroromethyl) nicotinaldehyde (2) (192.7 g, 1.00 equiv, 962.7 mmol) in DMSO (1.9 L). Then cupric chloride dihydrate (213.4 g, 1.30 equiv, 633.4 mmol) was added and the mixture was stirred at 100 °C for 18 hours.
- the mixture was cooled down to room temperature and poured onto ice water (10 L) causing the precipitation of the product.
- the suspension was stirred for 30 min before filtering (Buchner filter).
- the pale brown filter cake was washed with water (3 x 1 L) and TBME (3 x 1 L).
- the solids were stripped with toluene (3 x 1 L) on a rotary evaporator to remove residues of water.
- Step 2 Synthesis of Ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4- morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (4).
- the mixture was stirred at room temperature for 48 hours.
- the reaction mixture was transferred into a 20 L vessel and water (12.5 L) was slowly added.
- the suspension was filtered over a Buchner filter, washed with water (3 x 5 L) and TBME (2 x 5 L).
- the remaining clay like substance was re-dissolved in ethyl acetate at reflux.
- the hot suspension was filtered over a glass filter with Celite to remove the copper and the filtrate was concentrated.
- the remaining solid was suspended in ethyl acetate (IL) at 60 °C.
- the suspension was centrifuged at 3000 rpm.
- the resulting solution was decanted and concentrated.
- the residue was treated with warm ethyl acetate three more times.
- Step 3 Synthesis of tert-Butyl 4-(2-(6-amino-4-(trifluoromethyl) pyri din-3 -yl)-4- morpholinopyrrolo [2, 1 -f] [1,2,4] triazine-6-carbonyl) piperazine- 1 -carboxylate (5)
- the conversion was monitored by LCMS and proton NMR analysis.
- the reaction mixture was concentrated at 50 °C to remove the majority of THF.
- the material was dissolved in ethyl acetate (I L) and washed with a IM solution of potassium bisulfate (2 x 500 mL), water (3 x 500 ml, diluted with brine to enhance separation) and brine (250 mL).
- the organic phase was dried over sodium sulfate, filtered and concentrated at 50 °C (foaming brown oil).
- the brown foam was stripped with toluene (1.5 L) to remove traces of ethyl acetate and tert-butyl 4-(2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carbonyl) piperazine- 1 -carboxylate (5) (382.0 g, 464 mmol, 98%) was obtained as a brown foam with a QNMR purity of 70%.
- Step 4 tert- Butyl 4-((2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4- morpholinopyrrolo [2,1-fJ [1,2,4] triazin-6-yl) methyl) piperazine-l-carboxylate (6).
- Step 5 tert-Butyl 4-((2-(6-((methoxycarbonyl)amino)-4-(trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f
- Step 6 Methyl (5-(4-morpholino-6-(piperazin-l-ylmethyl) pyrrolo[2,l-f
- Step 7 Methyl (5-(6-((4-(acryloylglycyl) piperazin- 1-yl) methyl)-4- morpholinopyrrolo[2,l-f] [1,2,4] triazin-2-yl)-4-(trifluoromethyl) pyridin-2-yl) carbamate (Compound 1).
- the organic phase was dried over sodium sulphate, filtered, and concentrated to give the 147.2 g of crude material as a red sticky oil.
- the crude material was dissolved in NMP (600 mL) at room temperature and water (1.5 L) was added dropwise. The mixture was stirred for 1 h at room temperature and then filtered off. The residue was extensively washed with water and TBME to remove most of the NMP.
- the obtained solids were dissolved in DMSO (470 mL) and precipitated by adding water (900 mL). Once again, the residue was extensively washed with water and TBME to remove most of the NMP and DMSO.
- Human embryonic kidney 293-H (HEK 293, Gibco 293-H, #11631017) cell lines were maintained in Dulbecco’s Modified Eagle Medium, high glucose, pyruvate (DMEM, Gibco, #11995065) supplemented with 10% fetal bovine serum (FBS, Gibco, #10082147) and l x penicillin-streptomycin (100x solution, Gibco, #15140148) at 37 °C and 5% CO2 in a water- saturated incubator. Cell were trypsinized using 0.05% or 0.25% Trypsin-EDTA solution (Trypsin-EDTA, phenol red, Gibco, #25200056 (0.25%) or #25300054). Opti-MEM media supplemented with 10% fetal bovine serum (Opti-MEM I reduced serum media, no phenol red, Gibco, # 11058021) was used for culturing cells overnight for NanoBRET readout experiments.
- DMEM Modified Eagle Medium, high glucose,
- HEK293 cells were cultivated appropriately prior to assay.
- the medium from cell flask was removed via aspiration, washed 1 x with PBS followed by aspiration, trypsinized, and cells were allowed to dissociate from the flask. Trypsin was neutralized using growth medium and cells were pelleted via centrifugation at 200 x g for 5 minutes.
- the medium was aspirated and the cells were resuspended into a single cell suspension using Opti-MEM I supplemented with 10% FBS.
- the cell density was adjusted to 2 x 10 5 /mL in Opti-MEM I supplemented with 10% FBS in a sterile, conical tube.
- the cells were transfected and aliquoted directly in a 96-well plate for the NanoBRET assay the next day, and therefore, the cells were cultured overnight in Opti-MEM.
- the cells were also transfected in bulk and dispensed into a 96-well plate to allow cells to adhere to the plate overnight, thereby enabling washout studies.
- lipid:DNA complexes were prepared as follows:
- a 10 pg/mL solution of DNA was prepared in Opti-MEM without serum. This solution contains the following ratios of carrier DNA and DNA encoding NanoLuc fused to the biological target. Serial dilution steps may be warranted to accurately dilute the NanoLuc fusion DNA. Added, in order, the following reagents were added to a sterile polystyrene test tube: 1 mL of Opti-MEM without phenol red; 9.0 pg/mL of carrier DNA; 1.0 pg/mL of NanoLuc fusion DNA (for some targets, the amount is less). The reagents were mixed thoroughly. 30 pL of FuGENE HD is added into each mL of DNA mixture to form lipid:DNA complex.
- FuGENE HD does not touch the plastic side of the tube and pipetted directly into the liquid in the tube. It is mixed by pipetting up and down 5-10 times and incubated at room temperature for 20 minutes to allow complexes to form. 1 part (e.g. ImL) of lipid:DNA complex was mixed with 20 parts (e.g. 20mL) of HEK293 cells in suspension at 2 x 10 5 /mL and mixed gently by pipetting up and down 5 times in a sterile, conical tube. Larger or smaller bulk transfections are scaled accordingly, using this ratio.
- ImL lipid:DNA complex
- 100 pL cells + lipid:DNA complex was dispensed into a sterile, tissue-culture treated 96-well plate (20,000 cells/well), and incubated at least 16 hours to allow expression. The cells were then incubated in a 37 °C + 5% CO2 incubator for >16 hrs.
- the serially diluted Compound 1 was prepared at 100x final concentration in 100% DMSO.
- the serially diluted Compound 1 stock was prepared in PCR plates. 1 pL per well of 100x serially diluted inhibitor/ compound was added to the cells in 96-well plates that have been transiently transfected overnight and mixed by tapping the plate by hand. The plate was incubated at 37 °C + 5% CO2 incubator overnight.
- a IX solution of substrate mix (500X stock) and appropriate concentration of tracer was prepared in Opti-Mem.
- the cells were washed by setting a plate washer to the 96 well plate 5X in PBS pH 7.4 by adding 200 pL PBS each time. The cells were incubated at 37 °C for 2 hours. lOOpL of the IX Substrate-Tracer solution was added and the 96 well plate is gently tapped to mix. The plate on plate reader is read every hour for the next 6 hours.
- the binding assay results show that Compound 1 provides greater than 80% inhibition of the PI3K target.
- the objective of this study was investigate the effect of Compound 1 on the cell proliferation of 13 cell lines after 3 days treatment, and determine the IC50 of Compound 1 in each cell line.
- the cell lines tested included as follows: UM-UC-3 (bladder), KYSE-410 (HN/Esophagus), SW1463 (rectum), Calu-1 (Lung), NCI-H358 (Lung), SW837 (Rectum), SW756 (Cervix), NCI-H2122 (Lung), NCI-H1373 (Lung), NCI-H1792 (Lung), NCI-H23 (Lung), MIA PaCa-2 (Pancreas), and HC44.
- Cells were recovered and maintained in appropriate culture media. The cells were harvested respectively during the logarithmic growth period. The cells were then resuspended and counted using a Vi cell counter (The cell viability be measured by trypan blue exclusion assay.). The cells were then diluted and 90 pL cell suspensions were used in 96-well plates according to plate map with final cell density. Two duplicate plates were set up. One is for day 0 reading (TO) and the other was cultured in incubator for reading at the end point. The incubated plates were incubated overnight in humidified incubator at 37° C with 5% CO2.
- Compound 1 inhibits covalently both wild-type and mutant PI3Ka.
- Compound 1 is selective for PI3Ka over other PI3K isoforms and shows high selectively across the kinome.
- We confirmed covalent binding to PI3Ka by demonstrating 1) sustained binding up to 6 hours following washout in a NanoBRET assay, and 2) a Kinact / Ki of 5.6 x lO ⁇ M ⁇ s' 1 as determined by TR-FRET time course.
- Compound 1 produced sustained inhibition of phosphorylated AKT(S473) up to 48 hours whereas allosteric inhibitors lost >60% inhibition.
- Compound 1 inhibited cell proliferation in 50% more cell lines than the best-in-class PI3Ka inhibitor, Alpelisib.
- PI3Ka inhibitor Alpelisib.
- We found no strong association of cell proliferation inhibition with PI3Ka mutation status indeed, we found a higher frequency of cell proliferation inhibition in cell lines with wild-type PI3Ka for both Compound 1 and Alpelisib.
- Compound 1 produced reproducible and substantial tumor growth inhibition in multiple different cell-derived and patient-derived xenograft cancer models.
- Compound 1 induced tumor regressions greater than Alpelisib and Inavolisib (GDC-0077) despite comparable pharmacokinetic exposures.
- Compound 1 a covalent, PI3Ka-selective inhibitor is a best-in-class PI3Ka inhibitor demonstrating superior efficacy over both competitive and mutant-specific PI3Ka inhibitors.
- Example 4 Inhibition by Compound 1 across different isoforms of PI3K
- FIG. 1 shows inhibition by Compound 1 across different isoforms of PI3K.
- Compound 1 is approximately an order of magnitude more selective for wild-type and mutant PI3Ka over the other PI3K isoforms.
- FIG. 2 shows a comparison of Compound 1 with best-in-class PI3Ka selective inhibitors. Biochemical assays were performed using ADP-Glo (Promega).
- Compound 1 is a potent wild-type and mutant PI3Ka selective irreversible inhibitor.
- Binding of Compound 1 was profiled over 450 kinases with KINOMEScanTM (Eurofins). Binding to a kinase is quantified as the percentage of control with zero representing the highest binding of Compound 1 and higher numbers (100%) representing no binding. Binding data are represented as a TREEspotTM interaction map depicted in FIG. 3.
- Compound 1 shows excellent kinase specificity as revealed by Kinome Scan depicted in FIG. 3.
- Compound 1 is selective for PI3Ka over other isoforms of PI3K and has a very clean kinome profile.
- Example 6 IC50 values of Test Compounds at PI3Ka
- HEK293 cells transfected with a luciferase-PI3Ka construct were treated with either Compound 1, Alpelisib or GDC-0077 at a series of 12 serially diluted concentrations (lOpM - 0.3nM) for 1 hour. Tracer for PI3Ka was added to determine an IC50 for binding of each compound. Cells were then washed three times and IC50 determinations were made every hour for 6 hours following compound washout (only 1, 3 and 5 hours shown for clarity) as shown in
- Example 7 Efficacy of Compound 1 in cells with mutations responsible for resistance to Alpelisib
- a second wash was performed using 1ml of PBS and was immediately aspirated off.
- Lysate was removed to a 1.5ml microcentrifuge tube and frozen at -80°C until all samples could be run at once.
- Plates were swirled slowly to mix and incubated at 37°C and 5% CO2 until they were ready to be harvested.
- a second wash was performed using 1ml of PBS and was immediately aspirated off.
- Lysate was removed to a 1.5ml microcentrifuge tube and frozen at -80°C until all samples could be run at once.
- Blocking buffer was removed and primary antibodies were added each diluted 1 : 1000 in Odyssey blocking buffer. Primary antibodies used are listed below;
- Secondary antibodies were diluted 1 : 10,000 in odyssey blocking buffer (donkey-anti- rabbit IRDYE 800 and donkey-anti-mouse IRDYE 680).
- Blots were wrapped in clingwrap and imaged on a Biorad ChemiDoc imager.
- the band that corresponds to phosphorylated AKT is diminished with Compound 1 treatment at both concentrations (100 nM and 1000 nM).
- the pAKT band from the Alpelisib treatment doesn’t show a decrease in band intensity at either of the concentrations. It is well established that pAKT is downstream of PI3K and, moreover, the PTEN protein is known to have a negative influence on PI3K signaling and its loss is known to result in resistance to alpelisib.
- the CAL51 cells have lost expression of PTEN and therefore these cells have lost a level of negative control in PI3K signaling.
- T-47D cells (PI3KCA wild-type / PI3KCA H1047R (“mutant”) heterozygous) were plated in 0.5ml media at 0.2 x 10 6 cells / well in 12- well plates (three plates: one plate each for 8, 24 and 48 hour time points). Following overnight incubation at 37°C, 5% CO2, 0.5ml of media containing a 2x concentration of compound was added to the media on the cells to give a final concentration of compound of lOOnM.
- the treatment conditions were: DMSO vehicle control, Compound 1 and three different mutant-specific PI3Ka inhibitors (these compounds were synthesized based on structures reported in a patent application).
- a specific 12-well plate - media was flicked off the cells, the cells were washed once with cold PBS and then 200pl lysis buffer (RIPA buffer supplemented with proteinase and phosphatase inhibitors) was added to each well. Lysates were transferred to Eppendorf tubes and were cleared of debris by spinning at 15, 000g for 10 minutes. Supernatant was removed and placed in new Eppendorf tubes and then 20 pl used for protein quantification (BCA assay).
- lysis buffer RIPA buffer supplemented with proteinase and phosphatase inhibitors
- T-47D cells (PIK3CA_ wt/H1047R) were treated with compounds at lOOnM for the indicated times.
- Compound 1 a covalent inhibitor of both wild-type and mutant PI3Ka, maintained inhibition of pAKT(S473) for the duration of the experiment up to 48 hours.
- the initial inhibition of pAKT(S473) but then loss at later time points may result from the inhibition of mutant PI3Ka but then a failure to inhibit wildtype PI3Ka activity recruited at later time points (a so-called “rebound” effect).
- the durable inhibition of pAKT observed with Compound 1 is likely the result of both inhibition of mutant PI3Ka and of wild-type PI3Ka.
- Semi-quantitative analysis of Western blots was performed by average intensity determination (ImageJ); pAKT intensity was normalized to that of total AKT.
- Compound 1 potently inhibits proliferation of various cell lines. Of 120 cancer cell lines for which Alpelsib gave an IC50, Compound 1 was almost always more potent. Inhibition of cell proliferation by either Compound 1 or Alpelisib showed no correlation between cells with wild-type or mutant PIK3CA.
- Example 10 Anti-tumor activity of Compound 1 in xenograft models
- Compound 1 was determined in xenograft models - subcutaneous human colorectal cancer (SW948) and human lung cancer (NCI-H460) - in female BALB/c nude mice. The average tumor volume of 10 mice per group with standard error of the mean are shown in FIG. 8 and FIG. 9. Compound 1 produced substantial tumor growth inhibition in subcutaneous human colorectal cancer (SW948) and human lung cancer (NCI-H460) xenograft cancer models.
- Example 11 Summary of Compound 1 efficacy in multiple PDX Models
- Compound 1 shows superior and excellent efficacy in a panel of patient-derived xenograft (PDX) models.
- Compound 1 produced substantial tumor growth inhibition in multiple different xenograft cancer models.
- Compound 1 induced tumor regressions greater than Alpelisib and Inavolisib (GDC- 0077).
- Example 12 Inhibition of both PI3Ka and P 13 Kfi is required to induce significant hyperglycemia.
- FIG. 11 A shows a graph of glucose concentration vs time in a PI3Ka knockout hepatocyte.
- FIG. 11 B shows a graph of glucose concentration vs time in a PI3Ka knockout skeletal muscle.
- Example 13 Compound 1 demonstrates superior efficacy and does not induce significant hyperglycemia at efficacious doses in multiple animal models and uniquely shows no effects on glucose uptake at effective concentrations compared to other inhibitors
- Compound 1 does not induce hyperglycemia in dogs at exposures for superior efficacy
- blood glucose levels were assessed in both male and female dogs over time. Glucose levels were measured in samples at baseline, following 7 daily Compound 1 administrations at 1.0 mg/kg, following 7 daily Compound 1 administrations at 1.75 mg/kg, and after a 7 day washout period.
- FIG. 12 is a graph showing blood glucose levels in both male and female dogs over time.
- FIG. 15 shows blood glucose levels from GLP toxicology studies sampled at Compound 1 steady-state.
- Compound 1 accumulates on PI3Ka over time to induce significant tumor regressions with no hyperglycemic effects in CDX and PDX models
- Compound 1 As shown in CDX (FIG. 13) and PDX (FIG. 14) models of breast cancer, low doses of Compound 1 can yield superior efficacy with no hyperglycemic effects. Compound 1 was found to accumulate on target over time promoting regressions as late as day 13 at a 0.5mg/kg BID dose.
- Example 14 Mutant-specific non-covalent compounds cannot achieve durable inhibition and are highly susceptible to feedback.
- Compound 1 uniquely achieves sustained inhibition of PI3K indicated by phospho-AKT and phospho-PRAS40 levels.
- PI3K-mutant cancer cells are grown in the presence of insulin and cells were harvest at 0, 3, 24, and 48 hours after cell treatment.
- Pathway reactivation is detected by phosphorylation level of downstream effectors, AKT and PRAS40, at each time point indicated.
- Mutant-specific inhibitors are susceptible to pathway reactivation due to hyperactivation of mutant and wild type PI3Ka. Cells were harvested after 48 hours of drug treatment. As shown in FIG. 17, in contrast to mutant-specific inhibitors, Compound 1 shows >95% inhibition of PI3Ka signaling.
Abstract
The present invention provides methods, compositions, and combinations for treating cancer via combined use of a compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof, and at least one additional therapeutically active agent.
Description
COVALENT INHIBITORS OF WILD-TYPE AND MUTANT PI3K AND METHOD OF
USES THEREOF
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority to U.S. Provisional Application No. 63/417,291, filed October 18, 2022, the contents of which is hereby incorporated by reference in its entirety for all purposes.
BACKGROUND OF THE DISCLOSURE
[0002] Phosphatidylinositol 3 -kinases (PI3Ks) comprise a family of lipid kinases that catalyze the transfer of phosphate to the 3 -position of the inositol ring of phosphatidylinositol and its derivatives to produce phosphoinositol-3 -phosphate (PI(3)P), phosphoinositol-3,4-diphosphate (PI(3,4)P2) and phosphoinositol-3, 4, 5 -triphosphate (PI(3,4,5)P3) that, in turn, act as second messengers in signaling cascades by docking proteins containing pleckstrin-homology, FYVE, Phox and other phospholipid-binding domains into a variety of signaling complexes often at the plasma membrane ((Vanhaesebroeck et al., Annu. Rev. Biochem 70:535 (2001); Katso et al., Annu. Rev. Cell Dev. Biol. 17:615 (2001)). PI3Ks have been divided into three classes according to their structural characteristics and substrate specificity. Class IA PI3Ks are heterodimers composed of a pl 10 catalytic subunit and a p85 regulatory subunit. In mammals, there are three genes, PIK3CA, PIK3CB and PIK3CD, encoding pl 10 catalytic isoforms: pl 10a, pl iop and pl 105, respectively. There are also three genes, PIK3R1, PIK3R2 and PIK3R3, encoding p85a (and its splicing variants p55a and p50 a), p850 and p55y regulatory subunits, respectively, collectively called p85. The modular domains of the p85/55/50 subunits include Src Homology (SH2) domains that bind phosphotyrosine residues in a specific sequence context on activated receptor and cytoplasmic tyrosine kinases, resulting in activation and localization of Class 1A PI3Ks. Class IB PI3K is a heterodimer composed of a catalytic subunit pl lOy and a regulatory subunit plOl. pl lOy is mainly expressed in leukocytes and can be activated directly by GPCRs. Class II PI3Ks are monomers with only a single catalytic subunit. Class III PI3Ks consists of a single catalytic subunit Vps34 (homolog of the yeast vacuolar protein-sorting defective 34). The phospholipid products of class I PI3K link upstream receptors with downstream cellular
activities including proliferation, survival, chemotaxis, cellular trafficking, motility, metabolism, inflammatory and allergic responses, transcription and translation (Cantley et al., Cell 64:281 (1991); Escobedo and Williams, Nature 335:85 (1988); Fantl et al., Cell 69:413 (1992)).
[0003] Initial efforts to target mutant PI3Ka were met with challenges due to poor pharmacokinetic properties of the inhibitors or poor target selectivity from compounds that ultimately inhibited other PI3K family members or other proteins entirely, limiting therapeutic index. Moreover, the ability to durably inhibit tumor growth has been impaired by adaptive responses that lead to upregulation of additional oncogenic signal, such as estrogen receptor. More recently, selective inhibitors of PI3Ka, such as alpelisib (BYL719; Novartis Pharma AG) have been developed and combined with potent inhibitors of ER signaling. Although these drug combinations have demonstrated improved activity, resistance remains ubiquitous. This was highlighted by the results of the SOLAR- 1 Phase III study of alpelisib combined with fulvestrant in PIK3CA-mutated HR+ MBC that showed a markedly improved PFS over fulvestrant monotherapy but pervasive resistance, nonetheless. Further, it has been shown that mutation of the AKT phosphatase, PTEN, was identified in patients in with acquired resistance to selective inhibitor of PI3Ka inhibitor alpelisib. It was found that patients with tumors which harbored PTEN loss derived no clinical benefit from alpelisib plus Al as both had progressive disease (Razavi et al. Nature Cancer 4, 382 (2020).
[0004] There is this interest and a current need for binding to and regulating PI3K for treatment of various diseases.
SUMMARY
[0005] The present invention includes methods, pharmaceutical combinations or methods of use thereof of pharmaceutical combinations comprising a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof. In one specific embodiment, the kinase is PI3-kinase (PI3K).
[0006] In a specific embodiment, the methods may include treating cancer in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound of Formula A and wherein the subject has a wildtype or mutant form of PI3 -kinase (PI3K):
(FCB)a-(L)b-(CLM)c, (Formula A) or a pharmaceutically acceptable salt thereof, wherein: CLM is a covalent linking modality;
L is a linker; a and c are each independently integers between 1 and
b is an integer between 0 and 5;
[0007] In another embodiment, FCB has the structure:
wherein Ri is selected from the group consisting of:
[0009] In another embodiment, the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
[0010] In a specific embodiment, the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer. In another embodiment, the kinase is a mutated PI3Ka or mutated PI3K0. In another embodiment, the kinase is mutated PI3Ka.
[0011] In another embodiment, the subject has a mutation of AKT phosphatase, and/or PTEN. In another embodiment, wherein the subject has the oncogene PIK3Ca.
[0012] In embodiments, the subject has a mutation in PIK3CA and/or PTEN. In embodiments, the subject has a mutation in PIK3CA and PTEN.
[0013] In another embodiment, the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor. In an embodiment, the earlier administered PI3K inhibitor is a non-covalent PI3K inhibitor e.g., an ATP-competitive inhibitor or an allosteric inhibitor. In another embodiment, the earlier administered PI3K inhibitor is alpelisib. In another embodiment, the earlier administered PI3K inhibitor is GDC-0077.
[0014] In embodiments, the subject has cancer characterized by a PIK3CA mutation and/or
PTEN mutation.
[0015] In embodiments, the cancer is characterized by PTEN low status or PTEN loss.
[0016] In a specific embodiment, the subjects may have cancer or a cancer cell that no longer expresses PTEN.
[0017] In another embodiment, the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT. In a specific embodiment, the phosphorylated AKT is pAKT(S473).
[0018] In another embodiment, the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least 24 hrs, at least 48 hrs, at least 3 days, at least 4 days, at least 5 days, at least 6 days, at least 7 days, or at least 2 weeks.
[0019] In another embodiment, the subject is human. In another embodiment, the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
[0020] In another embodiment of the methods described herein, the methods may include treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, wherein the kinase is wildtype or mutant PI3 -kinase (PI3K).
BRIEF DESCRIPTION OF THE FIGURES
[0021] FIG. 1 shows % inhibition by Compound 1 across different isoforms of PI3K.
[0022] FIG. 2 depicts a comparison of IC50 values of Compound 1 with best-in-class PI3Ka selective inhibitors across different isoforms of PI3K.
[0023] FIG. 3 shows binding of Compound 1 (luM) over 450 kinases with KINOMEScan™
(Eurofins).
[0024] FIG. 4 shows IC50 values of Compound 1, Alpelisib and GDC-007 tested on HEK293 cells transfected with a luciferase-PI3Ka at 1, 3 and 5 hours.
[0025] FIG. 5 shows Western blots of protein extracts obtained from wild-type PTEN (MCF-7) cells and mutant PTEN (CAL51) cells treated with Compound 1 or Alpelisib.
[0026] FIG. 6 shows inhibition of pAKT by compound 1 compared to three other mutantspecific PI3Ka inhibitors in PI3Ka-mutant Breast Cancer Cell Line (T-47D).
[0027] FIG. 7 shows inhibition of cancer cell proliferation by either Compound 1 or Alpelisib.
[0028] FIG. 8 shows anti-tumor activity of compound 1 in human lung cancer (NCLH460) xenograft model. The average tumor volume of 10 mice per group with standard error of the mean are shown.
[0029] FIG. 9 shows anti-tumor activity of compound 1 in subcutaneous human colorectal cancer (SW948) xenograft model. The average tumor volume of 10 mice per group with standard error of the mean are shown.
[0030] FIG. 10A, FIG. 10B, and FIG. 10C shows a summary of Compound 1 efficacy in multiple PDX Models.
[0031] FIG. 11 A shows a graph of glucose concentration vs time in a PI3Ka knockout hepatocyte. FIG. 11B shows a graph of glucose concentration vs time in a PI3Ka knockout skeletal muscle.
[0032] FIG. 12 is a graph showing blood glucose levels in both male and female dogs over time.
[0033] FIG. 13 shows anti-tumor activity of compound 1 in a breast cancer CDX model following treatment with Compound 1 at 10 mg/kg QD, 2.25 mg/kg BID, 1 mg/kg BID, 0.75 mg/kg BID, 0.5 mg/kg BID, and 3 mg/kg BID.
[0034] FIG. 14 shows anti-tumor activity of compound 1 in a breast cancer PDX model following treatment with Compound 1 at 10 mg/kg QD, 3 mg/kg BID, 0.75 mg/kg BID, and 2.25 mg/kg BID.
[0035] FIG. 15 shows blood glucose levels from GLP toxicology studies sampled at Compound 1 steady-state.
[0036] FIG. 16 shows in vitro assessment of glucose uptake in human adipocytes treated with Compound 1 and other inhibitors. The proliferative impact on cancer cells has been overlayed on this data (T47D cells).
[0037] FIG. 17 shows Mutant-specific non-covalent compounds cannot achieve durable inhibition and are highly susceptible to feedback.
[0038] FIG. 18 shows inhibition of cell viability in multiple PI3Ka-mutant cell lines, of Compound 1 as compared to noncovalent inhibitors like Alpelisib and mutant-specific molecules.
[0039] FIG. 19 shows Compound 1 uniquely achieves sustained inhibition of PI3Ka signaling and blocks feedback re-activation.
DETAILED DESCRIPTIONS OF THE DISCLOSURE
[0040] Definitions
[0041] For convenience, certain terms employed in the specification, examples and claims are collected here. Unless defined otherwise, all technical and scientific terms used in this disclosure have the same meanings as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
[0042] Throughout the present specification, the terms “about” and/or “approximately” may be used in conjunction with numerical values and/or ranges. The term “about” is understood to mean those values near to a recited value. Furthermore, the phrases “less than about [a value]” or “greater than about [a value]” should be understood in view of the definition of the term “about” provided herein. The terms “about” and “approximately” may be used interchangeably.
[0043] Throughout the present specification, numerical ranges are provided for certain quantities. It is to be understood that these ranges comprise all subranges therein. Thus, the range “from 50 to 80” includes all possible ranges therein (e.g., 51-79, 52-78, 53-77, 54-76, 55-75, 60- 70, etc.). Furthermore, all values within a given range may be an endpoint for the range encompassed thereby (e.g., the range 50-80 includes the ranges with endpoints such as 55-80, SO- 75, etc.).
[0044] The term “a” or “an” refers to one or more of that entity; for example, “a PI3 -kinase (PI3K) modulator” refers to one or more PI3 -kinase (PI3K) modulators or at least one PI3 -kinase (PI3K) modulator. In embodiments, the PI3 -kinase (PI3K) modulator is a PI3Ka modulator. As such, the terms “a” (or “an”), “one or more” and “at least one” are used interchangeably herein. In
addition, reference to “an inhibitor” by the indefinite article “a” or “an” does not exclude the possibility that more than one of the inhibitors is present, unless the context clearly requires that there is one and only one of the inhibitors.
[0045] As used herein, the verb “comprise” as is used in this description and in the claims and its conjugations are used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. The present invention may suitably “comprise”, “consist of’, or “consist essentially of’, the steps, elements, and/or reagents described in the claims.
[0046] It is further noted that the claims may be drafted to exclude any optional element. As such, this statement is intended to serve as antecedent basis for use of such exclusive terminology as “solely”, “only” and the like in connection with the recitation of claim elements, or the use of a “negative” limitation.
[0047] The terms “excipient”, “carrier”, and “vehicle” are used interchangeably throughout this application and denote a substance with which a compound of the present invention is administered.
[0048] The term “combination therapy” refers to a first therapy that includes a compound having the formula: (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or pharmaceutically acceptable salt thereof, in conjunction with a second therapy (e.g., therapy, surgery and/or an additional pharmaceutical agent) useful for treating, stabilizing, preventing, and/or delaying the disease or condition. Administration in “conjunction with” another therapeutically active agent includes administration in the same or different composition(s) and/or combinations, either sequentially, simultaneously, or continuously, through the same or different routes. In some embodiments, the combination therapy optionally includes one or more pharmaceutically acceptable carriers or excipients, non-pharmaceutically active compounds, and/or inert substances.
[0049] The terms “pharmaceutical combination,” “therapeutic combination” or “combination” as used herein, refers to a single dosage form comprising at least two therapeutically active agents, or separate dosage forms comprising at least two therapeutically active agents together or separately for use in combination therapy. For example, one therapeutically active agent may be formulated into one dosage form and the other therapeutically
active agent may be formulated into a single or different dosage forms. For example, one therapeutically active agent may be formulated into a solid oral dosage form whereas the second therapeutically active agent may be formulated into a solution dosage form for parenteral administration.
[0050] As used herein, the terms “additional pharmaceutical agent” or “additional therapeutic agent” or “additional therapeutically active agent” with respect to the compounds described herein refers to an active agent other than the compounds of and/or their subgenera, or Compound 1, which is administered to elicit a therapeutic effect. The pharmaceutical agent(s) may be directed to a therapeutic effect related to the condition that the compounds of the present disclosure is intended to treat or prevent (e.g., cancer) or to further reduce the appearance or severity of side effects of the compounds of the present disclosure.
[0051] As used herein, the phrase “a disorder characterized by cell proliferation” or “a condition characterized by cell proliferation” include, but are not limited to, cancer, benign and malignant tumors. Examples of cancer and tumors include, but are not limited to, cancers or tumor growth of the colorectum, breast, lung, liver, pancreas, lymph node, colon, prostate, brain, head and neck, skin, kidney, blood and heart (e.g., leukemia, lymphoma, carcinoma).
[0052] The term “treating” means one or more of relieving, alleviating, delaying, reducing, improving, or managing at least one symptom of a condition in a subject. The term “treating” may also mean one or more of arresting, delaying the onset (i.e., the period prior to clinical manifestation of the condition) or reducing the risk of developing or worsening a condition.
[0053] As used herein, the terms “inhibiting” or “reducing” cell proliferation is meant to slow down, to decrease, or, for example, to stop the amount of cell proliferation, as measured using methods known to those of ordinary skill in the art, by, for example, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, or 100%, when compared to proliferating cells that are not subjected to the methods, compositions , and combinations of the present application.
[0054] An “effective amount” means the amount of a formulation according to the invention that, when administered to a patient for treating a state, disorder or condition is sufficient to effect such treatment. The “effective amount” will vary depending on the active ingredient, the state, disorder, or condition to be treated and its severity, and the age, weight, physical condition and responsiveness of the mammal to be treated.
[0055] “Therapeutically effective amount” means the amount of a compound or a therapeutically active agent that, when administered to a patient for treating a disease or other undesirable medical condition, is sufficient to have a beneficial effect with respect to that disease or condition. The therapeutically effective amount will vary depending on the type of the selected compound or a therapeutically active agent, the disease or condition and its severity, and the age, weight, etc. of the patient to be treated. Determining the therapeutically effective amount of a given compound or a therapeutically active agent is within the ordinary skill of the art and requires no more than routine experimentation.
[0056] The term “therapeutically effective” applied to dose or amount refers to that quantity of a compound or pharmaceutical formulation that is sufficient to result in a desired clinical benefit after administration to a patient in need thereof.
[0057] As used herein, a “subject” can be a human, non-human primate, mammal, rat, mouse, cow, horse, pig, sheep, goat, dog, cat and the like. In embodiments, the subject is human. In embodiments, the subject can be suspected of having or at risk for having a cancer. The terms “subject” and “patient” are used interchangeably throughout the present application.
[0058] ‘Mammal” includes humans and both domestic animals such as laboratory animals (e.g., mice, rats, monkeys, dogs, etc.) and household pets (e.g., cats, dogs, swine, cattle, sheep, goats, horses, rabbits), and non-domestic animals such as wildlife and the like.
[0059] All weight percentages (i.e., “% by weight” and “wt. %” and w/w) referenced herein, unless otherwise indicated, are measured relative to the total weight of the pharmaceutical composition.
[0060] As used herein, “substantially” or “substantial” refers to the complete or nearly complete extent or degree of an action, characteristic, property, state, structure, item, or result. For example, an object that is “substantially” enclosed would mean that the object is either completely enclosed or nearly completely enclosed. The exact allowable degree of deviation from absolute completeness may in some cases depend on the specific context. However, generally speaking, the nearness of completion will be so as to have the same overall result as if absolute and total completion were obtained. The use of “substantially” is equally applicable when used in a negative connotation to refer to the complete or near complete lack of action, characteristic, property, state, structure, item, or result. For example, a composition that is “substantially free of’ other active
agents would either completely lack other active agents, or so nearly completely lack other active agents that the effect would be the same as if it completely lacked other active agents. In other words, a composition that is “substantially free of’ an ingredient or element or another active agent may still contain such an item as long as there is no measurable effect thereof.
[0061] Compounds that form a covalent bond with PI3-kinase (PI3K)
[0062] In embodiments, provided herein is compounds having the formula:
(FCB)a-(L)b-(CLM)c, or a pharmaceutically acceptable salt thereof, and/or their subgenera, or Compound 1, or salts, solvates, esters and/or prodrugs thereof disclosed herein.
[0063] The PI3K compounds include for example, Anchored Relational Covalent System, hereafter referred to as the ARCS, which comprises a Functionally Competent Binder, hereafter referred to as the FCB; a Covalent Linking Modality, hereafter referred to as the CLM, wherein the CLM is attached directly or indirectly to said therapeutic modality; and optionally a linker positioned between the FCB and the CLM. In some embodiments, a CLM is covalently attached to an FCB directly with a bond. In some embodiments, a CLM is covalently attached to an FCB indirectly with a linker.
[0064] The term “ARCS” as used herein, refers to any therapeutic conjugate that is formed by linking an FCB and a CLM with a bond or a linker. In some embodiments, the ARCS can form a covalent bond with one or multiple targets such as nucleotides, oligonucleotides, peptides, or proteins. In some embodiments, the ARCS can form a covalent bond with a biological target. The covalent bond can be detected with any known method in the art. As a non-limiting example, covalent attachment of azido-small molecules to the proteins can be detected by using click chemistry to attach heavy, PEG- containing alkynes to the small molecules. The covalently labeled proteins are detected by a gel shift that occurs because they are now PEG- labeled and have a higher molecular weight (Biochemistry 2018, 57:5769-5774). In another non-limiting example, mass spectrometry can be used to detect covalently-labeled, purified protein (Nature Chemical Biology 2007, 3:229-238). In yet another non-limiting example, cellular quantitative mass spectrometrybased proteomic methods can be used to analyze covalent bonding (Cell Chemical Biology 2017,
24: 1388-1400. e7). In yet another non-limiting example, X-ray crystallography is used to confirm covalent bond formation (Nature Chemical Biology 2007, 3:229-238; J. Med. Chem. 2020, 63:52- 65). In yet another non-limiting example, mass spectrometry of in-cell, covalently-labeled, and affinity- enriched samples can be used to reveal the site of covalent modification (Nat. Chem. Biol. 2016, 12:876-884).
[0065] In some embodiments, the ARCS can form a covalent bond with the biological target to a percent of about 5%-100% of the biological target. In some embodiments, the ARCS can form a covalent bond with the biological target from about 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95% or 100%. In some embodiments, the covalent bond is formed in an aqueous solution at a temperature of 0-50°C, within 48 hours, and at a treatment dose of lOmM.
[0066] Not willing to be bound to any theory, the ARCS may first form a non-covalent bond with a biological target (such as a target protein) via an FCB, and then form a covalent bond with the biological target via a CLM. In some embodiments, the efficacy of the ARCS is better than the efficacy of the FCB alone. In some embodiments, the CLM does not substantially interfere with efficacy of the FCB. In some embodiments, the FCB does not substantially interfere with covalent binding of the CLM. In some embodiments, the toxicity of the ARCS is less than the toxicity of the FCB alone. The term “FCB” as used herein, refers to a therapeutic modality that can be a known drug, a diagnostic compound, a drug candidate and a functional fragment and/or combination of any of the forgoing. The FCB encompasses free acid and free base forms; optical and tautomeric isomers; isotopes including radioisotopes and pharmaceutically acceptable salts of the drug, prodrug or fragment thereof. The FCBs may be small molecules, proteins, peptides, lipids, carbohydrates, sugars, nucleic acids, or combination thereof. In some embodiments, the FCBs are nucleic acids including, but is not limited to DNA or RNA. The FCB may be a therapeutic agent such as, but not limited to, anticancer agents, anti-neurodegenerative agents, autoimmune drugs and anti-aging agents. The FCB may bind to a biological target non-covalently. In some embodiments, the FCB may be a functional fragment of a drug. The term “functional fragment” as used herein, refers to a part of a drug or derivative or analog thereof that is capable of inducing a desired effect of the drug. In some embodiments, the FCB may comprise an alkyne functional group. In some embodiments, the FCB may not comprise an alkyne functional group.
[0067] As used herein, the term “peptide”, “polypeptide”, “protein” refers to a polymer composed of amino acid monomers linked by an amide bond. Amino acids may be D- or L- optical isomer. Peptides may be formed by condensation or coupling reaction with the amino group of one a- carbon carboxyl group and another amino acid. Peptides may be non-linear branched peptides or cyclic peptides. Furthermore, the peptide may be optionally modified or protected with divergent functional group or a protecting group including amino and / or carboxy termini.
[0068] Amino acid residues of the peptide are abbreviated as follows. Phenylalanine is Phe or F, leucine is Leu or L, isoleucine is He or I, methionine is Met or M, valine is Vai or V, serine is Ser or S, proline is Pro or P, threonine is Thr or T, alanine is Ala or a, tyrosine is Tyr or Y, histidine is His or H, glutamine is Gin or Q, asparagine Asn or is N, lysine is Lys or K, aspartic acid is Asp or D, glutamic acid is Glu or E, cysteine is Cys or C, tryptophan is Trp or W, arginine is Arg or R , and glycine is Gly or G.
[0069] The term “CLM” as used herein, refers to any covalent binding modality that is capable of forming a covalent bond with the biological target. The CLM may be linked to an FCB by a bond or by a linker. The CLM may comprise one or more chemical moieties which can form a covalent bond with the biological target. The chemical moieties may be an electrophilic or nucleophilic group.
[0070] The CLM may be a small molecule having a molecular weight of less than about 1,000 Da, less than about 900 Da, less than about 800 Da, less than about 700 Da, less than about 600 Da or less than about 500 Da. In some cases, the CLM may have a molecular weight of between about 5 Da and about 1,000 Da, between about 10 Da and about 900 Da, in some embodiments between about 20 Da and about 700 Da, in some embodiments bout 20 Da and about 500 Da, between about 50 Da and about 400 Da, in some embodiments between about 100 Da and about 300 Da, and in some embodiments between about 150 Da and about 300 Da. The molecular weight of the CLM may be calculated as the sum of the atomic weight of each atom in the formula of the CLM multiplied by the number of each atom. It may also be measured by mass spectrometry, NMR, chromatography, light scattering, viscosity, and/or any other methods known in the art. It is known in the art that the unit of molecular weight may be g/mol, Dalton (Da), or atomic mass unit (amu), wherein 1 g/mol = 1 Da = 1 amu.
[0071] The term “biological target”, as used herein, refers to any target to which an FCB binds non- covalently to product a therapeutic effect. A CLM binds to the biological target covalently. In some embodiments, the biological target is a protein. Non-limiting examples of biological targets include kinase such as, but not limited to phosphoinositide 3 -kinases (PI3Ks) and pseudokinase.
[0072] The term “alkyl” refers to the radical of saturated aliphatic groups, including straightchain alkyl groups, branched-chain alkyl groups, cycloalkyl (alicyclic) groups, alkyl- substituted cycloalkyl groups, and cycloalkyl-substituted alkyl groups.
[0073] In some embodiments, a straight chain or branched chain alkyl has 30 or fewer carbon atoms in its backbone (e.g., C1-C30 for straight chains, C3-C30 for branched chains), 20 or fewer, 12 or fewer, or 7 or fewer. Likewise, in some embodiments cycloalkyls have from 3-10 carbon atoms in their ring structure, e.g. have 5, 6 or 7 carbons in the ring structure. The term “alkyl” (or “lower alkyl”) as used throughout the specification, examples, and claims is intended to include both “unsubstituted alkyls” and “substituted alkyls”, the latter of which refers to alkyl moieties having one or more substituents replacing a hydrogen on one or more carbons of the hydrocarbon backbone. Such substituents include, but are not limited to, halogen, hydroxyl, carbonyl (such as a carboxyl, alkoxycarbonyl, formyl, or an acyl), thiocarbonyl (such as a thioester, a thioacetate, or a thioformate), alkoxyl, phosphoryl, phosphate, phosphonate, a phosphinate, amino, amido, amidine, imine, cyano, nitro, azido, sulfhydryl, alkylthio, sulfate, sulfonate, sulfamoyl, sulfonamide, sulfonyl, heterocyclyl, aralkyl, or an aromatic or heteroaromatic moiety.
[0074] Unless the number of carbons is otherwise specified, “lower alkyl” as used herein means an alkyl group, as defined above, but having from one to ten carbons, or from one to six carbon atoms in its backbone structure. Likewise, “lower alkenyl” and “lower alkynyl” have similar chain lengths. Throughout the application, preferred alkyl groups are lower alkyls. In some embodiments, a substituent designated herein as alkyl is a lower alkyl.
[0075] It will be understood by those skilled in the art that the moieties substituted on the hydrocarbon chain can themselves be substituted, if appropriate. For instance, the substituents of a substituted alkyl may include halogen, hydroxy, nitro, thiols, amino, azido, imino, amido, phosphoryl (including phosphonate and phosphinate), sulfonyl (including sulfate, sulfonamide, sulfamoyl and sulfonate), and silyl groups, as well as ethers, alkylthios, carbonyls (including
ketones, aldehydes, carboxylates, and esters), -CF3, -CN and the like. Cycloalkyls can be substituted in the same manner.
[0076] The term “heteroalkyl”, as used herein, refers to straight or branched chain, or cyclic carbon-containing radicals, or combinations thereof, containing at least one heteroatom. Suitable heteroatoms include, but are not limited to, O, N, Si, P, Se, B, and S, wherein the phosphorous and sulfur atoms are optionally oxidized, and the nitrogen heteroatom is optionally quaternized. Heteroalkyls can be substituted as defined above for alkyl groups.
[0077] The term “alkylthio” refers to an alkyl group, as defined above, having a sulfur radical attached thereto. In some embodiments, the “alkylthio” moiety is represented by one of -S-alkyl, -S-alkenyl, and -S-alkynyl. Representative alkylthio groups include methylthio, and ethylthio. The term “alkylthio” also encompasses cycloalkyl groups, alkene and cycloalkene groups, and alkyne groups. “Arylthio” refers to aryl or heteroaryl groups. Alkylthio groups can be substituted as defined above for alkyl groups.
[0078] The terms “alkenyl” and “alkynyl”, refer to unsaturated aliphatic groups analogous in length and possible substitution to the alkyls described above, but that contain at least one double or triple bond respectively.
[0079] The terms “alkoxyl” or “alkoxy” as used herein refers to an alkyl group, as defined above, having an oxygen radical attached thereto. Representative alkoxyl groups include methoxy, ethoxy, propyloxy, and tert-butoxy. An “ether” is two hydrocarbons covalently linked by an oxygen. Accordingly, the substituent of an alkyl that renders that alkyl an ether is or resembles an alkoxyl, such as can be represented by one of -O-alkyl, -O-alkenyl, and -O-alkynyl. Aroxy can be represented by -O-aryl or O-heteroaryl, wherein aryl and heteroaryl are as defined below. The alkoxy and aroxy groups can be substituted as described above for alkyl.
[0080] The terms “amine” and “amino” are art-recognized and refer to both unsubstituted
- N\ and substituted amines, e.g., a moiety that can be represented by the general formula: Rs
, wherein R9, Rio, and R’ 10 each independently represent a hydrogen, an alkyl, an
alkenyl, -(CFbjm-Rs or R9 and Rio taken together with the N atom to which they are attached complete a heterocycle having from 4 to 8 atoms in the ring structure; Rs represents an aryl, a cycloalkyl, a cycloalkenyl, a heterocycle or a polycycle; and m is zero or an integer in the range of 1 to 8. In some embodiments, only one of R9 or Rio can be a carbonyl, e.g., R9, Rio and the nitrogen together do not form an imide. In still other embodiments, the term “amine” does not encompass amides, e.g., wherein one of R9 and Rio represents a carbonyl. In additional embodiments, R9 and Rio (and optionally R’ 10) each independently represent a hydrogen, an alkyl or cycloalkyl, an alkenyl or cycloalkenyl, or alkynyl. Thus, the term “alkylamine" as used herein means an amine group, as defined above, having a substituted (as described above for alkyl) or unsubstituted alkyl attached thereto, i.e., at least one of R9 and Rio is an alkyl group.
[0081] The term "amido" is art-recognized as an amino-substituted carbonyl and includes a moiety that can be represented by the general formula:
, wherein R9 and Rio are as defined above.
[0082] “Aryl”, as used herein, refers to Cs-Cio-membered aromatic, heterocyclic, fused aromatic, fused heterocyclic, biaromatic, or bihetereocyclic ring systems. Broadly defined, “aryl”, as used herein, includes 5-, 6-, 7-, 8-, 9-, and 10-membered single-ring aromatic groups that may include from zero to four heteroatoms, for example, benzene, pyrrole, furan, thiophene, imidazole, oxazole, thiazole, triazole, pyrazole, pyridine, pyrazine, pyridazine and pyrimidine, and the like. Those aryl groups having heteroatoms in the ring structure may also be referred to as “aryl heterocycles” or “heteroaromatics”. The aromatic ring can be substituted at one or more ring positions with one or more substituents including, but not limited to, halogen, azide, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, alkoxyl, amino (or quaternized amino), nitro, sulfhydryl, imino, amido, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, sulfonamide, ketone, aldehyde, ester, heterocyclyl, aromatic or heteroaromatic moieties, -CF3, - CN; and combinations thereof.
[0083] The term “aryl” also includes polycyclic ring systems having two or more cyclic rings in which two or more carbons are common to two adjoining rings (i.e., “fused rings”) wherein at least one of the rings is aromatic, e.g., the other cyclic ring or rings can be cycloalkyls,
cycloalkenyls, cycloalkynyls, aryls and/or heterocycles. Examples of heterocyclic rings include, but are not limited to, benzimidazolyl, benzofuranyl, benzothiofuranyl, benzothiophenyl, benzoxazolyl, benzoxazolinyl, benzthiazolyl, benztriazolyl, benztetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolinyl, carbazolyl, 4aH carbazolyl, carbolinyl, chromanyl, chromenyl, cinnolinyl, decahydroquinolinyl, 277,677-1,5,2-dithiazinyl, dihydrofuro[2,3 b]tetrahydrofuran, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, 1/7-indazolyl, indolenyl, indolinyl, indolizinyl, indolyl, 377-indolyl, isatinoyl, isobenzofuranyl, isochromanyl, isoindazolyl, isoindolinyl, isoindolyl, isoquinolinyl, isothiazolyl, isoxazolyl, methylenedioxyphenyl, morpholinyl, naphthyridinyl, octahydroisoquinolinyl, oxadiazolyl, 1,2,3- oxadiazolyl, 1,2,4-oxadiazolyl, 1,2,5-oxadiazolyl, 1,3,4-oxadiazolyl, oxazolidinyl, oxazolyl, oxindolyl, pyrimidinyl, phenanthridinyl, phenanthrolinyl, phenazinyl, phenothiazinyl, phenoxathinyl, phenoxazinyl, phthalazinyl, piperazinyl, piperidinyl, piperidonyl, 4-piperidonyl, piperonyl, pteridinyl, purinyl, pyranyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyridazinyl, pyridooxazole, pyridoimidazole, pyridothiazole, pyridinyl, pyridyl, pyrimidinyl, pyrrolidinyl, pyrrolinyl, 2H-pyrrolyl, pyrrolyl, quinazolinyl, quinolinyl, 477-quinolizinyl, quinoxalinyl, quinuclidinyl, tetrahydrofuranyl, tetrahydroisoquinolinyl, tetrahydroquinolinyl, tetrazolyl, 677-1,2,5-thiadiazinyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, 1,3,4- thiadiazolyl, thianthrenyl, thiazolyl, thienyl, thienothiazolyl, thienooxazolyl, thienoimidazolyl, thiophenyl and xanthenyl. One or more of the rings can be substituted as defined above for “aryl”.
[0084] The term "aralkyl"”, as used herein, refers to an alkyl group substituted with an aryl group (e.g., an aromatic or heteroaromatic group).
[0085] The term “carbocycle”, as used herein, refers to an aromatic or non-aromatic ring in which each atom of the ring is carbon.
[0086] “Heterocycle” or “heterocyclic”, as used herein, refers to a cyclic radical attached via a ring carbon or nitrogen of a monocyclic or bicyclic ring containing 3-10 ring atoms, and preferably from 5-6 ring atoms, consisting of carbon and one to four heteroatoms each selected from the group consisting of non-peroxide oxygen, sulfur, and N(Y) wherein Y is absent or is H, O, (Ci-Cio) alkyl, phenyl or benzyl, and optionally containing 1-3 double bonds and optionally substituted with one or more substituents. Examples of heterocyclic ring include, but are not limited to, benzimidazolyl, benzofuranyl, benzothiofuranyl, benzothiophenyl, benzoxazolyl,
benzoxazolinyl, benzthiazolyl, benztriazolyl, benztetrazolyl, benzisoxazolyl, benzisothiazolyl, benzimidazolinyl, carbazolyl, 4aH-carbazolyl, carbolinyl, chromanyl, chromenyl, cinnolinyl, decahydroquinolinyl, 2/7,6/7- 1 ,5,2-dithiazinyl, dihydrofuro[2,3-/?]tetrahydrofuran, furanyl, furazanyl, imidazolidinyl, imidazolinyl, imidazolyl, l/7-indazolyl, indolenyl, indolinyl, indolizinyl, indolyl, 3H-indolyl, isatinoyl, isobenzofuranyl, isochromanyl, isoindazolyl, isoindolinyl, isoindolyl, isoquinolinyl, isothiazolyl, isoxazolyl, methylenedioxyphenyl, morpholinyl, naphthyridinyl, octahydroisoquinolinyl, oxadiazolyl, 1,2,3-oxadiazolyl, 1,2,4- oxadiazolyl, 1,2, 5 -oxadiazolyl, 1,3,4-oxadiazolyl, oxazolidinyl, oxazolyl, oxepanyl, oxetanyl, oxindolyl, pyrimidinyl, phenanthridinyl, phenanthrolinyl, phenazinyl, phenothiazinyl, phenoxathinyl, phenoxazinyl, phthalazinyl, piperazinyl, piperidinyl, piperidonyl, 4-piperidonyl, piperonyl, pteridinyl, purinyl, pyranyl, pyrazinyl, pyrazolidinyl, pyrazolinyl, pyrazolyl, pyridazinyl, pyridooxazole, pyridoimidazole, pyridothiazole, pyridinyl, pyridyl, pyrimidinyl, pyrrolidinyl, pyrrolinyl, 2H-pyrrolyl, pyrrolyl, quinazolinyl, quinolinyl, 477-quinolizinyl, quinoxalinyl, quinuclidinyl, tetrahydrofuranyl, tetrahydroisoquinolinyl, tetrahydropyranyl, tetrahydroquinolinyl, tetrazolyl, 6/7- 1 ,2,5-thiadiazinyl, 1,2,3-thiadiazolyl, 1,2,4-thiadiazolyl, 1,2,5-thiadiazolyl, 1,3,4-thiadiazolyl, thianthrenyl, thiazolyl, thienyl, thienothiazolyl, thienooxazolyl, thienoimidazolyl, thiophenyl and xanthenyl. Heterocyclic groups can optionally be substituted with one or more substituents at one or more positions as defined above for alkyl and aryl, for example, halogen, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, amino, nitro, sulfhydryl, imino, amido, phosphate, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, ketone, aldehyde, ester, a heterocyclyl, an aromatic or heteroaromatic moiety, -CF3, and -CN.
[0087] The term “carbonyl” is art-recognized and includes such moieties as can be o o represented by the general formula:
, wherein X is a bond or represents an oxygen or a sulfur, and Rn represents a hydrogen, an alkyl, a cycloalkyl, an alkenyl, an cycloalkenyl, or an alkynyl, R’n represents a hydrogen, an alkyl, a cycloalkyl, an alkenyl, an cycloalkenyl, or an alkynyl. Where X is an oxygen and Rn or R’n is not hydrogen, the formula represents an “ester”. Where X is an oxygen and Rn is as defined above, the moiety is referred to herein as a carboxyl group, and particularly when Rn is a hydrogen, the formula represents a “carboxylic acid”. Where X is an oxygen and R’n is hydrogen, the formula represents
a "formate". In general, where the oxygen atom of the above formula is replaced by sulfur, the formula represents a “thiocarbonyl” group. Where X is a sulfur and Rn or R’n is not hydrogen, the formula represents a "thioester”." Where X is a sulfur and Rn is hydrogen, the formula represents a “thiocarboxylic acid.” Where X is a sulfur and R’ 11 is hydrogen, the formula represents a "thioformate." On the other hand, where X is a bond, and Rn is not hydrogen, the above formula represents a "ketone" group. Where X is a bond, and Rn is hydrogen, the above formula represents an "aldehyde" group.
[0088] The term “monoester” as used herein refers to an analog of a dicarboxylic acid wherein one of the carboxylic acids is functionalized as an ester and the other carboxylic acid is a free carboxylic acid or salt of a carboxylic acid. Examples of monoesters include, but are not limited to, to monoesters of succinic acid, glutaric acid, adipic acid, suberic acid, sebacic acid, azelaic acid, oxalic and maleic acid.
[0089] The term “heteroatom” as used herein means an atom of any element other than carbon or hydrogen. Examples of heteroatoms are boron, nitrogen, oxygen, phosphorus, sulfur and selenium. Other heteroatoms include silicon and arsenic.
[0090] As used herein, the term “nitro” means -NO2; the term “halogen” designates -F, -Cl, -Br or -I; the term “sulfhydryl” means -SH; the term “hydroxyl” means -OH; and the term “sulfonyl” means -SO2-.
[0091] The term “substituted” as used herein, refers to all permissible substituents of the compounds described herein. In the broadest sense, the permissible substituents include acyclic and cyclic, branched and unbranched, carbocyclic and heterocyclic, aromatic and nonaromatic substituents of organic compounds. Illustrative substituents include, but are not limited to, halogens, hydroxyl groups, or any other organic groupings containing any number of carbon atoms, preferably 1-14 carbon atoms, and optionally include one or more heteroatoms such as oxygen, sulfur, or nitrogen grouping in linear, branched, or cyclic structural formats. Representative substituents include alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, substituted phenyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, halo, hydroxyl, alkoxy, substituted alkoxy, phenoxy, substituted phenoxy, aroxy, substituted aroxy, alkylthio, substituted alkylthio, phenylthio, substituted phenylthio, arylthio, substituted arylthio, cyano, isocyano, substituted isocyano, carbonyl, substituted carbonyl,
carboxyl, substituted carboxyl, amino, substituted amino, amido, substituted amido, sulfonyl, substituted sulfonyl, sulfonic acid, phosphoryl, substituted phosphoryl, phosphonyl, substituted phosphonyl, polyaryl, substituted polyaryl, C3-C20 cyclic, substituted C3-C20 cyclic, heterocyclic, substituted heterocyclic, amino acid, peptide, and polypeptide groups.
[0092] Heteroatoms such as nitrogen may have hydrogen substituents and/or any permissible substituents of organic compounds described herein which satisfy the valences of the heteroatoms. It is understood that “substitution” or “substituted” includes the implicit proviso that such substitution is in accordance with permitted valence of the substituted atom and the substituent, and that the substitution results in a stable compound, i.e., a compound that does not spontaneously undergo transformation such as by rearrangement, cyclization, or elimination.
[0093] In a broad aspect, the permissible substituents include acyclic and cyclic, branched and unbranched, carbocyclic and heterocyclic, aromatic and nonaromatic substituents of organic compounds. Illustrative substituents include, for example, those described herein. The permissible substituents can be one or more and the same or different for appropriate organic compounds. The heteroatoms such as nitrogen may have hydrogen substituents and/or any permissible substituents of organic compounds described herein which satisfy the valencies of the heteroatoms.
[0094] In various embodiments, the substituent is selected from alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cyano, cycloalkyl, ester, ether, formyl, halogen, haloalkyl, heteroaryl, heterocyclyl, hydroxyl, ketone, nitro, phosphate, sulfide, sulfinyl, sulfonyl, sulfonic acid, sulfonamide, and thioketone, each of which optionally is substituted with one or more suitable substituents. In some embodiments, the substituent is selected from alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cycloalkyl, ester, ether, formyl, haloalkyl, heteroaryl, heterocyclyl, ketone, phosphate, sulfide, sulfinyl, sulfonyl, sulfonic acid, sulfonamide, and thioketone, wherein each of the alkoxy, aryloxy, alkyl, alkenyl, alkynyl, amide, amino, aryl, arylalkyl, carbamate, carboxy, cycloalkyl, ester, ether, formyl, haloalkyl, heteroaryl, heterocyclyl, ketone, phosphate, sulfide, sulfinyl, sulfonyl, sulfonic acid, sulfonamide, and thioketone can be further substituted with one or more suitable substituents.
[0095] Examples of substituents include, but are not limited to, halogen, azide, alkyl, aralkyl, alkenyl, alkynyl, cycloalkyl, hydroxyl, alkoxyl, amino, nitro, sulfhydryl, imino, amido, phosphonate, phosphinate, carbonyl, carboxyl, silyl, ether, alkylthio, sulfonyl, sulfonamide,
ketone, aldehyde, thioketone, ester, heterocyclyl, -CN, aryl, aryloxy, perhaloalkoxy, aralkoxy, heteroaryl, heteroaryloxy, heteroarylalkyl, heteroaralkoxy, azido, alkylthio, oxo, acylalkyl, carboxy esters, carboxamido, acyloxy, aminoalkyl, alkylaminoaryl, alkylaryl, alkylaminoalkyl, alkoxyaryl, arylamino, aralkylamino, alkylsulfonyl, carboxamidoalkylaryl, carboxamidoaryl, hydroxyalkyl, haloalkyl, alkylaminoalkylcarboxy, aminocarboxamidoalkyl, cyano, alkoxyalkyl, perhaloalkyl, arylalkyloxyalkyl, and the like. In some embodiments, the substituent is selected from cyano, halogen, hydroxyl, and nitro.
[0096] The terms “polypeptide,” “peptide” and “protein” generally refer to a polymer of amino acid residues. As used herein, the term also applies to amino acid polymers in which one or more amino acids are chemical analogs or modified derivatives of corresponding naturally occurring amino acids. The term “protein”, as generally used herein, refers to a polymer of amino acids linked to each other by peptide bonds to form a polypeptide for which the chain length is sufficient to produce tertiary and/or quaternary structure. The term “protein” excludes small peptides by definition, the small peptides lacking the requisite higher-order structure necessary to be considered a protein.
[0097] The present disclosure relates to a phosphoinositide 3 -kinase (PI3K) inhibitor, such as Compound 1, or a pharmaceutically acceptable salt thereof, solvate thereof, or salt solvate thereof.
(Compound 1).
[0098] The present invention also includes Compound 1 or a pharmaceutically acceptable salt thereof as the compound in any method of use or treatment disclosed herein.
[0099] The present invention also includes Compound 1 or a pharmaceutically acceptable salt thereof as the compound in any combination therapy or method of use or treatment with, before or after an additional therapeutically active agent.
[0100] CLM
[0101] The ARCS of the present disclosure contains one or more CLM(s). The CLM can be any covalent binding modality that is capable of forming a covalent bond with a biological target. The CLM may comprise one or more chemical moieties, one or more of which are capable of forming a covalent bond with a biological target. In certain embodiments, the CLM may comprise an internal linker or spacer. The internal linker or spacer may combine two parts of the CLM or can be joined to the CLM.
[0102] In some embodiments, the CLM is a small molecule. In some embodiments, the CLM has a molecular weight of less than about 1000 Dalton (e.g., less than about 900, 800, 750, 700, 650, 600, 550, 500, 450, 400, 350, 300, 250, 200, 150, 100, etc.).
[0103] In certain embodiments, the CLM of the ARCS comprises a predetermined molar weight percentage from about 1% to about 10%, or about 10% to about 20%, or about 20% to about 30%, or about 30% to about 40%, or about 40% to about 50%, or about 50% to about 60%, or about 60% to about 70%, or about 70% to about 80%, or about 80% to about 90%, or about 90% to about 99% such that the sum of the molar weight percentages of the components of the ARCS is 100%. The amount of CLM(s) of the ARCS may also be expressed in terms of proportion to the FCB(s). For example, the present teachings provide a ratio of FCB to CLM of about 10:1, 9: 1, 8: 1, 7:1, 6: 1, 5:1, 4: 1, 3:1, 2: 1, 1: 1, 1:2, 1:3, 1 :4; 1 :5, 1:6, 1:7, 1:8, 1:9, or 1: 10.
[0104] In some embodiments, the CLM comprises at least one substituted or unsubstituted alkyne. In some embodiments, the CLM comprises at least one substituted or unsubstituted acrylamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted vinyl sulfonamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted vinyl sulfone. In some embodiments, the CLM comprises at least one substituted or 1
unsubstituted fumaramide. In some embodiments, the CLM comprises at least one substituted or unsubstituted acrylate. In some embodiments, the CLM comprises at least one substituted or unsubstituted isothiocyanate. In some embodiments, the CLM comprises at least one substituted or unsubstituted sulfonyl fluoride. In some embodiments, the CLM comprises at least one substituted or unsubstituted fluorosulfate. In some embodiments, the CLM comprises at least one substituted or unsubstituted formyl phenyl boronic acid. In some embodiments, the CLM comprises at least one substituted or unsubstituted boronic acid. In some embodiments, the CLM comprises at least one activated ester. In some embodiments, the CLM comprises at least one substituted or unsubstituted thioester. In some embodiments, the CLM comprises at least one sulfonyl group. In some embodiments, the CLM comprises at least one nitro group. In some embodiments, the CLM comprises at least one substituted or unsubstituted epoxide. In some embodiments, the CLM comprises at least one substituted or unsubstituted formyl phenyl boronic acid. In some embodiments, the CLM comprises at least one substituted or unsubstituted aryl halide. In some embodiments, the CLM comprises at least one substituted or unsubstituted aldehyde. In some embodiments, the CLM comprises at least one substituted or unsubstituted triazine. In some embodiments, the CLM comprises at least one substituted or unsubstituted cyanoacrylamide. In some embodiments, the CLM comprises at least one substituted or unsubstituted chloroacetamide.
[0105] Exemplary CLMs include, but not limited to
, wherein A,
B, C and D at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, -C(O)NH2, - C(O)CH3, NHC(0)-CI-6 alkyl, N(CI-3 alkyl)C(O)-Ci-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted C1-6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for A, B, C, and D are 1-3 substituents which are independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, - CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Ci-3 alkyl, and optionally substituted C3- 6 cycloalkyl.
[0106] Al, A2, A3, A4, A5, and A6 at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for Al, A2, A3, A4, A5, and A6 are 1-3 substituents which are indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl -3 alkyl, and optionally substituted C3-6 cycloalkyl, and wherein the Cl -3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents, which are independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, - C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3, or a fragment, derivative or analog thereof.
[0108] Linkers
[0109] The ARCS of the present disclosure contains one or more optional linkers connecting the FCB(s) and CLM(s). The linker, L, can be attached to anywhere on FCB and CLM, as long as the efficacy of FCB and the binding of CLM are not significantly affected. In some embodiments, CLM comprises an optional internal linker.
[0110] In some embodiments, the linker (including the internal linker of CLM) is a small molecule. In some embodiments, the linker (including the internal linker of CLM) is selected, but not limited to substituted and unsubstituted C1-C30 alkyl, substituted and unsubstituted C2-C30 alkenyl, substituted and unsubstituted C2-C30 alkynyl, substituted and unsubstituted C3-C30 cycloalkyl, substituted and unsubstituted C1-C30 heterocycloalkyl, substituted and unsubstituted C3-C30 cycloalkenyl, substituted and unsubstituted C1-C30 heterocycloalkenyl, substituted and unsubstituted aryl, and substituted and unsubstituted heteroaryl.
[0111] In some embodiments, the linker (including the internal linker of CLM) can be a Cl- C10 straight chain alkyl, Cl -CIO straight chain O-alkyl, Cl -CIO straight chain substituted alkyl, Cl -CIO straight chain substituted O-alkyl, C4-C13 branched chain alkyl, C4-C13 branched chain O-alkyl, C2-C12 straight chain alkenyl, C2-C12 straight chain O-alkenyl, C3-C12 straight chain substituted alkenyl, C3-C12 straight chain substituted O-alkenyl, polyethylene glycol, polylactic acid, polyglycolic acid, poly(lactide-co-glycolide), polycarprolactone, polycyanoacrylate, ketone, aryl, heterocyclic, succinic ester, amino acid, aromatic group, ether, crown ether, urea, thiourea, amide, purine, pyrimidine, bipyridine, indole derivative acting as a cross linker, chelator, aldehyde,
ketone, bisamine, bis alcohol, heterocyclic ring structure, azirine, disulfide, thioether, hydrazone and combinations thereof. For example, the linker can be a C3 straight chain alkyl or a ketone. The alkyl chain of the linker can be substituted with one or more substituents or heteroatoms. In some embodiments the linker contains one or more atoms or groups selected from -O-, -C(=O)-, -NR, -O-C(=O)-NR-, -S-, -S-S-. The linker may be selected from dicarboxylate derivatives of succinic acid, glutaric acid or diglycolic acid.
[0112] In some embodiments the alkyl chain of the linker may optionally be interrupted by one or more atoms or groups selected from -O-, -C(=O)-, -NR, -O-C(=O)-NR-, -S-, -S-S-. The linker may be selected from dicarboxylate derivatives of succinic acid, glutaric acid or diglycolic acid.
[0113] In some embodiments, the linker may be non-cleavable. In some embodiments, the linker may be cleavable. In some embodiments, the linker may be cleaved by an enzyme.
wherein DI , D2, D3, D4, D5 and D6 at each occurrence are independently selected from the group consisting of N, C, O, or S, provided that if DI -6 is a N, the corresponding position is trivalent; if Dl-6 is a O or S, the corresponding position is divalent; wherein Bl, B2, B3, B4, B5, and B6 at each occurrence is absent or independently selected from the group consisting of H, halogen, CF3, -OH, -CH3, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, -C(0)NH2, - C(0)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for Bl, B2, B3, and B4 are 1-3 substituents indpendently selected from the group
consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, - CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl -3 alkyl, and optionally substituted C3-6 cycloalkyl, and wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, - CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3, or any fragments or analogs thereof.
>^1^ and H wherein either end can be connected to the CLM. In some embodiments, the linker selected from the group consisting
is connected to the CLM selected
[0116] ARCS
[0117] The ARCS of the present disclosure represents a class of drugs that have many advantages, such as an increased potency and extended duration of action, when compared to the reversible inhibitors. The present disclosure provides therapeutic conjugates that form a covalent bond with a kinase or pseudokinase. In some embodiments, the kinase is PI3 -kinase (PI3K). The therapeutic conjugate may have a structure of (FCB)a-(L)b-(CLM)c, wherein a and c are, independently, integers between 1 and 5, b is an integer between 0 and 5, and wherein the FCB moiety comprises a PI3K inhibitor, or a fragment, analog or derivative thereof.
[0118] The FCB moiety, L (linker) moiety, and CLM moieties are discussed in the sections above. In one non-limiting example, the FCB comprises
[0119] In some embodiments, the FCB is a compound having the structure,
, wherein R1 is selected from the group consisting
[0120] In some embodiments, the FCB is a compound having the structure,
wherein R2 is selected from the group consisting
some embodiments, the linker is selected from the group consisting of
and
wherein either end can be connected to the CLM. In some embodiments, the CLM is
[0121] In some embodiments, the ARCS is selected from the group consisting of broad generic structures Compound 1-1 to Compound 1-5,
or a pharmaceutically acceptable salt thereof, wherein R1 at each occurrence is independently selected from the group consisting of
, wherein R1 can be attached to X, L or the functional fragment of the drug in either of the two ends. For example, i
can be attached to L either from the end adjacent to Re and Rg and to the functional fragment of the drug from the end adjacent to Rf and Rh; or R1 can be attached to L either from the end adjacent to Rf and Rh and to the functional fragment of the drug from the end adjacent to Re and Rg in Compound 1-1.
[0122] In some embodiments, R1 at each occurrence is independently selected from the group consisting of unsubstituted or substituted -(alk)a-S-(alk)b-, -(alk)a-O-(alk)b-, -(alk)a-NRA- (alk)b-, -(alk)a-C(O)-(alk)b-, -(alk)a-C(S)-(alk)b-, -(alk)a-S(O)-(alk)b-, -(alk)a-S(O)2-(alk)b-, - (alk)a-OC(O)-(alk)b-, -(alk)a-C(O)O-(alk)b-, -(alk)a-OC(S)-(alk)b-, -(alk)a-C(S)O-(alk)b-, - (alk)a-C(O)NRA-(alk)b-, -(alk)a-C(S)NRA-(alk)b-, -(alk)a-S(O)2NRA-(alk)b-, -(alk)a- NRAC(O)-(alk)b-, -(alk)a-NRAC(S)-(alk)b-, -(alk)a-NRAS(O)2-(alk)b-, -(alk)a-NRAC(O)O- (alk)b-, -(alk)a-NRAC(S)O-(alk)b-, -(alk)a-OC(O)NRA-(alk)b-, -(alk)a-OC(S)NRA-(alk)b-, - (alk)a-NRAC(O)NRB-(alk)b-, -(alk)a-NRAC(S)NRB-(alk)b-, and -(alk)a-NRAS(O)2NRB- (alk)b-; a and b are independently selected from the group consisting of 0, 1, 2, 3, and 4; alk is independently selected from the group consisting of Cl-5 alkylene, Cl-5 alkenylene, and Cl-5 alkynylene, each of which is optionally substituted with 1-3 substituents independently selected from the group consisting of H, halogen, - OH, NH2, CF3, Cl-5 alkyl, - CH2(NH2), -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, -O-Cl-5 alkyl, -S-Cl-5 alkyl, -NH-C1-5 alkyl, and -N(Cl-5 alkyl)2, wherein the Cl-5 alkyl groups are independently optionally substituted with 1-3 groups selected from the group consisting of halogen, -OH, -NH2, Cl -4 alkyl, CF3, - CH2(NH2), -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl;
RA and RB, at each occurrence, are independently selected from the group consisting of hydrogen, Cl-3 alkyl, C3-6 cycloalkyl, 5-10 membered heterocycle, aryl, and 5-10 membered heteroaryl, wherein the alkyl, cycloalkyl, heterocycle, aryl, and heteroaryl are each independently optionally substituted with 1-3 substituents selected from the group consisting of halogen, Cl-3 alkyl, OH, NH2, NH-C1-3 alkyl, N(Cl-3 alky 1)2, CF3, Cl -6 alkyl, -CH2(NH2), - CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl;
R3 at each occurrence is independently selected from the group consisting of:
Ra, Rb, Rc, Rd, Re, Rf, Rg, and Rh at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, - CH2(NH2), -C(O)OH, -S(O)2NH2, -C(0)NH2, -C(O)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2- 6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5- 10 membered heteroaryl; wherein the optional substituents for Ra, Rb, Rc, Rd, Re, Rf, Rg, and Rh are 1-3 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, - CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl -3 alkyl, and optionally substituted C3-6 cycloalkyl, and wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0123] In some embodiments, R3 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for R3 are 1-3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, - C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Ci-3 alkyl, and optionally substituted C3-6 cycloalkyl, and wherein the C1-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, - C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0125] In some embodiments, R4 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl,
methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for R4 are 1-3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, - C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl -3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0126] R5 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, - C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for R5 are 1-3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, - C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl-3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0127] R6 at each occurrence is independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, -S(O)2NH2, - C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl,
optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for R6 are 1-3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, - C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl -3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0128] L at each occurrence is independently selected from the group consisting of:
DI, D2, D3, D4, D5, and D6 are at each occurrence are independently selected from the group consisting of N, C, O, or S, provided that if DI -6 is a N, the corresponding position is trivalent; if Dl-6 is a O or S, the corresponding position is divalent. The linker can be attached to the CLM or the functional fragment of the drug on either of the two ends. For example, in
, L can be attached to CLM either from the end adjacent to nitrogen or from the other end.
[0129] Bl , B2, B3, and B4 are at each occurrence absent or independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for Bl, B2, B3, and B4 are 1-3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, - S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl-3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0130] In some embodiments, L at each occurrence is independently selected from the group consisting of unsubstituted or substituted -(alk)a-S-(alk)b-, -(alk)a-O-(alk)b-, -(alk)a-NRC-(alk)b- , -(alk)a-C(O)-(alk)b-, -(alk)a-C(S)-(alk)b-, -(alk)a-S(O)-(alk)b-, -(alk)a-S(O)2-(alk)b-, -(alk)a- OC(O)-(alk)b-, -(alk)a-C(O)O-(alk)b-, -(alk)a-OC(S)-(alk)b-, -(alk)a-C(S)O-(alk)b-, -(alk)a- C(O)NRC-(alk)b-, -(alk)a-C(S)NRC-(alk)b-, -(alk)a-S(O)2NRC-(alk)b-, -(alk)a-NRCC(O)- (alk)b-, -(alk)a-NRCC(S)-(alk)b-, -(alk)a-NRCS(O)2-(alk)b-, -(alk)a-NRCC(O)O-(alk)b-, -(alk)a- NRCC(S)O-(alk)b-, -(alk)a-OC(O)NRC-(alk)b-, -(alk)a-OC(S)NRC-(alk)b-, -(alk)a- NRCC(O)NRD-(alk)b-, -(alk)a-NRCC(S)NRD-(alk)b-, and -(alk)a-NRCS(O)2NRD-(alk)b-; a and b are independently selected from the group consisting of 0, 1, 2, 3, and 4; alk is independently selected from the group consisting of Cl-5 alkylene, Cl-5 alkenylene, and Cl-5 alkynylene, each of which is optionally substituted with 1-3 substituents independently selected from the group consisting of H, halogen, - OH, NH2, CF3, Cl-5 alkyl, - CH2(NH2), -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, -O-Cl-5 alkyl, -S-Cl-5 alkyl, -NH-C1-5 alkyl, and -N(Cl-5 alkyl)2, wherein the Cl-5 alkyl groups are independently optionally substituted
with 1-3 groups selected from the group consisting of halogen, -OH, -NH2, Cl -4 alkyl, CF3, - CH2(NH2), -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(0)NH2, -C(0)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl.
[0131] RC and RD, at each occurrence, are independently selected from the group consisting of hydrogen, Cl-3 alkyl, C3-6 cycloalkyl, 5-10 membered heterocycle, aryl, and 5-10 membered heteroaryl, wherein the alkyl, cycloalkyl, heterocycle, aryl, and heteroaryl are each independently optionally substituted with 1-3 substituents selected from the group consisting of halogen, Cl-3 alkyl, OH, NH2, NH-C1-3 alkyl, N(Cl-3 alkyl)2, CF3, Cl -6 alkyl, -CH2(NH2), -CN, -NO2, - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, -SH, -SCH3, imidazolyl, pyrazolyl, methylimidazolyl, and methylpyrazolyl.
[0132] X at each occurrence is independently selected from the group consisting of:
wherein A, B, C, and D at each occurrence are independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), -C(O)OH, - S(O)2NH2, -C(0)NH2, -C(O)CH3, NHC(0)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, 0C(0)NH2, 0C(0)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5- 10 membered heteroaryl, wherein the optional substituents for A, B, C, and D are 1 -3 substituents indpendently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, - S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl-3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0134] Al, A2, A3, A4, A5, and A6 at each occurrence may be independently selected from the group consisting of H, halogen, CF3, -OH, -NH2, -SH, -SCH3, -CN, -NO2, -CH2(NH2), - C(O)OH, -S(O)2NH2, -C(O)NH2, -C(O)CH3, NHC(O)-Cl-6 alkyl, N(Cl-3 alkyl)C(O)-Cl-6 alkyl, OC(O)NH2, OC(O)NH(CH3), OC(O)N(CH3)2, imidazolyl, pyrazolyl, methylimidazolyl, methylpyrazolyl, optionally substituted Cl -6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, optionally substituted C3-6 cycloalkyl, optionally substituted 5-10 membered heterocycle, optionally substituted aryl, and optionally substituted 5-10 membered heteroaryl, wherein the optional substituents for Al, A2, A3, A4, A5, and A6 are 1-3 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, -C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, -S-CH3, optionally substituted Cl-3 alkyl, and optionally substituted C3-6 cycloalkyl, wherein the Cl-3 alkyl and C3-6 cycloalkyl optional substituents are 1-2 substituents independently selected from the group consisting of halogen, OH, NH2, CH3, CF3, -CN, -NO2, - C(O)OH, -S(O)2NH2, -C(O)NH2, -CH2NH2, -C(O)CH3, SH, and-S-CH3.
[0135] The disclosure contemplates using all combinations of the various substituents. Thus, any combination of the above-mentioned substituents falling within the structural formula Compound 1-1 to Compound 1-5 can be used.
[0136] In some embodiments, the ARCS are selected from the group consisting of narrow
Compound 1-11,
or a pharmaceutically acceptable salt thereof.
[0137] In some embodiments, the ARCS may have a structure
or a pharmaceutically acceptable salt thereof, wherein L is a linker selected from the group consisting of
wherein either end can be connected to the CLM; R1 is
[0138] In some embodiments, the ARCS may have a structure of Formula 1-51 or a pharmaceutically acceptable salt thereof, wherein L, the linker is
R2 is selected
[0139] Additional Therapeutically Active Agents
[0140] In one embodiment, the present invention provides a combination therapy comprising a compound of formula having the formula:
(FCB)a-(L)b-(CLM)c,
or a pharmaceutically acceptable salt thereof, and/or their subgenera, or Compound 1, or salts, solvates, esters and/or prodrugs thereof disclosed herein can be used in a combination with at least one additional therapeutically active agents or therapy (combination therapy).
[0141] The following therapeutics, therapeutically active agents, and therapy may be employed in conjunction with the administration of the compounds described above.
[0142] In a specific embodiment, the additional therapeutically active agent is a RAS inhibitor. In another embodiment, the additional therapeutically active agent is a KRAS inhibitor. In a specific embodiment, the additional therapeutically active agent is a class of compound or agent as described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. etal. The path to the clinic: a comprehensive review on direct KRASG12C inhibitors. J Exp Clin Cancer Res 41, 27 (2022), which is incorporated by reference herein in its entirety. In a specific embodiment, the additional therapeutically active agent is an inhibitor of a KRAS mutant. In a specific embodiment, the KRAS mutants is G12C. In a specific embodiment, the additional therapeutically active agent covalently binds to KRAS-G12C. In another specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911. In a specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib. In another embodiment, the KRAS inhibitor is adagrasib.
[0143] In a specific embodiment, the adagrasib may be administered or provided in a pharmaceutical composition in a dosage amount ranging from about 200 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg. In a specific embodiment, the dose is administered once, twice, or three times a day. In a specific embodiment the specific dose range is administered to a subject twice a day.
[0144] Pharmaceutical Formulations
[0145] In another embodiment, the present invention provides a pharmaceutical composition and/or combination comprising a therapeutically effective amount of a compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof, as disclosed herein, as the active ingredient, combined with a pharmaceutically acceptable excipient or carrier. The excipients are added to the formulation for a variety of purposes.
[0146] In some embodiments, the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a single pharmaceutical composition and/or combination. In a specific embodiment, the single pharmaceutical composition and/or combination is Compound 1 and a KRAS inhibitor. In a specific embodiment, the KRAS inhibitor is adagrasib.
[0147] In some embodiments, the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent are formulated into a separate pharmaceutical composition and/or combination comprising a pharmaceutically acceptable excipient or a carrier.
[0148] In a specific embodiment, Compound 1 , or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a single pharmaceutical composition and/or combination composition. Compounds of the present disclosure (e.g., Compound of formula (A) or Compound 1) or a pharmaceutically acceptable salt or solvate thereof are generally administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose. In embodiments, the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose. In embodiments, a dose of about 0.01 mg/kg/dose, about 0.025 mg/kg/dose, about 0.05 mg/kg/dose, about 0.075 mg/kg/dose, about 0.1 mg/kg/dose, about 0.25 mg/kg/dose, about 0.5 mg/kg/dose, about 0.75 mg/kg/dose, about 1 mg/kg/dose, about 1.25 mg/kg/dose, about 1.5 mg/kg/dose, about 1.75 mg/kg/dose, about 2.0 mg/kg/dose, about 2.25 mg/kg/dose, about 2.50 mg/kg/dose, about 2.75 mg/kg/dose, about 3.0 mg/kg/dose, about 3.25 mg/kg/dose, about 3.5 mg/kg/dose, about 3.75 mg/kg/dose, about 4.0 mg/kg/dose, about 4.25 mg/kg/dose, about 4.5 mg/kg/dose, about 4.75 mg/kg/dose, about 5.0 mg/kg/dose, about 5.5 mg/kg/dose, about 6.0 mg/kg/dose, about 6.5 mg/kg/dose, about 7.0
mg/kg/dose, about 7.5 mg/kg/dose, about 8.0 mg/kg/dose, about 8.5 mg/kg/dose, about 9.0 mg/kg/dose, about 9.5 mg/kg/dose, about 10.0 mg/kg/dose, about 15.0 mg/kg/dose, about 20 mg/kg/dose, about 30 mg/kg/dose, about 40 mg/kg/dose, about 50 mg/kg/dose, about 60 mg/kg/dose, about 70 mg/kg/dose, about 80 mg/kg/dose, about 90 mg/kg/dose, to about 100 mg/kg/dose is administered, including all values and subranges therebetween. In a specific embodiment, the additional therapeutically active agent is a RAS inhibitor. In another embodiment, the additional therapeutically active agent is a KRAS inhibitor. In a specific embodiment, the additional therapeutically active agent is a class of compound or agent as described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. et al. The path to the clinic: a comprehensive review on direct KRASG12C inhibitors. J Exp Clin Cancer Res 41, 27 (2022), which is incorporated by reference herein in its entirety. In a specific embodiment, the additional therapeutically active agent is an inhibitor for a KRAS mutant. In a specific embodiment, the KRAS mutants is G12C. In a specific embodiment, the additional therapeutically active agent covalently binds to KRAS-G12C. In another specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911. In a specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib. In another embodiment, the KRAS inhibitor is adagrasib.
[0149] In a specific embodiment, the adagrasib may be provided in a pharmaceutical composition in a dosage amount ranging from about 100 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
[0150] In a specific embodiment, Compound 1 , or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent may be formulated into a separate pharmaceutical composition and/or combination composition. In a specific embodiment, the separate pharmaceutical compositions may be included in the form of a kit. In a specific embodiment, the additional therapeutically active agent is a RAS inhibitor. In another embodiment, the additional therapeutically active agent is a KRAS inhibitor. In a specific embodiment, the additional therapeutically active agent is a class of compound or agent as
described or summarized in Kwan, A.K., Piazza, G.A., Keeton, A.B. et al. The path to the clinic: a comprehensive review on direct KRASG12C inhibitors. J Exp Clin Cancer Res 41, 27 (2022), which is incorporated by reference herein in its entirety. In a specific embodiment, the additional therapeutically active agent is an inhibitor for a KRAS mutant. In a specific embodiment, the KRAS mutant is G12C. In a specific embodiment, the additional therapeutically active agent covalently binds to KRAS-G12C. In another specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, andBI 1823911. In a specific embodiment, the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib. In another embodiment, the KRAS inhibitor is adagrasib. In a specific embodiment, the adagrasib may be provided in a pharmaceutical composition in a dosage amount ranging from about 100 mg to about 2000 mg, about 300 mg to about 1900 mg, about 400 mg to about 1800 mg, about 500 mg to about 1700 mg, about 600 mg to about 1600 mg, about 700 mg to about 1500 mg, about 800 mg to about 1400 mg, about 900 mg to about 1300 mg, about 1,000 mg to about 1,200 mg, about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg. In a specific embodiment, the kit or separate compositions may include Compound 1 and adagrasib.
[0151] Pharmaceutical acceptable excipients may be added to the composition/formulation. For example, diluents may be added to the formulations of the present invention. Diluents increase the bulk of a solid pharmaceutical composition and/or combination and may make a pharmaceutical dosage form containing the composition and/or combination easier for the patient and care giver to handle. Diluents for solid compositions and/or combinations include, for example, microcrystalline cellulose (e.g., AVICEL), microfine cellulose, lactose, starch, pregelatinized 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(r)), potassium chloride, powdered cellulose, sodium chloride, sorbitol, and talc.
[0152] Solid pharmaceutical compositions and/or combinations that are compacted into a dosage form, such as a tablet, may include excipients whose functions include helping to bind the active ingredient and other excipients together after compression. Binders for solid pharmaceutical compositions and/or combinations include acacia, alginic acid, carbomer (e.g., carbopol),
carboxymethylcellulose sodium, dextrin, ethyl cellulose, gelatin, guar gum, gum tragacanth, hydrogenated vegetable oil, hydroxyethyl cellulose, hydroxypropyl cellulose (e.g., KLUCEL), hydroxypropyl methyl cellulose (e.g., METHOCEL), liquid glucose, magnesium aluminum silicate, maltodextrin, methylcellulose, polymethacrylates, povidone (e.g., KOLLIDON, PLASDONE), pregelatinized starch, sodium alginate, and starch.
[0153] The dissolution rate of a compacted solid pharmaceutical composition and/or combination in the patient’s stomach may be increased by the addition of a disintegrant to the composition and/or combination. Disintegrants include alginic acid, carboxymethylcellulose calcium, carboxymethylcellulose sodium (e.g., AC-DI-SOL and PRIMELLOSE), colloidal silicon dioxide, croscarmellose sodium, crospovidone (e.g., KOLLIDON and POLYPLASDONE), guar gum, magnesium aluminum silicate, methyl cellulose, microcrystalline cellulose, polacrilin potassium, powdered cellulose, pregelatinized starch, sodium alginate, sodium starch glycolate (e.g., EXPLOTAB), potato starch, and starch.
[0154] Glidants can be added to improve the flowability of a non-compacted solid composition and/or combination and to improve the accuracy of dosing. Excipients that may function as glidants include colloidal silicon dioxide, magnesium trisilicate, powdered cellulose, starch, talc, and tribasic calcium phosphate.
[0155] When a dosage form such as a tablet is made by the compaction of a powdered composition and/or combination, the composition and/or combination is subjected to pressure from a punch and dye. Some excipients and active ingredients have a tendency to adhere to the surfaces of the punch and dye, which can cause the product to have pitting and other surface irregularities. A lubricant can be added to the composition and/or combination to reduce adhesion and ease the release of the product from the dye. Lubricants include magnesium stearate, calcium stearate, glyceryl monostearate, glyceryl palmitostearate, hydrogenated castor oil, hydrogenated vegetable oil, mineral oil, polyethylene glycol, sodium benzoate, sodium lauryl sulfate, sodium stearyl fumarate, stearic acid, talc, and zinc stearate.
[0156] Flavoring agents and flavor enhancers make the dosage form more palatable to the patient. Common flavoring agents and flavor enhancers for pharmaceutical products that may be included in the composition and/or combination of the present invention include maltol, vanillin, ethyl vanillin, menthol, citric acid, fumaric acid, ethyl maltol, and tartaric acid.
[0157] Solid and liquid compositions and/or combinations may also be dyed using any pharmaceutically acceptable colorant to improve their appearance and/or facilitate patient identification of the product and unit dosage level.
[0158] In liquid pharmaceutical compositions and/or combinations may be prepared using the excipients where the components are dissolved or suspended in a liquid carrier such as water, vegetable oil, alcohol, polyethylene glycol, propylene glycol, or glycerin.
[0159] Liquid pharmaceutical compositions and/or combinations may contain emulsifying agents to disperse uniformly throughout the composition and/or combination an active ingredient or other excipient that is not soluble in the liquid carrier. Emulsifying agents that may be useful in liquid compositions and/or combinations of the present invention include, for example, gelatin, egg yolk, casein, cholesterol, acacia, tragacanth, chondrus, pectin, methyl cellulose, carbomer, cetostearyl alcohol, and cetyl alcohol.
[0160] Liquid pharmaceutical compositions and/or combinations may also contain a viscosity enhancing agent to improve the mouth-feel of the product and/or coat the lining of the gastrointestinal tract. Such agents include acacia, alginic acid bentonite, carbomer, carboxymethylcellulose calcium or sodium, cetostearyl alcohol, methyl cellulose, ethylcellulose, gelatin guar gum, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, maltodextrin, polyvinyl alcohol, povidone, propylene carbonate, propylene glycol alginate, sodium alginate, sodium starch glycolate, starch tragacanth, and xanthan gum.
[0161] Sweetening agents such as aspartame, lactose, sorbitol, saccharin, sodium saccharin, sucrose, aspartame, fructose, mannitol, and invert sugar may be added to improve the taste.
[0162] Preservatives and chelating agents such as alcohol, sodium benzoate, butylated hydroxyl toluene, butylated hydroxyanisole, and ethylenediamine tetraacetic acid may be added at levels safe for ingestion to improve storage stability.
[0163] A liquid composition and/or combination may also contain a buffer such as guconic acid, lactic acid, citric acid or acetic acid, sodium guconate, sodium lactate, sodium citrate, or sodium acetate. Selection of excipients and the amounts used may be readily determined by the formulation scientist based upon experience and consideration of standard procedures and reference works in the field.
[0164] The solid compositions and/or combination of the present invention include powders, granulates, aggregates and compacted compositions and/or combinations. The dosages include dosages suitable for oral, buccal, rectal, parenteral (including subcutaneous, intramuscular, and intravenous), inhalant and ophthalmic administration. Although the most suitable administration in any given case will depend on the nature and severity of the condition being treated, the most preferred route of the present invention is oral. The dosages may be conveniently presented in unit dosage form and prepared by any of the methods well-known in the pharmaceutical arts.
[0165] Dosage forms include solid dosage forms like tablets, powders, capsules, suppositories, sachets, troches and lozenges, as well as liquid syrups, suspensions, aerosols and elixirs.
[0166] The dosage form of the present invention may be a capsule containing the composition and/or combination, preferably a powdered or granulated solid composition and/or combination of the invention, within either a hard or soft shell. The shell may be made from gelatin and optionally contain a plasticizer such as glycerin and sorbitol, and an opacifying agent or colorant.
[0167] A composition and/or combination for tableting or capsule filling may be prepared by wet granulation. In wet granulation, some or all of the active ingredients and excipients in powder form are blended and then further mixed in the presence of a liquid, typically water that causes the powders to clump into granules. The granulate is screened and/or milled, dried and then screened and/or milled to the desired particle size. The granulate may be tableted, or other excipients may be added prior to tableting, such as a glidant and/or a lubricant.
[0168] A tableting composition and/or combination may be prepared conventionally by dry blending. For example, the blended composition and/or combination of the actives and excipients may be compacted into a slug or a sheet and then comminuted into compacted granules. The compacted granules may subsequently be compressed into a tablet.
[0169] As an alternative to dry granulation, a blended composition and/or combination may be compressed directly into a compacted dosage form using direct compression techniques. Direct compression produces a more uniform tablet without granules. Excipients that are particularly well suited for direct compression tableting include microcrystalline cellulose, spray dried lactose, dicalcium phosphate dihydrate and colloidal silica. The proper use of these and other excipients in
direct compression tableting is known to those in the art with experience and skill in particular formulation challenges of direct compression tableting.
[0170] A capsule filling of the present invention may comprise any of the aforementioned blends and granulates that were described with reference to tableting; however, they are not subjected to a final tableting step.
[0171] The active ingredient and excipients may be formulated into compositions and/or combinations and dosage forms according to methods known in the art.
[0172] Therapeutic Use
[0173] The compounds and the pharmaceutical compositions of the present disclosure find use in any number of methods. For example, in some embodiments the combinations and the pharmaceutical compositions are useful in methods for modulating a phosphoinositide 3 -kinase (PI3K).
[0174] In one embodiment, the modulating PI3K is binding to PI3K. In other embodiments, the modulating PI3K is inhibiting PI3K, including irreversibly inhibiting the activity of PI3K. In embodiments, the inhibiting PI3K is inhibiting PI3Ka, including irreversibly inhibiting the activity of PI3Ka, for example by forming a covalent bond with a cysteine residue on PI3Ka.
[0175] In embodiments, modulating phosphoinositide 3 -kinase (PI3K) activity is for treatment of diseases or conditions wherein irreversible inhibition of PI3K provides therapeutic benefit to a subject having the disease or condition. In embodiments, modulating phosphoinositide 3 -kinase (PI3K) activity is for treatment of cancer with a mutation in the PIK3CA gene.
[0176] In embodiments of the present disclosure, a method of reducing, inhibiting, or ameliorating cell proliferation in a patient in need thereof is provided. In embodiments, the reducing, inhibiting, or ameliorating in the method disclosed herein, is in vivo. In another embodiment, the reducing, inhibiting, or ameliorating is in vitro. In embodiments, the cells in the method disclosed herein, are a cancer cells. In embodiments of the present disclosure, a method for reducing or preventing tumor growth, comprising contacting tumor cells with a compound or pharmaceutical composition as disclosed herein. In one embodiment, reducing or preventing tumor growth includes reduction in tumor volume. In one embodiment, reducing or preventing tumor growth includes complete elimination of tumors. In one embodiment, reducing or preventing tumor growth includes stopping or halting the existing tumor to grow. In one embodiment, reducing or preventing tumor growth includes reduction in the rate of tumor growth.
[0177] In embodiments of the methods described herein, the methods may include treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, wherein the kinase is wildtype or mutant PI3-kinase (PI3K).
[0178] In a specific embodiment, the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer. In an embodiment, the cancer is breast cancer. In another embodiment, the kinase is a mutated PI3Ka or mutated PI3K0. In another embodiment, the kinase is mutated PI3Ka.
[0179] In embodiments, the cancer is characterized by hyperactivation of mutant and wild type PI3Ka. In a specific embodiment, the cancer is a PI3Ka-mutant cancer comprising a mutation in one or more residue selected from the group consisting of E542, E453, and E545. In embodiments, the mutation is a mutation in the residue E542. In embodiments, the mutation is a mutation in the residue E453. In embodiments, the mutation is a mutation in the residue E545. In embodiments, the mutation may be one or more selected from the group consisting of E542K, E453K, E545A or E545K. In embodiments, the mutation may be E542K. In embodiments, the mutation may be E453K. In embodiments, the mutation may be E545A. In embodiments, the mutation may be E545K. In embodiments, the mutation may be E453K,E545A. In embodiments, the PI3Ka-mutant cancer may be selected from the group consisting of colon cancer, gastric cancer, lung cancer and bladder cancer. In embodiments, the mutation is a heterozygous PI3Ka mutation. In embodiments, the mutation is a mutation in residue Hl 047 such as H1047R.
[0180] 42. The method of any one of claims 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from significant hyperglycemia.
[0181] In another embodiment, the subject has a mutation of AKT phosphatase, and/or PTEN. In another embodiment, wherein the subject has the oncogene PIK3Ca.
[0182] In embodiments, the subject has a mutation in PIK3CA and/or PTEN. In embodiments, the subject has a mutation in PIK3CA and PTEN.
[0183] In some embodiments, the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor. In an embodiment, the earlier administered PI3K inhibitor is a non-covalent PI3K inhibitor (e.g., a reversible inhibitor such as an ATP competitive or allosteric inhibitor). In another embodiment, the earlier administered PI3K inhibitor is alpelisib. In another embodiment, the earlier administered PI3K inhibitor is GDC-0077.
[0184] In embodiments, the subject has cancer characterized by a PIK3CA mutation and/or PTEN mutation.
[0185] In embodiments, the cancer is characterized by PTEN low status or PTEN loss.
[0186] In a specific embodiment, the subjects may have cancer or a cancer cell that no longer expresses PTEN.
[0187] PTEN status may be measured by any suitable means as is known in the art. In one example, Western blot analysis can be used.
[0188] In another embodiment, the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT. In a specific embodiment, the phosphorylated AKT is pAKT(S473).
[0189] In embodiments, the inhibition of phosphorylated AKT or specifically pAKT(S473) is greater than about 50% inhibition of pAKT, or greater than about 60% inhibition of pAKT, or greater than about 70% inhibition of pAKT, or greater than about 80% inhibition of pAKT, or greater than about 90% inhibition of pAKT, or greater than about 95% inhibition of pAKT. % Inhibition of pAKT may be measured by any suitable means known in the art. In embodiments, inhibition of pAKT is measured as described herein in Example 8.
[0190] In another embodiment, the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least about 24 hrs, at least about 48 hrs, at least about 3 days, at least about 4 days, at least about 5 days, at least about 6 days, at least about 7 days, or at least 2 about weeks.
[0191] In another embodiment, the subject is human. In another embodiment, the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
[0192] In another specific embodiment, wherein after administration of a compound of Formula A, or compound 1 , the subject does not suffer from or show any serious or related adverse events. In a specific embodiment, the adverse event that is not increased or induced is hyperglycemia. In a specific embodiment, wherein after administration of compound 1, hyperglycemia is not increased or induced in the subject. In a specific embodiment, the dose of compound 1 is sufficient for treatment of cancer, but does not increase or induce a serious or
related adverse event. In a specific embodiment, the adverse event that is not increased or induced is hyperglycemia.
[0193] In a specific embodiment, the compounds of the present disclosure (e.g., Compound of formula (A) or Compound 1) or a pharmaceutically acceptable salt or solvate thereof are administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose, and does not increase or induce a serious or related adverse event. In a specific embodiment, the adverse event that is not increased or induced is hyperglycemia. In specific embodiments, the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose. In embodiments, a dose of about 0.01 mg/kg/dose, about 0.025 mg/kg/dose, about 0.05 mg/kg/dose, about 0.075 mg/kg/dose, about 0.1 mg/kg/dose, about 0.25 mg/kg/dose, about 0.5 mg/kg/dose, about 0.75 mg/kg/dose, about 1 mg/kg/dose, about 1.25 mg/kg/dose, about 1.5 mg/kg/dose, about 1.75 mg/kg/dose, about 2.0 mg/kg/dose, about 2.25 mg/kg/dose, about 2.50 mg/kg/dose, about 2.75 mg/kg/dose, about 3.0 mg/kg/dose, about 3.25 mg/kg/dose, about 3.5 mg/kg/dose, about 3.75 mg/kg/dose, about 4.0 mg/kg/dose, about 4.25 mg/kg/dose, about 4.5 mg/kg/dose, about 4.75 mg/kg/dose, about 5.0 mg/kg/dose, about 5.5 mg/kg/dose, about 6.0 mg/kg/dose, about 6.5 mg/kg/dose, about 7.0 mg/kg/dose, about 7.5 mg/kg/dose, about 8.0 mg/kg/dose, about 8.5 mg/kg/dose, about 9.0 mg/kg/dose, about 9.5 mg/kg/dose, about 10.0 mg/kg/dose, about 15.0 mg/kg/dose, about 20 mg/kg/dose, about 30 mg/kg/dose, about 40 mg/kg/dose, about 50 mg/kg/dose, about 60 mg/kg/dose, about 70 mg/kg/dose, about 80 mg/kg/dose, about 90 mg/kg/dose, to about 100 mg/kg/dose is administered, including all values and subranges therebetween.
[0194] The present invention also provides treatment of disorders related to proliferation of cells. In one embodiment, the method comprises contacting cancer and/or tumor cells with the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof.
[0195] The present invention also provides treatment of disorders related to proliferation of cells. In one embodiment, the method comprises contacting cancer and/or tumor cells with the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, as disclosed herein.
[0196] The present invention also comprises the administration of the pharmaceutical combinations described herein to a subject.
[0197] In other specific embodiments, the methods may include treating or inhibiting cancer in a subject. In a another specific embodiment, the methods may include treating or ameliorating a cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, and optionally administering at least one additional therapeutically active agent before, during, or after the subject has been administered a compound that forms a covalent bond with a kinase or pseudokinase. In a specific embodiment, the kinase is PI3-kinase (PI3K).
[0198] In another embodiment of treating or ameliorating a cell proliferation disorder in a subject, the cell proliferation disorder is cancer. In a specific embodiment, the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart. In another embodiment, the cancer is selected from the group consisting of wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer. In another embodiment of the present invention, the subject is human.
[0199] In embodiments, the present disclosure provides a method of treating cancer in a patient that has been diagnosed with a PI3Ka mutation and/or a PTEN mutation in cancer tissue or cells from the patient, the method comprising administering an effective amount of a compound of the present disclosure (e.g., a compound of Formula A or Compound 1) or a pharmaceutically acceptable salt thereof, or a solvate thereof to the patient.
[0200] In embodiments, the present disclosure provides a method of treating cancer in a patient, the method comprising: a. obtaining a cancer tissue or cell sample from the patient;
b. detecting the presence of a PI3Ka mutation and/or a PTEN mutation in the cancer tissue or cell sample; c. diagnosing the patient with a PI3Ka mutation and/or a PTEN mutation in the cancer tissue or cell sample; and d. administering a therapeutically effective amount of a compound of the present disclosure (e.g., a compound of Formula A or Compound 1) or a pharmaceutically acceptable salt thereof, or a solvate thereof to the patient.
[0201] In embodiments, in embodiments, the cancer tissue or cell sample comprises a PTEN mutation.
[0202] In embodiments, the cancer tissue or cell sample comprises a PI3Ka mutation and a PTEN mutation.
[0203] In embodiments, the cancer tissue or cell sample is obtained from the patient after the patient has been treated with a PI3K inhibitor (e.g., a non-covalent PI3K inhibitor, such as alpelisib).
[0204] In one embodiment, the present invention provides a method of reducing or inhibiting cell proliferation, and/or a method of treating cancer comprising co-administering to a patient in need thereof a therapeutically effective amount of at least one compound of formula (FCB)a-(Ljb- (CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof. In embodiments, at least one therapeutically active agent is administered.
[0205] The present invention also provides methods of treating, preventing, ameliorating and/or alleviating the progression of disorders or conditions characterized by cell proliferation in a subject. More particularly, the methods of the present invention involve administration of an effective amount of compounds described herein, in a subject to treat a disorder or a condition characterized by cell proliferation.
[0206] As used herein, administering can be effected or performed using any of the various methods known to those skilled in the art. The compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, can be administered, for example,
subcutaneously, intravenously, parenterally, intraperitoneally, intradermally, intramuscularly, topically, enteral (e.g., orally), rectally, nasally, buccally, sublingually, vaginally, by inhalation spray, by drug pump or via an implanted reservoir in dosage formulations containing conventional non-toxic, physiologically acceptable carriers or vehicles.
[0207] Further, the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, can be administered to a localized area in need of treatment. This can be achieved by, for example, and not by way of limitation, local infusion during surgery, topical application, transdermal patches, by injection, by catheter, by suppository, or by implant (the implant can optionally be of a porous, non-porous, or gelatinous material), including membranes, such as sialastic membranes or fibers.
[0208] Compounds of the present disclosure (e.g., Compound of formula (A) or Compound 1) or a pharmaceutically acceptable salt or solvate thereof are generally administered in a dose of about 0.01 mg/kg/dose to about 100 mg/kg/dose. In embodiments, the dose can be from about 0.01 mg/kg/dose to about 15 mg/kg/dose, or from about 0.5 mg/kg/dose to about 10 mg/kg/dose. In embodiments, a dose of about 0.01 mg/kg/dose, about 0.025 mg/kg/dose, about 0.05 mg/kg/dose, about 0.075 mg/kg/dose, about 0.1 mg/kg/dose, about 0.25 mg/kg/dose, about 0.5 mg/kg/dose, about 0.75 mg/kg/dose, about 1 mg/kg/dose, about 1.25 mg/kg/dose, about 1.5 mg/kg/dose, about
1.75 mg/kg/dose, about 2.0 mg/kg/dose, about 2.25 mg/kg/dose, about 2.50 mg/kg/dose, about
2.75 mg/kg/dose, about 3.0 mg/kg/dose, about 3.25 mg/kg/dose, about 3.5 mg/kg/dose, about 3.75 mg/kg/dose, about 4.0 mg/kg/dose, about 4.25 mg/kg/dose, about 4.5 mg/kg/dose, about 4.75 mg/kg/dose, about 5.0 mg/kg/dose, about 5.5 mg/kg/dose, about 6.0 mg/kg/dose, about 6.5 mg/kg/dose, about 7.0 mg/kg/dose, about 7.5 mg/kg/dose, about 8.0 mg/kg/dose, about 8.5 mg/kg/dose, about 9.0 mg/kg/dose, about 9.5 mg/kg/dose, about 10.0 mg/kg/dose, about 15.0 mg/kg/dose, about 20 mg/kg/dose, about 30 mg/kg/dose, about 40 mg/kg/dose, about 50 mg/kg/dose, about 60 mg/kg/dose, about 70 mg/kg/dose, about 80 mg/kg/dose, about 90 mg/kg/dose, to about 100 mg/kg/dose is administered, including all values and subranges therebetween.
[0209] A dose may be administered once a day (QID), twice per day (BID), or more frequently, depending on the pharmacokinetic (PK) and pharmacodynamic (PD) properties,
including absorption, distribution, metabolism, and excretion of the particular compound. In addition, toxicity factors may influence the dosage and administration regimen. When administered orally, the pill, capsule, or tablet may be ingested daily or less frequently for a specified period of time. The regimen may be repeated for a number of cycles of therapy.
[0210] In embodiments, depending on the patient's condition and the intended therapeutic effect, the dosing frequency for each of the compound of formula (A) or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof may vary from once per day to six times per day, or more. That is, the dosing frequency may be once per day, twice per day, three times per day, four times per day, five times per day, or six times per day. In some embodiments, dosing frequency may be one to six times per week or one to four times per month. In one embodiment, dosing frequency may be once a week, once every two weeks, once every three weeks, once every four weeks, or once a month.
[0211] The form in which the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, is administered (e.g., syrup, elixir, capsule, tablet, foams, emulsion, gel, etc.) will depend in part on the route by which it is administered. For example, for mucosal (e.g., oral mucosa, rectal, intestinal mucosa, bronchial mucosa) administration, nose drops, aerosols, inhalants, nebulizers, eye drops or suppositories can be used. The compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein can be administered together with other biologically active agents, such as anticancer agents, analgesics, anti-inflammatory agents, anesthetics and other agents which can control one or more symptoms or causes of a disorder or a condition characterized by cell proliferation.
[0212] In one embodiment, the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, can be administered together with a second therapeutically active agent or more.
[0213] Additionally, administration can comprise administering to the subject a plurality of dosages over a suitable period of time. Such administration regimens can be determined according to routine methods, upon a review of the instant disclosure.
[0214] In settings of a gradually progressive disorder or condition characterized by cell proliferation, the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, are generally administered on an ongoing basis. In certain settings administration of a compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein can commence prior to the development of disease symptoms as part of a strategy to delay or prevent the disease. In other settings the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein is administered after the onset of disease symptoms as part of a strategy to slow or reverse the disease process and/or part of a strategy to improve cellular function and reduce symptoms.
[0215] It will be appreciated by one of skill in the art that dosage range will depend on the particular compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, and its potency. The dosage range is understood to be large enough to produce the desired effect in which the neurodegenerative or other disorder and the symptoms associated therewith are ameliorated and/or survival of the cells is achieved, but not be so large as to cause unmanageable adverse side effects. It will be understood, however, that the specific dose level for any particular patient will depend on a variety of factors including the age, body weight, general health, sex and diet of the individual being treated; the time and route of administration; the rate of excretion; other drugs which have previously been administered; and the severity of the particular disease undergoing therapy, as is well understood by those skilled in the art. The dosage can also be adjusted by the individual physician in the event of any complication. No unacceptable toxicological effects are expected when Compound 1 disclosed herein are used in accordance with the present application.
[0216] An effective amount the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent, disclosed herein comprise amounts sufficient to produce a measurable biological response. Actual dosage levels of active ingredients of the present application can be varied so as to administer an amount of the compound of formula (FCB)a-(L)b-(CLM)c, and/or their subgenera, or Compound 1, or a pharmaceutically acceptable salt, ester, solvate and/or prodrug thereof and at least one therapeutically active agent that is effective to achieve the desired therapeutic response for a particular subject and/or application. Preferably, a minimal dose is administered, and the dose is escalated in the absence of doselimiting toxicity to a minimally effective amount. Determination and adjustment of a therapeutically effective dose, as well as evaluation of when and how to make such adjustments, are known to those of ordinary skill in the art.
[0217] Throughout this disclosure, various patents, patent applications and publications are referenced. The disclosures of these patents, patent applications and publications in their entireties are incorporated into this disclosure by reference for all purposes in order to more fully describe the state of the art as known to those skilled therein as of the date of this disclosure. This disclosure will govern in the instance that there is any inconsistency between the patents, patent applications and publications cited and this disclosure. The following examples further illustrate the present invention but should not be construed as in any way limiting its scope.
EMBODIMENTS OF THE PRESENT INVENTION
[0218] Embodiment 1. A pharmaceutical combination comprising a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof, and at least one additional therapeutically active agent.
[0219] Embodiment 2. The pharmaceutical combination of Embodiment 1, wherein the kinase is PI3 -kinase (PI3K).
[0220] Embodiment 3. The pharmaceutical combination of Embodiment 1 , wherein the compound that forms a covalent bond with a kinase or pseudokinase is a compound having the formula:
(FCB)a-(L)b-(CLM)c,
or a pharmaceutically acceptable salt thereof, wherein:
CLM is a covalent linking modality;
L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
[0221] Embodiment 4. The pharmaceutical combination of Embodiment 3, wherein FCB has the structure:
wherein Ri is selected from the group consisting of:
[0222] Embodiment 5. The pharmaceutical combination of Embodiment 4, wherein the compound is Compound 1 :
[0223] Embodiment 6. The pharmaceutical combination of any one of Embodiments 1-5, wherein the additional therapeutically active agent is another PI3K inhibitor, a RAS inhibitor or specifically a KRAS inhibitor.
[0224] Embodiment 7. The pharmaceutical combination of claim 6, wherein the additional therapeutically active agent is a PI3K inhibitor.
[0225] Embodiment 8. The pharmaceutical combination of Embodiment 6, wherein the inhibitor is an inhibitor for a KRAS mutant iG12C.
[0226] Embodiment 9. The pharmaceutical combination of Embodiment 8, wherein the additional therapeutically active agent covalently binds to KRAS-G12C.
[0227] Embodiment 10. The pharmaceutical combination of any one of Embodiments 6-9, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS-3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, and BI 1823911.
[0228] Embodiment 11. The pharmaceutical combination of Embodiments 10, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
[0229] Embodiment 12. The pharmaceutical combination of Embodimentl 1 , wherein the KRAS inhibitor is adagrasib.
[0230] Embodiment 13. The pharmaceutical combination of Embodiment 12, wherein the dosage amount of adagrasib is the range of about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
[0231] Embodiment 14. The pharmaceutical combination of Embodiment 13, wherein the dose is administered once, twice, or three times a day.
[0232] Embodiment 15. The pharmaceutical combination of any one of
Embodiments 1-14, wherein the compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof and the at least one additional therapeutically active agent are in single dosage form or in separate dosage forms.
[0233] Embodiment 16. The pharmaceutical combination of Embodiment 15, wherein the separate dosage forms are administered via same mode of administration or different modes of administration.
[0234] Embodiment 17. The pharmaceutical combination of Embodiment 16, wherein the separate dosage forms are coadministered via simultaneous administration, sequential administration, overlapping administration, interval administration, continuous administration, or a combination thereof.
[0235] Embodiment 18. A method for treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, and administering at least one additional therapeutically active agent before, during, or after the subject has been administered compound that forms a covalent bond with a kinase or pseudokinase.
[0236] Embodiment 19. The method of Embodiment 18, wherein the kinase is PI3- kinase (PI3K).
[0237] Embodiment 20. The method of Embodiment 18, wherein the compound that forms a covalent bond with a kinase or pseudokinase is a compound having the formula:
(FCB)a-(L)b-(CLM)c,
or a pharmaceutically acceptable salt thereof, wherein:
CLM is a covalent linking modality;
L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
[0238] Embodiment 21. The method of Embodiment 20, wherein FCB has the structure:
wherein Ri is selected from the group consisting of:
[0239] Embodiment 22. The method of Embodiment21, wherein the compound is
[0240] Embodiment 23. The method of any one of Embodiments 18-22, wherein the additional therapeutically active agent is a RAS inhibitor or specifically KRAS inhibitor.
[0241] Embodiment 24. The method of Embodiment23, wherein the additional therapeutically active agent is an inhibitor for a KRAS mutant.
[0242] Embodiment 25. The method of Embodiment 24, wherein the KRAS mutant is G12C.
[0243] Embodiment 26. The method of Embodiment 25, wherein the additional therapeutically active agent covalently binds to KRAS-G12C.
[0244] Embodiment 27. The method of any one of Embodiments 23-26, wherein the
KRAS inhibitor is selected from one or more of the group consisting of sotorasib, adagrasib, ARS- 3248, LY3499446, LY3537982, GDC-6036, D-1553, JDQ443, and BI 1823911.
[0245] Embodiment 28. The method of Embodiment 26, wherein the KRAS inhibitor is selected from one or more of the group consisting of sotorasib and adagrasib.
[0246] Embodiment 29. The method of Embodiment 28, wherein the KRAS inhibitor is adagrasib.
[0247] Embodiment 30. The method of Embodiment 29, wherein the dosage amount of adagrasib is the range of about 200 mg to about 2000 mg, or about 400 mg to about 1000 mg, or about 500 mg to about 700 mg.
[0248] Embodiment 31. The method of Embodiment 30, wherein the dose is administered once, twice, or three times a day.
[0249] Embodiment 32. The method any one of Embodiments 18-31, wherein the compound that forms a covalent bond with a kinase or pseudokinase, or a pharmaceutically acceptable salt thereof and the at least one additional therapeutically active agent are in single dosage form or in separate dosage forms.
[0250] Embodiment 33. The pharmaceutical combination of Embodiment 32, wherein the separate dosage forms are administered via same mode of administration or different modes of administration.
[0251] Embodiment 34. The pharmaceutical combination of Embodiment 33, wherein the separate dosage forms are coadministered via simultaneous administration, sequential administration, overlapping administration, interval administration, continuous administration, or a combination thereof.
[0252] Embodiment 35. The method of any one of Embodiments 18-34, wherein the cell proliferation disorder is cancer.
[0253] Embodiment 36. The method of Embodiment 35, wherein the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
[0254] Embodiment 37. The method of Embodiment 36, wherein the cancer is selected from the group consisting of wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
[0255] Embodiment 38. The method of any one of Embodiments 18-37, wherein the subject is human.
[0256] Embodiment 39. The pharmaceutical combination of Embodiment 1, which is a pharmaceutical formulation further comprising a pharmaceutically acceptable excipient or a pharmaceutically acceptable carrier.
[0257] Embodiment 40. The method of any one of embodiments 1-39, wherein the PIK3 mutant is at amino residues E453, E542 and/or E545.
[0258] Embodiment 41. The method of embodiment 40, wherein the mutations are
E542K or E542A; E545K or E545A; and/or E453K or E453A.
[0259] Embodiment 42. The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from significant hyperglycemia.
[0260] Embodiment 43. The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from hyperglycemia.
[0261] Embodiment 44. The method of any one of embodiments 1-41, wherein after administration of a compound of Formula A, or compound 1, hyperglycemia is not increased or induced in the subject.
EXAMPLES
[0262] The disclosure now being generally described, it will be more readily understood by reference to the following examples which are included merely for purposes of illustration of certain aspects and embodiments of the present invention and are not intended to limit the invention.
[0263] The examples below are intended to be exemplary and efforts have been made to ensure accuracy with respect to numbers used (for example, amounts, temperature, etc.), but some experimental errors and deviations should be accounted for within the knowledge of a person skilled in the art. Unless indicated otherwise, temperature is in degrees Centigrade. Reagents were
purchased from commercial suppliers such as Sigma- Aldrich, Alfa Aesar, or TCI, and were used without further purification unless otherwise indicated.
Example 1: Synthesis and Characterization of methyl (5-(6-((4-(acryloylglycyl)piperazin-l- yl)methyl)-4-morpholinopyrrolo[2,l-f][l,2,4]triazin-2-yl)-4-(trifluoromethyl)pyridin-2- yl)carbamate (Compound 1 )
[0265] Diethyl l-amino-lH-pyrrole-2,4-dicarboxylate. A 20 L reaction vessel was loaded with diethyl lH-pyrrole-2,4-di carboxy late (1002 g, 1 equiv, 4.507 mol) and NMP (7.8 L). Then potassium /c/7-butoxide (557.3 g, 1.1 equiv, 4.967 mol) was added, the mixture became pink, and the temperature reached 37 °C. The mixture was stirred until all potassium /c/7-butoxide had dissolved and it was allowed to cool down to 21 °C. Subsequently, O-(4-nitrobenzoyl) hydroxylamine (839.6 g, 1.02 equiv, 4.610 mol) was added portion- wise (exothermic, reached 36 °C). Reaction mixture turns into a dark purple suspension. The reaction mixture was stirred at 45 °C overnight (T slowly drops, mixture turns orange). A sample was taken after 18h and diluted with ACN/water for HPLC analysis. Then, a solution of sodium dithionite (478.6 g, 0.6 equiv, 2.749 mol) in water (2.5 L) was slowly added keeping the temperature below 30 °. The reaction mixture was transferred into a 50 L separation funnel. Toluene (15 L) and water (5 L) were added, and the phases were separated. The aqueous phase was extracted with toluene (3 x 1 L). The combined org phases were washed with water (5 x 1 L), sat. sodium bicarbonate (5 x 1 L) and brine (1 L), dried over sodium sulfate, filtered, and concentrated to give diethyl 1-amino-lH- pyrrole-2,4-dicarboxylate (1077 g, 3.90 mol, 86%) as an orange oil (81% QNMR purity), which solidified upon standing. 'H NMR (299 MHz, DMSO-d6) 5 7.52 (d, J= 2.1 Hz, 1H), 7.03 (d, J = 2.1 Hz, 1H), 6.51 (d, J = 1.8 Hz, 2H), 4.34 - 4.06 (m, 4H), 1.38 - 1.14 (m, 6H). LCMS (ESI): found 227.0 [M+H]+ (calculated 227.1 [M+H]+).
[0266] Lithium l-amino-4-(ethoxycarbonyl)-lH-pyrrole-2-carboxylate. A 10 L reaction vessel was charged with diethyl 1 -amino- lH-pyrrole-2,4-dicarboxy late (1077 g, 1 equiv, 3.90
mol), ethanol (3.8 L) and water (1.9 L). Lithium hydroxide monohydrate (163.9 g, 56 wt%, 0.99 equiv, 3.831 mol) was added and the mixture was stirred at 60 °C. The conversion was monitored by LCMS analysis. The reaction was stopped after 6 hours and cooled down to RT. The mixture was diluted with 2 L toluene and layers were separated. The aqueous phase was washed with toluene (3 x 750 ml) and concentrated at the rotary evaporator at 60 °C. The resulting solids was suspended in TBME (2 L), filtered and washed with TBME (1 L). Lithium l-amino-4- (ethoxycarbonyl)-lH-pyrrole-2-carboxylate (853.1 g, 3.50 mol, 90%) was obtained as a paleyellow solid (83% QNMR purity). 'H NMR (400 MHz, DMSO-D6) 5 7.37 (s, 2H), 7.09 (d, J = 2.2 Hz, 1H), 6.63 (d, J= 2.2 Hz, 1H), 4.12 (q, J = 7.1 Hz, 2H), 1.22 (t, J = 7.1 Hz, 3H). LCMS (ESI): found 199.0 [M-Li+2H]+ (calculated 199.1 [M-Li+2H]+).
[0267] Ethyl l-amino-5-carbamoyl-lH-pyrrole-3-carboxylate (1). To a suspension of lithium l-amino-4-(ethoxycarbonyl)-lH-pyrrole-2-carboxylate (835.8 g, 1 equiv, 3.399 mmol) in a mixture of DMF (3.4 L) /MeTHF (8.5 mL) was added ammonium carbonate (2939 g, 9.00 equiv, 30.59 mol) followed by HOBt (1041 g, 2.0 equiv, 6.797 mol), EDCI HC1 (1303 g, 2.0 equiv, 6.797 mol) and DIPEA (2.96 L, 5 equiv, 16.99 mol). Adding the reagents causes an endotherm. The flask was stirred at room temperature (suspension) for 3 days. The conversion was monitored by LCMS analysis. The solids were filtered off and washed with MeTHF (2 L) and the filtrate was concentrated at 60 °C. The crude material (2 kg) was redissolved in MeTHF (10 L) and washed with a saturated solution of sodium bicarbonate (2 x 2L). Three phases were formed. The top phase (product fraction) was separated, dried over sodium sulfate, filtered and concentrated to dryness. The resulting crude material (908 g) was recrystallized from EtOH (1.8 L). The solids were filtered, washed with EtOH (200 mL) and dried to give the first crop of ethyl l-amino-5-carbamoyl-lH- pyrrole-3 -carboxylate (67 g) as a white solid. The mother liquor was concentrated (794 g) and purified by column chromatography (2 kg silica, gradient: DCM to 5% MeOH). The purified material (505 g) was recrystallized from EtOH (750 mL) and washed with EtOH (100 mL) to give a second crop of ethyl l-amino-5-carbamoyl-lH-pyrrole-3-carboxylate (68 g). The concentrated mother liquor (435 g) was purified by column chromatography once more (6 kg silica, gradient: DCM to 5% MeOH). Recrystallizing the product fractions resulted into an additional crop 61 g of ethyl l-amino-5-carbamoyl-lH-pyrrole-3-carboxylate. All crops merged gave ethyl l-amino-5- carbamoyl-lH-pyrrole-3-carboxylate (1) (195.7 g, 992.4 mmol, 29%) as a white solid. 'H NMR (299 MHz, DMSO-d6) 5 7.96 (s, 1H), 7.36 (d, J= 2.0 Hz, 1H), 7.31 (s, 1H), 7.13 (d, J= 2.1 Hz,
1H), 6.86 (d, J = 1.8 Hz, 2H), 4.18 (q, J = 7.1 Hz, 2H), 1.25 (t, J = 7.1 Hz, 3H). LCMS (ESI): found 198.0 [M+H]+ (calculated 198.1 [M+H]+).
[0269] 6-Amino-4-(trifluoromethyl) nicotinaldehyde (2). A 5L three-necked flask, equipped with a thermometer and under nitrogen, was charged with 5-bromo-4-(trifluoromethyl)- 2-pyridylamine (200.0 g, 1 equiv, 829.8 mmol) and dry THF (2000 mL). The solution was cooled down to -70 °C. A 2.5 M solution of n-butyllithium in hexane (995.8 mL, 3.00 equiv, 2.49 mol) was added dropwise over 90 min, keeping the temperature below -60 °C. The mixture was stirred at -70 °C for 15 min. Then, DMF (160.6 mL, 2.50 equiv, 2.074 mol) was added dropwise over 45 min, keeping the temperature below -60 °C. The mixture was stirred at -70 °C for 30 min. The mixture was warmed-up to -40 °C and carefully quenched with water (74.8 mL, 5 equiv, 4.149 mol). The resulting solution was left to warm up to room temperature and stirred overnight. The mixture was further diluted with water/ethyl acetate (1 L/l L) and transferred to a separating funnel. The organic layer was washed with water (5 x 300 mL). The combined aqueous phases were extracted with ethyl acetate (3 x 300 mL). The combined organic phases were washed with brine (300 mL), dried over sodium sulfate, filtered and concentrated until a small volume of solvent is left and a solid is formed. The mixture was cooled down to rt and diluted with heptane (300 mL). The mixture was filtered, the solid washed with heptane and dried to give 6-amino-4- (trifluoromethyl) nicotinaldehyde (2) (51.5 g, 271 mmol, 33%) as an orange solid. JH NMR (299 MHz, DMSO-d6) 5 9.80 (q, J= 1.7 Hz, 1H), 8.63 (d, J = 2.1 Hz, 1H), 7.73 (s, 2H), 6.84 (d, J = 2.0 Hz, 1H). LCMS (ESI): found 191.0 [M+H]+ (calculated 191.0 [M+H]+).
[0270] Step 1: Synthesis of Ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-oxo-3,4- dihydropyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (3).
[0271] A 3L 3-neck flask was equipped with a condenser, temperature probe and a mechanical stirrer and charged with a solution of ethyl l-amino-5-carbamoyl-lH-pyrrole-3- carboxylate (1) (195.7 g, 1.00 equiv, 962.7 mmol) and 6-amino-4-(trifhroromethyl) nicotinaldehyde (2) (192.7 g, 1.00 equiv, 962.7 mmol) in DMSO (1.9 L). Then cupric chloride dihydrate (213.4 g, 1.30 equiv, 633.4 mmol) was added and the mixture was stirred at 100 °C for 18 hours. The mixture was cooled down to room temperature and poured onto ice water (10 L) causing the precipitation of the product. The suspension was stirred for 30 min before filtering (Buchner filter). The pale brown filter cake was washed with water (3 x 1 L) and TBME (3 x 1 L). The solids were stripped with toluene (3 x 1 L) on a rotary evaporator to remove residues of water. Ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-oxo-3,4-dihydropyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (3) (340.6 g, 760.0 mmol, 79%) was obtained as a solid. JH NMR (299 MHz, DMSO-d6) 5 12.20 (s, 1H), 8.08 (d, J= 1.8 Hz, 1H), 7.23 (d, J= 1.8 Hz, 1H), 7.05 (s, 1H), 6.87 (s, 1H), 4.26 (q, J = 6.9 Hz, 2H), 1.29 (t, J = 7.1, 3H). LCMS (ESI): found 368.0 [M+H]+ (calculated 368.1 [M+H]+); 366.0 [M-H]’ (calculated 366.1 [M-H]’).
[0272] Step 2: Synthesis of Ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4- morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (4).
[0273] A 5L three-necked flask, under nitrogen and equipped with a thermometer, was charged with ethyl 2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-oxo-3,4-dihydropyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (3) (335.6 g, 1 equiv, 749.2 mmol), DMF (2.5 L) and morpholine (400 mL, 6.2 equiv, 2.580 mol). Then PyBOP (606.9 g, 1.55 equiv, 1.166 mol) was added in
several portions keeping the temperature around 15 °C (exothermic). The mixture was stirred at room temperature for 48 hours. The reaction mixture was transferred into a 20 L vessel and water (12.5 L) was slowly added. The suspension was filtered over a Buchner filter, washed with water (3 x 5 L) and TBME (2 x 5 L). The remaining clay like substance was re-dissolved in ethyl acetate at reflux. The hot suspension was filtered over a glass filter with Celite to remove the copper and the filtrate was concentrated. The remaining solid was suspended in ethyl acetate (IL) at 60 °C. The suspension was centrifuged at 3000 rpm. The resulting solution was decanted and concentrated. The residue was treated with warm ethyl acetate three more times. All organic phases were concentrated, and the obtained solids were filtered, washed with TBME, and dried under vacuum at 60 °C. The solids were stripped with toluene (2 x 1 L) to obtain Ethyl 2-(6-amino-4- (trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (4) (206.5 g, 473.2 mmol, 63%) as a pale-yellow solid with a QNMR purity of 91%.
NMR (300 MHz, cdch) 5 8.56 (s, 1H), 8.09 (d, J= 1.6 Hz, 1H), 7.19 (d, J= 1.6 Hz, 1H), 6.81 (s, 1H), 4.88 (s, 2H), 4.37 (q, J= 7.1 Hz, 2H), 4.08 (t, J= 4.8 Hz, 4H), 3.84 (t, J= 4.8 Hz, 4H), 1.39 (t, J= 7.1 Hz, 3H). LCMS (ESI): found 437.2 [M+H]+ (calculated 437.2 [M+H]+).
[0274] Step 3: Synthesis of tert-Butyl 4-(2-(6-amino-4-(trifluoromethyl) pyri din-3 -yl)-4- morpholinopyrrolo [2, 1 -f] [1,2,4] triazine-6-carbonyl) piperazine- 1 -carboxylate (5)
[0275] A 3L three-necked flask under nitrogen was charged with ethyl 2-(6-amino-4- (trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carboxylate (4) (206.5 g, 91 wt%, 1 equiv, 473.2 mmol) and THF (2 L). Then tert-butyl piperazine- 1 -carboxylate (440.7 g, 5.0 equiv, 2.366 mol) and TBD (65.87 g, 1.0 equiv, 473.2 mmol) were added and the solution was stirred at 65 °C for 2 days. The conversion was monitored by LCMS and proton NMR analysis. The reaction mixture was concentrated at 50 °C to remove the majority of THF. The material was dissolved in ethyl acetate (I L) and washed with a IM solution of potassium bisulfate
(2 x 500 mL), water (3 x 500 ml, diluted with brine to enhance separation) and brine (250 mL). The organic phase was dried over sodium sulfate, filtered and concentrated at 50 °C (foaming brown oil). The brown foam was stripped with toluene (1.5 L) to remove traces of ethyl acetate and tert-butyl 4-(2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carbonyl) piperazine- 1 -carboxylate (5) (382.0 g, 464 mmol, 98%) was obtained as a brown foam with a QNMR purity of 70%. 'H NMR (300 MHz, cdch) 5 8.52 (s, 1H), 7.77 (d, J = 1.6 Hz, 1H), 6.98 (d, J = 1.7 Hz, 1H), 6.80 (s, 1H), 4.06 (t, J = 4.9 Hz, 4H), 3.82 (t, J = 4.9 Hz, 4H), 3.77 - 3.66 (m, overlaps with a THF signal, but subtraction of another THF signal gives 4H), 3.48 (t, J = 5.0 Hz, 4H), 1.47 (m, 27H). LCMS (ESI): found 577.2 [M+H]+ (calculated 577.3 [M+H]+).
[0276] Step 4: tert- Butyl 4-((2-(6-amino-4-(trifluoromethyl) pyridin-3-yl)-4- morpholinopyrrolo [2,1-fJ [1,2,4] triazin-6-yl) methyl) piperazine-l-carboxylate (6).
[0277] A 5 L three-necked flask was charged with tert-butyl 4-(2-(6-amino-4- (trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazine-6-carbonyl) piperazine- 1 -carboxylate (5) (271.0 g, 1 equiv, 470.0 mmol) and dry THF (2 L) under nitrogen. The resulting solution was cooled to 0 °C and a solution of TMS-C1 (107. On mL, 1.80 equiv, 846.0 mmol) in dry THF (100 mL) was added (mixture forms a brown suspension). The mixture was cooled further to -20 °C and a 2.4 M LiAlHt in THF (294.0 mL, 1.50 equiv, 705.0 mmol) was added over 80 min. The reaction mixture was stirred at - 20 °C for 60 minutes. A 2M solution of Rochelle salt (I L) was slowly added (very exothermic in the beginning, gas evolution) between - 20 °C and -10 °C (the mixture become very thick, a solid is formed after 100 ml addition. The solid slowly dissolves at -8 °C and becomes easier to stir again). The mixture was allowed to warm-up to RT overnight. The organic layer was collected, the aq. layer was extracted with ethyl acetate. The combined organic layers were washed with brine, dried over sodium sulfate, filtered and concentrated. The residue was purified by column chromatography (6 kg silica; eluent:
DCM/3.5 MNH3 in MeOH) to give tert-butyl 4-((2-(6-amino-4-(trifluoromethyl) pyri din-3 -yl)-4- morpholinopyrrolo[2,l-f] [1,2,4] triazin-6-yl) methyl) piperazine- 1 -carboxylate (6) (172.2 g, 306.1 mmol, 65%) as an off-white fluffy solid.
NMR (299 MHz, cdch) 5 8.53 (s, 1H), 7.58 (d, J= 1.5 Hz, 1H), 6.80 (s, 1H), 6.67 (d, J= 1.6 Hz, 1H), 4.82 (s, 2H), 4.14 - 3.95 (m, 4H), 3.82 (t, J= 4.8 Hz, 4H), 3.58 (s, 2H), 3.44 (t, J= 5.3 Hz, 4H), 2.43 (t, J= 5.1 Hz, 4H), 1.45 (d, J= 1.4 Hz, 9H). LCMS (ESI): found 563.3 [M+H]+ (calculated 563.3 [M+H]+); 561.2 [M-H]’ (calculated 561.3 [M-H]’).
[0278] Step 5: tert-Butyl 4-((2-(6-((methoxycarbonyl)amino)-4-(trifluoromethyl) pyridin-3-yl)-4-morpholinopyrrolo[2,l-f| [1,2,4] triazin-6-yl) methyl) piperazine-1- carboxylate (7).
[0279] A 3 L three-necked flask was charged with tert-butyl 4-((2-(6-amino-4- (trifluoromethyl)pyridin-3-yl)-4-morpholinopyrrolo[2,l-f][l,2,4]triazin-6-yl)methyl)piperazine- 1 -carboxylate (6) (172.2 g, 1 Eq, 306.1 mmol), DCM (1.4 L) and pyridine (74 mL, 3.0 Eq, 918.2 mmol) and the solution was cooled down to 0 °C. Methyl carbonochloridate (26.1 mL, 1.10 Eq, 336.7 mmol) was added to the reaction mixture over 30 min. The mixture was allowed to slowly warm-up to room temperature and stirred overnight. HPLC analysis showed about 90% conversion. Additional methyl carbonochloridate (2.4 mL, 0.10 Eq, 30.6 mmol) was added dropwise over 5 min and the mixture stirred at room temperature. After 4h, HPLC analysis showed full conversion reach full conversion. The reaction mixture was poured into cold water (500 ml) and transferred to a separating funnel. The organic layer was collected, washed with water (3 x 500 ml) and brine, dried over sodium sulfate, filtered and concentrated. The residue was stripped with toluene to give tert-butyl 4-((2-(6-((methoxycarbonyl)amino)-4-(trifluoromethyl) pyridin-3- yl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazin-6-yl) methyl) piperazine- 1 -carboxylate (7) (174.1 g, 280.5 mmol, 92% yield) as a solid. 'H NMR (299 MHz, cdch) 5 8.87 (s, 1H), 8.74 (s, 1H), 8.43 (s, 1H), 7.59 (d, J= 1.5 Hz, 1H), 6.69 (d, J= 1.6 Hz, 1H), 4.05 (t, J= 4.8 Hz, 4H), 3.84 (d, J= 7.1
Hz, 7H), 3.59 (s, 2H), 3.45 (t, J= 5.1 Hz, 4H), 2.44 (t, J= 4.9 Hz, 4H), 1.45 (s, 9H). LCMS (ESI): found 621.3 [M+H]+ (calculated 621.8 [M+H]+); 619.2 [M-H]’ (calculated 619.3 [M-H]’).
[0280] Step 6: Methyl (5-(4-morpholino-6-(piperazin-l-ylmethyl) pyrrolo[2,l-f| [1,2,4] triazin-2-yl)-4-(trifluoromethyl) pyridin-2-yl) carbamate hydrochloride (8).
[0281] A flask was charged, under nitrogen, with tert-butyl 4-((2-(6- ((methoxycarbonyl)amino)-4-(trifluoromethyl)pyridin-3-yl)-4-morphohnopyrrolo[2,l- f] [1,2, 4]triazin-6-yl)methyl)piperazine- 1 -carboxy late (7) (172.1 g, 1 Eq, 277.3 mmol) and CPME (1.0 L) (white suspension) and the mixture was cooled down to 6 °C. A solution of HC1 in CPME (1.5 L , 3.0 molar, 16.2 Eq, 4.50 mol) was added over 30 min (only slightly exothermic) and the mixture stirred at room temperature (yellow precipitate immediately formed) overnight. HPLC analysis showed full conversion. The mixture was filtered, the solid washed with 250 ml CPME and 500 ml TBME. The solid was transferred to a flask, but because it was very sticky (probably hygroscopic) MeOH was used to transfer the solid. The mixture was concentrated at the rotary evaporator and the solid dried to give 198 g of crude product. The material was stripped with toluene (2 x 1 L) before recrystallizing. The crude material (191 g) was recrystallized from MeOH (300 mL) The solid was collected by filtration, washed with cold MeOH (50 mL) and dried to give methyl (5-(4-morpholino-6-(piperazin-l-ylmethyl) pyrrolo[2,l-f] [1,2,4] triazin-2-yl)-4- (trifluoromethyl) pyridin-2-yl) carbamate dihydrochloride (8) (88.8 g, 150 mmol, 54% yield) as a solid. 'H NMR (400 MHz, DMSO-D6) 5 12.13 (s, 1H), 10.92 (s, 1H), 9.59 (s, 2H), 8.73 (s, 1H), 8.31 (s, 1H), 8.07 (s, 1H), 7.38 (s, 1H), 4.41 (s, 2H), 4.02 (t, J= 4.9 Hz, 4H), 3.80 - 3.69 (m, 8H), 3.69 - 3.33 (m, 13H), 3.16 (s, 3H). LCMS (ESI): found 521.2 [M+H]+ (calculated 521.2 [M+H]+).
[0282] Step 7: Methyl (5-(6-((4-(acryloylglycyl) piperazin- 1-yl) methyl)-4- morpholinopyrrolo[2,l-f] [1,2,4] triazin-2-yl)-4-(trifluoromethyl) pyridin-2-yl) carbamate (Compound 1).
H O Acryloyl glycine. A 2L RBF was charged with glycine (200 g, 1.0 Eq, 2.66 A
' Y 0H mol), deionized water (88 mL) and sodium hydroxide (710 mL, 30% Wt, 2.0 o
Acryloyl glycine Eq, 5.32 mol). The mixture was cooled to -5 °C before acryloyl chloride (225 mL, 96% Wt, 1.0 Eq, 2.66 mol) was added while maintaining the temperature around 0 °C. The mixture was stirred at 0 °C for 1 h. After Ih the mixture was acidified with HC1 (310 mL, 12 molar, 1.4 Eq, 3.72 mol) until pH 2. The mixture was saturated with sodium sulphate (±100 g) and diluted with warm MeTHF (300 mL). Phases were separated, and the aqueous phase was extracted with MeTHF (3 x 250 mL). The combined organic layers were washed with brine (150 mL), dried over sodium sulphate and concentrated. At a volume of roughly 500 mL, a solvent swap to ethyl acetate (added 500 mL) was performed. After removing 500 mL ethyl acetate, the solvent switch was repeated twice more. The resulting slurry was agitated at room temperature for 1 h before the solids were collected and rinsed with ethyl acetate (2 x 60 mL), dried under vacuum, and dried further on a rotary evaporator to give Acryloyl glycine (76.00 g, 588.6 mmol, 22 % yield) as white solid. 'HNMR (299 MHz, DMSO-d6) 5 12.58 (s, IH), 8.42 (t, J = 6.0 Hz, IH), 6.30 (ddd, J= 17.1, 10.1, 0.8 Hz, IH), 6.10 (ddd, J= 17.2, 2.3, 0.8 Hz, IH), 5.62 (ddd, J= 10.1, 2.3, 0.8 Hz, IH), 3.84 (dd, J= 6.0, 0.8 Hz, 2H). LCMS (ESI): found 130.1 [M±H]+ (calculated 130.1 [M±H]+).
[0283] To a suspension of methyl (5-(4-morpholino-6-(piperazin-l-ylmethyl) pyrrolo[2,l-f] [1,2,4] triazin-2-yl)-4-(trifhroromethyl) pyridin-2-yl) carbamate dihydrochloride (8) (73.2 g, 1 Eq, 123 mmol) in THF (750 mL) was added DIPEA (100 mL, 4.7 Eq, 416 mmol) and the mixture slowly became a solution and then turbid again. Acryloyl glycine (23.9 g, 1.5 Eq, 185 mmol) was added followed by HATU (93.8 g, 2 Eq, 247 mmol) and the mixture (yellow) was stirred at room temperature. After 20 min the mixture became a black suspension. After 1 h the reaction was finished and diluted with 600 mL of ethyl acetate and quenched with 600 mL of a sat. solution of sodium bicarbonate. The organic phase was separated and washed with a sat. solution of sodium
bicarbonate (600 mL) and brine (2 x 400 mL). The organic phase was dried over sodium sulphate, filtered, and concentrated to give the 147.2 g of crude material as a red sticky oil. The crude material was dissolved in NMP (600 mL) at room temperature and water (1.5 L) was added dropwise. The mixture was stirred for 1 h at room temperature and then filtered off. The residue was extensively washed with water and TBME to remove most of the NMP. The obtained solids were dissolved in DMSO (470 mL) and precipitated by adding water (900 mL). Once again, the residue was extensively washed with water and TBME to remove most of the NMP and DMSO. After drying the material in a circulation oven at 40 °C overnight, methyl (5-(6-((4- (acryloylglycyl) piperazin- 1 -yl) methyl)-4-morpholinopyrrolo[2,l-f] [1,2,4] triazin-2-yl)-4- (trifluoromethyl) pyridin-2-yl) carbamate (Compound 1) (57.7 g, 91.4 mmol, 74% yield) was obtained as a solid. 'H NMR (400 MHz, DMSO-D6) 5 10.89 (s, 1H), 8.72 (s, 1H), 8.30 (s, 1H), 8.20 (t, J = 5.5 Hz, 1H), 7.75 (d, J= 1.5 Hz, 1H), 6.97 (d, J= 1.6 Hz, 1H), 6.37 (dd, J= 17.1, 10.2 Hz, 1H), 6.09 (dd, J= 17.1, 2.2 Hz, 1H), 5.59 (dd, J= 10.2, 2.2 Hz, 1H), 4.02 (d, J= 5.5 Hz, 2H), 3.98 (t, J= 4.9 Hz, 4H), 3.74 (d, J= 4.4 Hz, 7H), 3.57 (s, 2H), 3.52 - 3.37 (m, 4H), 2.39 (dt, J = 17.8, 4.9 Hz, 4H). LCMS (ESI): found 632.4 [M+H]+ (calculated 632.3 [M+H]+); 630.2 [M-H]' (calculated 630.2 [M-H]').
Example 2: Transfection protocol and readout for NanoBRET screening
[0284] Human embryonic kidney 293-H (HEK 293, Gibco 293-H, #11631017) cell lines were maintained in Dulbecco’s Modified Eagle Medium, high glucose, pyruvate (DMEM, Gibco, #11995065) supplemented with 10% fetal bovine serum (FBS, Gibco, #10082147) and l x penicillin-streptomycin (100x solution, Gibco, #15140148) at 37 °C and 5% CO2 in a water- saturated incubator. Cell were trypsinized using 0.05% or 0.25% Trypsin-EDTA solution (Trypsin-EDTA, phenol red, Gibco, #25200056 (0.25%) or #25300054). Opti-MEM media supplemented with 10% fetal bovine serum (Opti-MEM I reduced serum media, no phenol red, Gibco, # 11058021) was used for culturing cells overnight for NanoBRET readout experiments.
[0285] HEK293 cells were cultivated appropriately prior to assay. The medium from cell flask was removed via aspiration, washed 1 x with PBS followed by aspiration, trypsinized, and cells were allowed to dissociate from the flask. Trypsin was neutralized using growth medium and cells were pelleted via centrifugation at 200 x g for 5 minutes. The medium was aspirated and the
cells were resuspended into a single cell suspension using Opti-MEM I supplemented with 10% FBS. The cell density was adjusted to 2 x 105/mL in Opti-MEM I supplemented with 10% FBS in a sterile, conical tube. The cells were transfected and aliquoted directly in a 96-well plate for the NanoBRET assay the next day, and therefore, the cells were cultured overnight in Opti-MEM. The cells were also transfected in bulk and dispensed into a 96-well plate to allow cells to adhere to the plate overnight, thereby enabling washout studies.
[0286] The lipid:DNA complexes were prepared as follows:
A 10 pg/mL solution of DNA was prepared in Opti-MEM without serum. This solution contains the following ratios of carrier DNA and DNA encoding NanoLuc fused to the biological target. Serial dilution steps may be warranted to accurately dilute the NanoLuc fusion DNA. Added, in order, the following reagents were added to a sterile polystyrene test tube: 1 mL of Opti-MEM without phenol red; 9.0 pg/mL of carrier DNA; 1.0 pg/mL of NanoLuc fusion DNA (for some targets, the amount is less). The reagents were mixed thoroughly. 30 pL of FuGENE HD is added into each mL of DNA mixture to form lipid:DNA complex. Care is taken such that FuGENE HD does not touch the plastic side of the tube and pipetted directly into the liquid in the tube. It is mixed by pipetting up and down 5-10 times and incubated at room temperature for 20 minutes to allow complexes to form. 1 part (e.g. ImL) of lipid:DNA complex was mixed with 20 parts (e.g. 20mL) of HEK293 cells in suspension at 2 x 105/mL and mixed gently by pipetting up and down 5 times in a sterile, conical tube. Larger or smaller bulk transfections are scaled accordingly, using this ratio. 100 pL cells + lipid:DNA complex was dispensed into a sterile, tissue-culture treated 96-well plate (20,000 cells/well), and incubated at least 16 hours to allow expression. The cells were then incubated in a 37 °C + 5% CO2 incubator for >16 hrs. The serially diluted Compound 1 was prepared at 100x final concentration in 100% DMSO. The serially diluted Compound 1 stock was prepared in PCR plates. 1 pL per well of 100x serially diluted inhibitor/ compound was added to the cells in 96-well plates that have been transiently transfected overnight and mixed by tapping the plate by hand. The plate was incubated at 37 °C + 5% CO2 incubator overnight. A IX solution of substrate mix (500X stock) and appropriate concentration of tracer was prepared in Opti-Mem. The cells were washed by setting a plate washer to the 96 well plate 5X in PBS pH 7.4 by adding 200 pL PBS each time. The cells were incubated at 37 °C for 2 hours. lOOpL of the IX Substrate-Tracer solution was added and the 96 well plate is gently tapped to mix. The plate on
plate reader is read every hour for the next 6 hours. The binding assay results show that Compound 1 provides greater than 80% inhibition of the PI3K target.
Example 3: Cell Proliferation Assay
[0287] The objective of this study was investigate the effect of Compound 1 on the cell proliferation of 13 cell lines after 3 days treatment, and determine the IC50 of Compound 1 in each cell line. The cell lines tested included as follows: UM-UC-3 (bladder), KYSE-410 (HN/Esophagus), SW1463 (rectum), Calu-1 (Lung), NCI-H358 (Lung), SW837 (Rectum), SW756 (Cervix), NCI-H2122 (Lung), NCI-H1373 (Lung), NCI-H1792 (Lung), NCI-H23 (Lung), MIA PaCa-2 (Pancreas), and HC44.
[0288] Cells were recovered and maintained in appropriate culture media. The cells were harvested respectively during the logarithmic growth period. The cells were then resuspended and counted using a Vi cell counter (The cell viability be measured by trypan blue exclusion assay.). The cells were then diluted and 90 pL cell suspensions were used in 96-well plates according to plate map with final cell density. Two duplicate plates were set up. One is for day 0 reading (TO) and the other was cultured in incubator for reading at the end point. The incubated plates were incubated overnight in humidified incubator at 37° C with 5% CO2.
[0289] At day 0, 10 pL culture medium to each well for TO reading. 10 pL of culture medium was added to each well for TO reading. Then, 50 pl CellTiter-Glo® Reagent was added to each well. The contents were then mixed for 2 minutes on an orbital shaker to facilitate cell lysis. The plates were then allowed to incubate at room temperature for 10 minutes to stabilize luminescent signal. Luminescence was then recorded using an EnVision Multi Label Reader. The test compound Compound 1, and a control cisplatin, where then diluted at various concentrations from a 10 mM stock solution. Compound 1 was diluted and 10 pL of each 10X compound 1 from working solutions for a concentration ranging from 10 pM to about 0.005 pM. Cisplatin was diluted to about 3.33 mM to about 150 nM. The screening plates were then placed back into the incubator for the appropriate treatment time (3 days).
[0290] Lor the endpoint CTG reading, 50 pL of CellTiter-Glo® Reagent were added to each well. The contents were then mixed for 2 minutes on an orbital shaker to facilitate cell lysis. The plate was allowed to incubate at room temperature for 10 minutes to stabilize luminescent signal.
Luminescence was then recorded using an EnVision Multi Label Reader. IC50’s were determined for each cell line. The assay indicates Compound 1 has inhibitive effect across multiple cancer cell lines, including a substantial inhibitory effect against NCI-H358 (see Table A).
[0292] The development of small molecule inhibitors against the oncogene, PIK3CA, has revealed that deep and durable inhibition is critical for potent anti-cancer activity - an area traditionally challenging for reversible competitive and allosteric inhibitors.
Compound 1 inhibits covalently both wild-type and mutant PI3Ka. Compound 1 is selective for PI3Ka over other PI3K isoforms and shows high selectively across the kinome. We confirmed covalent binding to PI3Ka by demonstrating 1) sustained binding up to 6 hours following washout in a NanoBRET assay, and 2) a Kinact / Ki of 5.6 x lO^M^s'1 as determined by TR-FRET time course. Importantly, we also noted that Compound 1 produced sustained inhibition of phosphorylated AKT(S473) up to 48 hours whereas allosteric inhibitors lost >60% inhibition. Further, in a panel of 150 cell lines, Compound 1 inhibited cell proliferation in 50% more cell lines
than the best-in-class PI3Ka inhibitor, Alpelisib. We found no strong association of cell proliferation inhibition with PI3Ka mutation status - indeed, we found a higher frequency of cell proliferation inhibition in cell lines with wild-type PI3Ka for both Compound 1 and Alpelisib. Compound 1 produced reproducible and substantial tumor growth inhibition in multiple different cell-derived and patient-derived xenograft cancer models. In several PDX models, Compound 1 induced tumor regressions greater than Alpelisib and Inavolisib (GDC-0077) despite comparable pharmacokinetic exposures.
[0293] Overall, Compound 1, a covalent, PI3Ka-selective inhibitor is a best-in-class PI3Ka inhibitor demonstrating superior efficacy over both competitive and mutant-specific PI3Ka inhibitors.
Example 4: Inhibition by Compound 1 across different isoforms of PI3K
[0294] The % inhibition and IC50 values of Compound 1 across different isoforms of PI3K were measured.
[0295] FIG. 1 shows inhibition by Compound 1 across different isoforms of PI3K. Compound 1 is approximately an order of magnitude more selective for wild-type and mutant PI3Ka over the other PI3K isoforms.
[0296] FIG. 2 shows a comparison of Compound 1 with best-in-class PI3Ka selective inhibitors. Biochemical assays were performed using ADP-Glo (Promega).
[0297] Compound 1 is a potent wild-type and mutant PI3Ka selective irreversible inhibitor.
Example 5: Kinase Specificity by Kinome Scan
[0298] Binding of Compound 1 (luM) was profiled over 450 kinases with KINOMEScan™ (Eurofins). Binding to a kinase is quantified as the percentage of control with zero representing the highest binding of Compound 1 and higher numbers (100%) representing no binding. Binding data are represented as a TREEspot™ interaction map depicted in FIG. 3.
[0299] Compound 1 shows excellent kinase specificity as revealed by Kinome Scan depicted in FIG. 3. Compound 1 is selective for PI3Ka over other isoforms of PI3K and has a very clean kinome profile.
Example 6: IC50 values of Test Compounds at PI3Ka
[0300] HEK293 cells transfected with a luciferase-PI3Ka construct were treated with either Compound 1, Alpelisib or GDC-0077 at a series of 12 serially diluted concentrations (lOpM - 0.3nM) for 1 hour. Tracer for PI3Ka was added to determine an IC50 for binding of each compound. Cells were then washed three times and IC50 determinations were made every hour for 6 hours following compound washout (only 1, 3 and 5 hours shown for clarity) as shown in
FIG. 4
[0301] As shown in FIG. 4, deep and durable cellular signaling inhibition by Compound 1 was observed (irreversible binding of PI3Ka revealed by washout experiment).
Example 7: Efficacy of Compound 1 in cells with mutations responsible for resistance to Alpelisib
[0302] Cell Plating
[0303] Aspirate media off T150 Flask of cells and add 10ml of PBS
[0304] Aspirate PBS and add 5ml of Trypsin, allow cells to lift off flask in hood
[0305] Resuspend trypsin by adding 5ml of complete media (DMEM plus 10% FBS)
[0306] Cells were transferred to a 50ml conical and spun for 5 minutes at 1000 RPM.
[0307] Supernatant was removed and cell pellet was resuspended in 10ml of complete media
[0308] Cells were counted:
Cell Line Passage Density Total volume Dilution
CAL51 P6 6.23e6 cells/ml 10ml 1.6ml into 100ml
[0309] Cells were diluted so that 100K cells were plated into each well.
[0310] 1ml of cell suspension was plated into each well of 8 x 12 well dishes.
[0311] Plates were incubated overnight at 37°C and 5% CO2.
[0312] Compound Addition
[0313] lul of luM or lOOnM compound was added to each well.
[0314] Plates were swirled slowly to mix and incubated at 37°C and 5% CO2 until they were ready to be harvested.
[0315] Washout plates were dosed for 2 hours then media was aspirated from all wells.
[0316] 1ml of PBS was added to each well and aspirated off.
[0317] A second wash was performed using 1ml of PBS and was immediately aspirated off.
[0318] 1ml of complete media was added back to each well and plates were incubated for the remaining time.
[0319] Sample harvesting
[0320] Media was aspirated off all wells and plates were washed once with 1ml of PBS
[0321] PBS was aspirated off all wells and lOOul of RIP A buffer with phosphatase inhibitor was added to each well
[0322] Plates were incubated on ice for 15minutes then cells were scraped off using a bent pipet tip
[0323] Lysate was removed to a 1.5ml microcentrifuge tube and frozen at -80°C until all samples could be run at once.
[0324]
[0325] Cell Plating
[0326] Aspirate media off T150 Flask of cells and add 10ml of PBS
[0327] Aspirate PBS and add 5ml of Trypsin, allow cells to lift off flask in hood
[0328] Resuspend trypsin by adding 5ml of complete media (MEM plus 10% FBS, plus O.Olmg/ml Insulin, and 20nM Estradiol)
[0329] Cells were transferred to a 50ml conical and spun for 5 minutes at 1000 RPM.
[0330] Supernatant was removed and cell pellet was resuspended in 10ml of complete media
[0331] Cells were counted:
Cell Line Passage Density Total volume Dilution
MCF7 P4 5.07e6 cells/ml 30ml 2ml into 100ml
[0332] Cells were diluted so that 100K cells were plated into each well.
[0333] 1ml of cell suspension was plated into each well of 8 x 12 well dishes.
[0334] Plates were incubated overnight at 37°C and 5% CO2.
[0335] Compound Addition
[0336] lul of luM or 1 OOnM compound was added to each well.
[0337] Plates were swirled slowly to mix and incubated at 37°C and 5% CO2 until they were ready to be harvested.
[0338] Washout plates were dosed for 2 hours then media was aspirated from all wells.
[0339] 1ml of PBS was added to each well and aspirated off.
[0340] A second wash was performed using 1ml of PBS and was immediately aspirated off.
[0341] 1ml of complete media was added back to each well and plates were incubated for the remaining time.
[0342] Sample harvesting
[0343] Media was aspirated off all wells and plates were washed once with 1ml of PBS
[0344] PBS was aspirated off all wells and lOOul of RIP A buffer with phosphatase inhibitor was added to each well.
[0345] Plates were incubated on ice for 15minutes then cells were scraped off using a bent pipet tip.
[0346] Lysate was removed to a 1.5ml microcentrifuge tube and frozen at -80°C until all samples could be run at once.
[0347] Sample Preparation
[0348] Lysates were thawed on ice and spun for 15 minutes at 13K RPM.
[0349] 2ul of each lysate was added to 198ul or IX Bradford reagent in a 96 well black wall plate.
[0350] The plate was read on an envision plate reader at 545nm.
[0351] Protein concentrations were nearly identical across the entire plate so individual dilutions were not performed for each lysate
[0352] 65ul of each sample was moved to a new 1.5ml microcentrifuge tube containing lOul of Nupage 10X reducing agent and 25ul of Nupage 4X sample buffer.
[0353] Samples were heated at 70°C for 10 minutes and then frozen for loading the following day.
[0354] Gel running
[0355] 20ul of each sample (max capable of loading in gel) were loaded into each of 7 15- well 4-12% bis-tris gels.
[0356] Gels were run at 135 volts until the dye front had reached the bottom.
[0357] Gels were transferred using the Invitrogen IBLOT2 onto nitrocellulose.
[0358] Each blot was cut into three pieces to stain for AKT, S6 and Vinculin.
[0359] Blots were blocked for 1 hour in Odyssey blocking buffer.
[0360] Blocking buffer was removed and primary antibodies were added each diluted 1 : 1000 in Odyssey blocking buffer. Primary antibodies used are listed below;
[0361] Phospho- AKT CST# 4060 1:1000
[0362] AKT CST# 2920 1:1000
[0363] Phospho-S6 CST# 4858 1 :1000
[0364] S6 CST# 2317 1:1000
[0365] Vinculin CST# 13901 1: 1000
[0366] Finish staining and image blots
[0367] Blots were washed 5 x 5 minutes in Tris buffered saline with Tween.
[0368] Secondary antibodies were diluted 1 : 10,000 in odyssey blocking buffer (donkey-anti- rabbit IRDYE 800 and donkey-anti-mouse IRDYE 680).
[0369] Following secondary antibody staining blots were washed 5 x 5 minutes in tris buffered saline with tween.
[0370] Blots were wrapped in clingwrap and imaged on a Biorad ChemiDoc imager.
Results
[0371] Mutation of the AKT phosphatase, PTEN, was identified in patients in with acquired resistance to Alpelisib. Indeed, as shown in FIG. 5, although Alpelisib inhibits PI3K pathway in cells in vitro with wild-type PTEN (MCF-7), this effect was abrogated in those cells with mutant PTEN (CAL51). Compound 1 robustly inhibits the PI3K/AKT pathway in cells with mutations responsible for resistance to Alpelisib.
[0372] As is evident from FIG. 5, the band that corresponds to phosphorylated AKT (pAKT) is diminished with Compound 1 treatment at both concentrations (100 nM and 1000 nM). In contrast, the pAKT band from the Alpelisib treatment doesn’t show a decrease in band intensity at either of the concentrations. It is well established that pAKT is downstream of PI3K and, moreover, the PTEN protein is known to have a negative influence on PI3K signaling and its loss is known to result in resistance to alpelisib. The CAL51 cells have lost expression of PTEN and therefore these cells have lost a level of negative control in PI3K signaling.
[0373] Taken together, these data suggest that while Alpelisib fails to inhibit pAKT, likely due to the loss of PTEN, Compound 1 on the other hand maintains the ability to robustly inhibit
pAKT, demonstrating that the loss of efficacy with Alpelisib was not apparent in the same cells treated with Compound 1, suggesting that Compound 1 may have utility for treating patients whose tumors have lost expression of PTEN and who might be resistant to Alpelisib.
Example 8: Inhibition of pAKT in PI3Ka-mutant Breast Cancer Cell Line (T-47D)
[0374] Experimental Description
[0375] T-47D cells (PI3KCA wild-type / PI3KCA H1047R (“mutant”) heterozygous) were plated in 0.5ml media at 0.2 x 106 cells / well in 12- well plates (three plates: one plate each for 8, 24 and 48 hour time points). Following overnight incubation at 37°C, 5% CO2, 0.5ml of media containing a 2x concentration of compound was added to the media on the cells to give a final concentration of compound of lOOnM. The treatment conditions were: DMSO vehicle control, Compound 1 and three different mutant-specific PI3Ka inhibitors (these compounds were synthesized based on structures reported in a patent application). At the appropriate timepoint - a specific 12-well plate - media was flicked off the cells, the cells were washed once with cold PBS and then 200pl lysis buffer (RIPA buffer supplemented with proteinase and phosphatase inhibitors) was added to each well. Lysates were transferred to Eppendorf tubes and were cleared of debris by spinning at 15, 000g for 10 minutes. Supernatant was removed and placed in new Eppendorf tubes and then 20 pl used for protein quantification (BCA assay).
[0376] Normalized amounts of protein for each treatment condition were run on 4-12% gradient gels. Protein was transferred to nitrocellulose membranes (iBlot, dry transfer) which were then blocked for one hour at room temperature with Li-COR blocking buffer. The membranes were then incubated with primary antibody (anti-pAKT_S473) in blocking buffer overnight at 4°C. Membranes were washed three times with PBS and then incubated for an additional hour at room temperature with secondary antibody in blocking buffer. Proteins were detected using a Li-COR Odyssey imaging system and the intensity of the bands was quantified in Image J. Following detection of pAKT_S473, membranes were stripped of antibodies and re-probed with primary antibody for total AKT. Membranes were again imaged with the Li-COR Odyssey and bands for total AKT were quantified using ImageJ.
[0377] PI3Ka mutant-selective compounds were generated from patent information. T-47D cells (PIK3CA_ wt/H1047R) were treated with compounds at lOOnM for the indicated times.
[0378] As shown in FIG. 6, unlike mutant-selective PI3Ka inhibitors, Compound 1, a covalent inhibitor of both wild-type and mutant PI3Ka, maintained inhibition of pAKT(S473) for the duration of the experiment up to 48 hours.
[0379] For mutant-specific inhibitors, the initial inhibition of pAKT(S473) but then loss at later time points may result from the inhibition of mutant PI3Ka but then a failure to inhibit wildtype PI3Ka activity recruited at later time points (a so-called “rebound” effect). Without being bound by theory, the durable inhibition of pAKT observed with Compound 1 is likely the result of both inhibition of mutant PI3Ka and of wild-type PI3Ka. Semi-quantitative analysis of Western blots was performed by average intensity determination (ImageJ); pAKT intensity was normalized to that of total AKT.
[0380] Compound 1 but not allosteric inhibitors induced durable inhibition of pAKT(S473) potentially by overcoming PI3K feedback.
Example 9: Activity of Compound 1 in Various Cancer Cell Lines
[0381] Compound 1 and Alpelisib were incubated with each cancer cell type for 72 hours at ten 3-fold serially diluted concentrations (lOpM - 0.5nM) and then cell number was determined using Cell-TiterGlo™ (Promega). IC50 values were established using a nonlinear, four parameter inhibition curve fit (GraphPad Prism).
[0382] As shown in FIG. 7. Compound 1 potently inhibits proliferation of various cell lines. Of 120 cancer cell lines for which Alpelsib gave an IC50, Compound 1 was almost always more potent. Inhibition of cell proliferation by either Compound 1 or Alpelisib showed no correlation between cells with wild-type or mutant PIK3CA.
Example 10: Anti-tumor activity of Compound 1 in xenograft models
[0383] The efficacy of Compound 1 was determined in xenograft models - subcutaneous human colorectal cancer (SW948) and human lung cancer (NCI-H460) - in female BALB/c nude
mice. The average tumor volume of 10 mice per group with standard error of the mean are shown in FIG. 8 and FIG. 9. Compound 1 produced substantial tumor growth inhibition in subcutaneous human colorectal cancer (SW948) and human lung cancer (NCI-H460) xenograft cancer models.
Example 11: Summary of Compound 1 efficacy in multiple PDX Models
[0384] Compound 1 shows superior and excellent efficacy in a panel of patient-derived xenograft (PDX) models.
[0385] As shown in FIG. 10 A , FIG. 10B, and/or FIG. 10C Compound 1 produced substantial tumor growth inhibition in multiple different xenograft cancer models. In several PDX models, Compound 1 induced tumor regressions greater than Alpelisib and Inavolisib (GDC- 0077).
Example 12: Inhibition of both PI3Ka and P 13 Kfi is required to induce significant hyperglycemia.
[0386] FIG. 11 A. shows a graph of glucose concentration vs time in a PI3Ka knockout hepatocyte. FIG. 11 B shows a graph of glucose concentration vs time in a PI3Ka knockout skeletal muscle.
[0387] Inhibition of both PI3Ka and PI3K0 activities are necessary to induce significant hyperglycemia (Molinaro et al. Cell Metabolism 30, 1400 (2019).
[0388] Selective knockout of PIK3CA in skeletal muscle does not induce systemic glucose intolerance (Ella Li et al. Nature Commun 10, 3412 (2019).
Example 13: Compound 1 demonstrates superior efficacy and does not induce significant hyperglycemia at efficacious doses in multiple animal models and uniquely shows no effects on glucose uptake at effective concentrations compared to other inhibitors
[0389] Compound 1 does not induce hyperglycemia in dogs at exposures for superior efficacy
[0390] In this experiment, blood glucose levels were assessed in both male and female dogs over time. Glucose levels were measured in samples at baseline, following 7 daily Compound 1 administrations at 1.0 mg/kg, following 7 daily Compound 1 administrations at 1.75 mg/kg, and after a 7 day washout period.
[0391] FIG. 12 is a graph showing blood glucose levels in both male and female dogs over time.
[0392] FIG. 15 shows blood glucose levels from GLP toxicology studies sampled at Compound 1 steady-state.
[0393] These studies revealed that Compound 1 does not induce significant hyperglycemia effects in dogs at efficacious doses.
[0394] Compound 1 accumulates on PI3Ka over time to induce significant tumor regressions with no hyperglycemic effects in CDX and PDX models
[0395] As shown in CDX (FIG. 13) and PDX (FIG. 14) models of breast cancer, low doses of Compound 1 can yield superior efficacy with no hyperglycemic effects. Compound 1 was found to accumulate on target over time promoting regressions as late as day 13 at a 0.5mg/kg BID dose.
[0396] Compound 1 uniquely shows no effects on glucose uptake at effective concentrations compared to other inhibitors
[0397] In vitro assessment of glucose uptake was assessed in human adipocytes. Compounds were incubated for 2 hours and the proliferative impact on cancer cells has been overlayed on this data (T47D cells) (FIG. 16).
[0398] These results show that Compound 1 exhibits no effects on glucose uptake at effective concentrations compared to previous reversible PI3Ka inhibitors, which lead to dramatic hyperglycemia due to their potent inhibition of multiple PI3K isoforms at effective concentrations of the molecules in a cellular setting.
Example 14: Mutant-specific non-covalent compounds cannot achieve durable inhibition and are highly susceptible to feedback.
[0399] As shown in FIG. 19, Compound 1 uniquely achieves sustained inhibition of PI3K indicated by phospho-AKT and phospho-PRAS40 levels. PI3K-mutant cancer cells are grown in
the presence of insulin and cells were harvest at 0, 3, 24, and 48 hours after cell treatment. Pathway reactivation is detected by phosphorylation level of downstream effectors, AKT and PRAS40, at each time point indicated.
[0400] Cell viability assays were performed using CellTiter-Glo® (Promega). As shown in FIG. 18 Compound 1 shows superior inhibition of cell viability in multiple PI3Ka-mutant cell lines, as compared to noncovalent inhibitors like Alpelisib and mutant-specific molecules.
[0401] Mutant- specific inhibitors are susceptible to pathway reactivation due to hyperactivation of mutant and wild type PI3Ka. Cells were harvested after 48 hours of drug treatment. As shown in FIG. 17, in contrast to mutant-specific inhibitors, Compound 1 shows >95% inhibition of PI3Ka signaling.
Claims
What is claimed is:
1. A method for treating cancer in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound of Formula A and wherein the subject has a wildtype or mutant form of PI3 -kinase (PI3K):
(FCB)a-(L)b-(CLM)c, (Formula A) or a pharmaceutically acceptable salt thereof, wherein:
CLM is a covalent linking modality;
L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
2. The method of claim 1, wherein FCB has the structure:
wherein Ri is selected from the group consisting of:
4. The method of any one of claims 1-3, wherein the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, colon cancer, small intestine, prostate cancer, brain cancer, cholangiocar cinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
5. The method of claim 4, wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
6. The method of any one of claims 1-5, wherein the kinase is a mutated PI3Ka or mutated PI3K0.
7. The method of claim 6, wherein the kinase is mutated PI3Ka.
8. The method of any one of claims 1-7, wherein the subject has a mutation of PTEN.
9. The method of any one of claims 1-8, wherein the subject has a mutation PIK3Ca.
10. The method of any one of claims 1-9, wherein the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor.
11. The method of claim 10, wherein the earlier administered PI3K inhibitor is alpelisib
12. The method of claim 11, wherein the earlier administered PI3K inhibitor is GDC-0077.
13. The method of any one of claims 1-12, wherein the cancer or a cancer cell in the subject no longer expresses PTEN.
14. The method of any one of claims 1-13, wherein the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT.
15. The method of claim 14, wherein phosphorylated AKT is pAKT(S473).
16. The method of claim 14 or 15, wherein the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least 24 hrs, at least 48 hrs, at least 3 days, at least 4 days, at least 5 days, at least 6 days, at least 7 days, or at least 2 weeks.
17. The method of any one of claims 1-16, wherein the subject is human.
18 The method of any one of claims 1-17, wherein the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
19. A method for treating or ameliorating cell proliferation disorder in a subject, the method comprising administering to a subject in need thereof a therapeutically effective amount of a compound that forms a covalent bond with a kinase or pseudokinase or a pharmaceutically acceptable salt thereof, wherein the kinase is wildtype or mutant PI3 -kinase (PI3K).
20. The method of claim 19, wherein the compound that forms a covalent bond with a kinase or pseudokinase is a compound having the formula:
(FCB)a-(L)b-(CLM)c, or a pharmaceutically acceptable salt thereof, wherein:
CLM is a covalent linking modality;
L is a linker; a and c are each independently integers between 1 and 5; b is an integer between 0 and 5; and
21. The method of claim 20, wherein FCB has the structure:
wherein Ri is selected from the group consisting of:
e method of claim 21, wherein the compound is Compound 1 :
e method of any one of claims 19-22, wherein the kinase is PI3Ka or PI3Kp.
24. The method of claim 23, wherein the kinase is PI3Ka.
25. The method of any one of claims 19-24, wherein the kinase is mutated PI3Ka or mutated PI3K0.
26. The method of claim 25, wherein the kinase is mutated PI3Ka.
27. The method of any one of claims 19-26, wherein the subject has a mutation of PTEN.
28. The method of any one of claims 19-27, wherein the subject has a mutation PIK3Ca.
29. The method of any one of claims 19-27, wherein the subject is resistant to, has a weakened response to, is or no longer responsive to treatment from an earlier administered PI3K inhibitor.
30. The method of claim 29, wherein the earlier administered PI3K inhibitor is alpelisib.
31. The method of claim 29, wherein the earlier administered PI3K inhibitor is GDC-0077.
32. The method of any one of claims 19-31, wherein the cell proliferation disorder results in the subject no longer expresses PTEN or the proliferating cells no longer express PTEN.
33. The method of any one of claims 18-32, wherein the administration of a compound of formula A or Compound 1 inhibits phosphorylated AKT.
34. The method of claim 33, wherein phosphorylated AKT is pAKT(S473).
35. The method of claim 33 or 34, wherein the inhibition of phosphorylated AKT or specifically pAKT(S473) is maintained for at least 24 hrs, at least 48 hrs, at least 3 days, at least 4 days, at least 5 days, at least 6 days, at least 7 days, or at least 2 weeks.
36. The method of any one of claims 19-35, wherein the cell proliferation disorder is cancer.
37. The method of claim 36, wherein the cancer is selected from the group consisting of: heme cancer, colorectal cancer, ovarian cancer, breast cancer, cervical cancer, lung cancer, liver cancer, colon cancer, pancreatic cancer, cancer of the lymph nodes, small intestine, prostate cancer, brain cancer, cholangiocarcinoma, gallbladder carcinoma, cancer of the head and neck, bone cancer, Ewing’s sarcoma, skin cancer, kidney cancer, and cancer of the heart.
38. The method of claim 36, wherein the cancer is selected from the group consisting of breast cancer, ovarian cancer, pancreatic cancer, colorectal cancer, colon cancer, small intestine and lung cancer.
39. The method of claim 36, wherein the cancer is breast, lung, colorectal, gastric esophageal, head and neck or bladder cancer.
40. The method of any one of claims 23-28, wherein the PIK3 mutant is at amino residues E453, E542 and/or E545.
41. The method of claim 40, wherein the mutations are E542K or E542A; E545K or E545A; and/or E453K or E453A.
42. The method of any one of claims 1-41, wherein after administration of a compound of Formula A, or compound 1, the subject does not suffer from significant hyperglycemia.
43. The method of any one of claims 1-41, wherein after administration of a compound of F ormula A, or compound 1, the subject does not suffer from hyperglycemia.
44. The method of any one of claims 1-41, wherein after administration of a compound of Formula A, or compound 1, hyperglycemia is not increased or induced in the subject.
45. The method of any one of claims 19-44, wherein the subject is human.
I l l
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US202263417291P | 2022-10-18 | 2022-10-18 | |
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