IP Library Granted Patent US 12,441,723
Granted Patent B2
US 12,441,723 · App. 18/237,824 · Granted Oct 14, 2025

Pyrazole compounds, formulations thereof, and a method for using the compounds and/or formulations

Inventors: Lu Chou (Burlingame, CA); Matt Duan (Foster City, CA); Ihab S. Darwish (South San Francisco, CA); Simon Shaw (Oakland, CA); Somasekhar Bhamidipati (Foster City, CA); Vanessa Taylor (San Francisco, CA); Yan Chen (Foster City, CA); Dazhong Fan (South San Francisco, CA); Zhushou Luo (South San Francisco, CA)
Assignee: Rigel Pharmaceuticals, Inc.
C07D417/14
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Quick Facts
Patent No.
US 12,441,723
App. No.
18/237,824
Granted
Oct 14, 2025
Kind
B2
Abstract

Disclosed herein are embodiments of a pyrazole compound according to formula I. Compositions comprising the compound, and a method for making the composition also are disclosed. The composition may comprise a carrier, such as a polymer and/or the composition may be a spray-dried formulation. Also disclosed is a method for using the compound and/or composition. The compound and/or composition may be useful to inhibit an IRAK protein and/or to ameliorate, treat and/or prevent an IRAK-associated disease or condition in a subject.

Claims (19)

1. A compound that is sodium 1-(4-(4-((3-(3,6-difluoropyridin-2-yl)-1-((1r,4r)-4-ethoxycyclohexyl)-1H-pyrazol-4-yl) carbamoyl) thiazol-2-yl)-1H-pyrazol-1-yl)ethyl hydrogen phosphate.

2. A composition comprising the compound of claim 1 , and a pharmaceutically acceptable excipient.

3. A method for treating a disease or condition for which an IRAK inhibitor is indicated, comprising administering to a subject having the disease or condition an effective amount of a compound according to claim 1 or a composition thereof, wherein the disease or condition comprises an auto-immune disease, inflammatory disorder, cardiovascular disease, neurodegenerative disorder, allergic disorder, multi-organ failure, kidney disease, platelet aggregation, cancer, transplantation, sperm motility, erythrocyte deficiency, graft rejection, lung injury, respiratory disease, ischemic condition, bacterial infection, viral infection, immune regulatory disorder or a combination thereof.

4. The method of claim 3 , wherein the disease or condition comprises an autoimmune disease, inflammatory disorder, cardiovascular disease, cancer, ischemic condition, immune regulatory disorder or a combination thereof.

5. The method of claim 3 , wherein the disease or condition comprises an autoimmune disease or inflammatory disorder.

6. The method of claim 3 , wherein the disease or condition comprises a proliferative disorder.

7. The method of claim 3 , wherein the disease or condition comprises transplant or organ rejection, a graft-versus-host disease, rheumatoid arthritis, systemic lupus erythematosus, Hashimoto's thyroiditis, multiple sclerosis, systemic sclerosis, myasthenia gravis, type I diabetes, uveitis, posterior uveitis, allergic encephalomyelitis, glomerulonephritis, rheumatic fever, post-infectious glomerulonephritis, inflammatory skin disease, hyperproliferative skin disease, psoriasis, atopic dermatitis, contact dermatitis, eczematous dermatitis, seborrhoeic dermatitis, lichen planus, pemphigus, bullous pemphigoid, epidermolysis bullosa, urticaria, angioedemas, vasculitis, erythema, cutaneous eosinophilia, lupus erythematosus, acne, alopecia areata, keratoconjunctivitis, vernal conjunctivitis, uveitis associated with Behcet's disease, keratitis, herpetic keratitis, conical cornea, dystrophia epithelialis corneae, corneal leukoma, ocular pemphigus, Mooren's ulcer, scleritis, Graves' opthalmopathy, Vogt-Koyanagi-Harada syndrome, sarcoidosis, pollen allergies, reversible obstructive airway disease, bronchial asthma, allergic asthma, intrinsic asthma, extrinsic asthma, dust asthma, chronic or inveterate asthma, late asthma and airway hyper-responsiveness, bronchitis, gastric ulcers, vascular damage caused by ischemic diseases and thrombosis, ischemic bowel diseases, inflammatory bowel diseases, necrotizing enterocolitis, intestinal lesions associated with thermal burns, celiac diseases, proctitis, eosinophilic gastroenteritis, mastocytosis, Crohn's disease, ulcerative colitis, migraine, rhinitis, eczema, interstitial nephritis, Goodpasture's syndrome, hemolytic-uremic syndrome, diabetic nephropathy, multiple myositis, Guillain-Barre syndrome, Meniere's disease, polyneuritis, multiple neuritis, mononeuritis, radiculopathy, hyperthyroidism, Basedow's disease, pure red cell aplasia, aplastic anemia, hypoplastic anemia, idiopathic thrombocytopenia purpura, autoimmune hemolytic anemia, agranulocytosis, pernicious anemia, megaloblastic anemia, erythroplasia, osteoporosis, sarcoidosis, fibroid lung, idiopathic interstitial pneumonia, dermatomyositis, leukoderma vulgaris, ichthyosis vulgaris, photoallergic sensitivity, cutaneous T cell lymphoma, chronic lymphocytic leukemia, arteriosclerosis, atherosclerosis, aortitis syndrome, polyarteritis nodosa, myocardosis, scleroderma, Wegener's granuloma, Sjögren's syndrome, adiposis, eosinophilic fascitis, lesions of gingiva, periodontium, alveolar bone, substantia ossea dentis, glomerulonephritis, male pattern alopecia or alopecia senilis by preventing epilation or providing hair germination and/or promoting hair generation and hair growth, muscular dystrophy, pyoderma and Sezary's syndrome, Addison's disease, ischemia-reperfusion injury of organs which occurs upon preservation, transplantation or ischemic disease, endotoxin-shock, pseudomembranous colitis, colitis caused by drug or radiation, ischemic acute renal insufficiency, chronic renal insufficiency, toxinosis caused by lung-oxygen or drugs, lung cancer, pulmonary emphysema, cataracta, siderosis, retinitis pigmentosa, senile macular degeneration, vitreal scarring, corneal alkali burn, dermatitis erythema multiforme, linear IgA bullous dermatitis and cement dermatitis, gingivitis, periodontitis, sepsis, pancreatitis, diseases caused by environmental pollution, aging, carcinogenesis, metastasis of carcinoma and hypobaropathy, disease caused by histamine or leukotriene-C4 release, Behcet's disease, autoimmune hepatitis, primary biliary cirrhosis, sclerosing cholangitis, partial liver resection, acute liver necrosis, necrosis caused by toxin, viral hepatitis, shock, or anoxia, B-virus hepatitis, non-A/non-B hepatitis, cirrhosis, alcoholic liver disease, including alcoholic cirrhosis, non-alcoholic steatohepatitis (NASH), hepatic failure, fulminant hepatic failure, late-onset hepatic failure, “acute-on-chronic” liver failure, augmentation of chemotherapeutic effect, cytomegalovirus infection, HCMV infection, AIDS, cancer, senile dementia, Parkinson's disease, trauma, chronic bacterial infection, or a combination thereof.

8. The method of claim 3 , wherein the disease or condition is myeloproliferative neoplasms (MPN) excluding polycythemia vera, myeloid/lymphoid neoplasms with PDGFRA rearrangement, myeloid/lymphoid neoplasms with PDGFRB rearrangement, myeloid/lymphoid neoplasms with FGFR1 rearrangement, myeloid/lymphoid neoplasms with PCM1-JAK2, Myelodysplastic/myeloproliferative neoplasms (MDS/MPN), myeloid sarcoma, myeloid proliferations related to Down syndrome, blastic plasmacytoid dendritic cell neoplasm, B-lymphoblastic leukemia/lymphoma, T-lymphoblastic leukemia/lymphoma, or a combination thereof.

9. The method of claim 3 , wherein the disease or condition comprises rheumatoid arthritis, psoriatic arthritis, osteoarthritis, systemic lupus erythematosus, lupus nephritis, ankylosing spondylitis, osteoporosis, systemic sclerosis, multiple sclerosis, psoriasis, in particular pustular psoriasis, type I diabetes, type II diabetes, inflammatory bowel disease (Crohn's disease and ulcerative colitis), hyperimmunoglobulinemia d and periodic fever syndrome, cryopyrin-associated periodic syndromes, Schnitzler's syndrome, systemic juvenile idiopathic arthritis, adult-onset Still's disease, gout, gout flares, pseudogout, SAPHO syndrome, Castleman's disease, sepsis, stroke, atherosclerosis, celiac disease, DIRA (deficiency of Il-1 receptor antagonist), Alzheimer's disease, Parkinson's disease or a combination thereof.

10. The method of claim 6 , wherein the proliferative disorder comprises a disorder selected from benign tumors, malignant tumors, solid tumor, carcinoma of the brain, kidney, liver, adrenal gland, bladder, breast, stomach, gastric tumors, ovaries, colon, rectum, prostate, pancreas, lung, vagina, cervix, testis, genitourinary tract, esophagus, larynx, skin, bone or thyroid, sarcoma, glioblastomas, neuroblastomas, multiple myeloma, gastrointestinal cancer, colon carcinoma or colorectal adenoma, a tumor of the neck and head, an epidermal hyperproliferation, psoriasis, prostate hyperplasia, a neoplasia, a neoplasia of epithelial character, adenoma, adenocarcinoma, keratoacanthoma, epidermoid carcinoma, large cell carcinoma, non-small-cell lung carcinoma, lymphomas, Hodgkins and non-Hodgkins, a mammary carcinoma, follicular carcinoma, undifferentiated carcinoma, papillary carcinoma, seminoma, melanoma, IL-1 driven disorders, a MyD88 driven disorder (such as ABC diffuse large B-cell lymphoma (DLBCL), Waldenström's macroglobulinemia, Hodgkin's lymphoma, primary cutaneous T-cell lymphoma, smoldering or indolent multiple myeloma, hematological malignancies, leukemia, acute myeloid leukemia (AML), DLBCL, ABC DLBCL, chronic lymphocytic leukemia (CLL), chronic lymphocytic lymphoma, primary effusion lymphoma, Burkitt lymphoma/leukemia, acute lymphocytic leukemia, B-cell prolymphocytic leukemia, lymphoplasmacytic lymphoma, myelodysplastic syndromes (MDS), myelofibrosis, polycythemia vera, Kaposi's sarcoma, Waldenström's macroglobulinemia (WM), splenic marginal zone lymphoma, multiple myeloma, plasmacytoma, intravascular large B-cell lymphoma, or a combination thereof.

11. The method of claim 6 , wherein the proliferative disorder comprises psoriasis.

12. The method of claim 6 , wherein the proliferative disorder comprises a drug resistant malignancy.

13. The method of claim 12 , wherein the drug resistant malignancy comprises a malignancy selected from malignancies resistant to JAK inhibitors, ibrutinib resistant malignancies, ibrutinib resistant hematological malignancies, ibrutinib resistant CLL, ibrutinib resistant, Waldenström's macroglobulinemia or a combination thereof.

14. The method of claim 3 , wherein the disease or condition comprises a hematological malignancy.

15. The method of claim 14 , wherein the hematological malignancy comprises a malignancy selected from leukemia, acute myeloid leukemia (AML), DLBCL, ABC DLBCL, chronic lymphocytic leukemia (CLL), chronic lymphocytic lymphoma, primary effusion lymphoma, Burkitt lymphoma/leukemia, acute lymphocytic leukemia, B-cell prolymphocytic leukemia, lymphoplasmacytic lymphoma, myelodysplastic syndromes (MDS), myelofibrosis, polycythemia vera, Kaposi's sarcoma, Waldenström's macroglobulinemia (WM), splenic marginal zone lymphoma, multiple myeloma, plasmacytoma, and intravascular large B-cell lymphoma.

16. The method of claim 3 , wherein the disease or condition comprises a hyperproliferative skin disorder.

17. The method of claim 3 , wherein the disease or condition comprises an inflammatory skin disease, psoriasis, primary biliary cirrhosis, sclerosing cholangitis, systemic juvenile idiopathic arthritis, atopic dermatitis, contact dermatitis, eczematous dermatitis, or seborrhoeic dermatitis.

18. The method of claim 3 , further comprising administering a second therapeutic agent.

19. The method of claim 18 , wherein the second therapeutic agent is an analgesic, an antibiotic, an anticoagulant, an antibody, an anti-inflammatory agent, an immunosuppressant, a guanylate cyclase-C agonist, an intestinal secretagogue, an antiviral, anticancer, antifungal, or a combination thereof.

Assignments (2)
SECURITY INTEREST Recorded May 8, 2026
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FUNDING IV TRUST
Reel/Frame 075576/0880 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2025
From: CHOU, LU; DUAN, MATT; DARWISH, IHAB S.; SHAW, SIMON; BHAMIDIPATI, SOMASEKHAR; TAYLOR, VANESSA; CHEN, YAN; FAN, DAZHONG; LUO, ZHUSHOU
To: RIGEL PHARMACEUTICALS, INC.
Reel/Frame 070280/0977 →
Continuity (4)
Continuation 17747384 · May 18, 2022
Continuation 17006150 · Aug 28, 2020
Provisional Application 62894547 · Aug 30, 2019
Related Publication 20230399326A1 · Dec 14, 2023
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