Abstract: The invention described herein comprises compounds and a method of treating cancer comprising administering to a subject having cancer one of the compounds in conjunction with another therapeutic treatment of cancer. The compounds inhibit signaling by a member of the TGF-? superfamily such as Nodal or Activin.
Abstract: A method of preventing or treating thrombosis in a patent is disclose, wherein the method comprises administering to the patient an amount of fostamatinib or a form or metabolite thereof effective to prevent or treat the thrombosis, respectively.
Abstract: Disclosed are imidazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein R1, X, Y1, Y2, Y3 and Z are as described herein. In certain embodiments, a compound disclosed herein inhibits a cellular TAM receptor, and can be used to treat disease mediated by or involving the TAM receptor family.
Type:
Grant
Filed:
May 29, 2019
Date of Patent:
December 1, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Ihab Darwish, Jiaxin Yu, Rao Kolluri, Sacha Holland
Abstract: Aspects of the present disclosure include compounds that activate Nrf2. Such compounds find use in the treatment of autoimmune and inflammatory diseases and disorders, such as for example psoriasis and multiple sclerosis. Embodiments of the present disclosure also relate to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
Abstract: Disclosed are pyrazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein A, X, Z, m, p, and R2 are as described herein. In certain embodiments, a compound disclosed herein inhibits the activity of one or more members of the TGF-? superfamily, and can be used to treat disease by blocking such activity.
Abstract: Disclosed are novel benzazole compounds and compositions comprising the compounds. The compounds are useful as kinase inhibitors including interleukin receptor associated kinases (IRAK) inhibitors. Also disclosed are methods of making and using the compounds and compositions. The disclosed compounds and/or compositions may be used to treat or prevent an IRAK-associated disease or condition.
Type:
Application
Filed:
July 14, 2020
Publication date:
October 29, 2020
Applicant:
Rigel Pharmaceuticals, Inc.
Inventors:
Rose Yen, Yan Chen, Rajinder Singh, Vanessa Taylor
Abstract: Disclosed herein are kinase inhibitory compounds, such as a receptor-interacting protein-1 (RIP1) kinase inhibitor compounds, as well as pharmaceutical compositions and combinations comprising such inhibitory compounds. The disclosed compounds, pharmaceutical compositions, and/or combinations may be used to treat or prevent a kinase-associated disease or condition, particularly a RIP1-associated disease or condition.
Type:
Grant
Filed:
May 2, 2019
Date of Patent:
October 27, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Esteban Masuda, Simon Shaw, Vanessa Taylor, Somasekhar Bhamidipati
Abstract: This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
Type:
Grant
Filed:
March 12, 2018
Date of Patent:
October 6, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Rajinder Singh, Matthew Duncton, Jing Zhang, Salvador Alvarez, Kin Tso, Sacha Holland, Rose Yen, Rao Kolluri, Thilo Heckrodt, Yan Chen, Esteban Masuda, Hui Li, Donald G. Payan
Abstract: Compounds within the scope of the present invention have a Formula 1 or a salt or produg thereof, where ring A is selected from cycloaliphatic; ring B is aryl; R1 is selected from (C1-C10)alkyl, (C3-C10)cycloalkyl, halo, aryl, and heteroaryl; and R2 and R3 are independently selected from hydrogen and (C1-C6)alkyl. Disclosed compounds may have an IRAK4 IC50 of from 0.003 ?M to 3.7 M; a TAK1 IC50 of from 0.008 ?M to 132 M; and/or an IRAK4/TAK1 selectivity of from 1 to 450. Particular compounds may have an IRAK4/TAK1 selectivity of from 100 to 500. Disclosed compositions may be formulated as pharmaceutical compositions. A method for using the compounds and/or compositions also are disclosed. The method may comprise administering to a subject an effective amount of a compound within the scope of the present invention, particularly to selectively inhibit IRAK 1 and/or IRAK4 over TAK1.
Type:
Application
Filed:
June 5, 2020
Publication date:
September 24, 2020
Applicant:
Rigel Pharmaceuticals, Inc.
Inventors:
Yan Chen, Rose Yen, Jiaxin Yu, Vanessa Taylor, Rajinder Singh
Abstract: Disclosed are novel benzazole compounds and compositions comprising the compounds. The compounds are useful as kinase inhibitors including interleukin receptor associated kinases (IRAK) inhibitors. Also disclosed are methods of making and using the compounds and compositions. The disclosed compounds and/or compositions may be used to treat or prevent an IRAK-associated disease or condition.
Type:
Grant
Filed:
August 7, 2018
Date of Patent:
September 15, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Rose Yen, Yan Chen, Rajinder Singh, Vanessa Taylor
Abstract: Aspects of the present disclosure include prodrugs of compounds that activate Nrf2. Such prodrugs find use in the treatment of autoimmune and inflammatory diseases and disorders, such as for example psoriasis and multiple sclerosis. Embodiments of the present disclosure also relate to pharmaceutical compositions that include these prodrugs, methods of using these prodrugs in the treatment of various diseases and disorders, processes for preparing these prodrugs and intermediates useful in these processes.
Type:
Grant
Filed:
May 14, 2019
Date of Patent:
September 15, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Jiaxin Yu, Beth Fernandez, Gary Park, Ihab Darwish
Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
Type:
Application
Filed:
March 2, 2020
Publication date:
August 27, 2020
Applicant:
Rigel Pharmaceuticals, Inc.
Inventors:
Rajinder Singh, Somasekhar Bhamidipati, Esteban Masuda, Thomas Sun, Valentino J. Stella
Abstract: The present invention provides 2,4-pyrimidinediamine compounds that inhibit the IgE and/or IgG receptor signaling cascades that lead to the release of chemical mediators, intermediates and methods of synthesizing the compounds and methods of using the compounds in a variety of contexts, including in the treatment and prevention of diseases characterized by, caused by or associated with the release of chemical mediators via degranulation and other processes effected by activation of the IgE and/or IgG receptor signaling cascades.
Type:
Grant
Filed:
November 21, 2019
Date of Patent:
July 14, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Rajinder Singh, Ankush Argade, Donald Payan, Susan Molineaux, Sacha J. Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander B. Rossi
Abstract: Compounds within the scope of the present invention have a Formula 1 or a salt or prodrug thereof, where ring A is selected from cycloaliphatic; ring B is aryl; R1 is selected from (C1-C10)alkyl, (C3-C10)cycloalkyl, halo, aryl, and heteroaryl; and R2 and R3 are independently selected from hydrogen and (C1-C6)alkyl. Disclosed compounds may have an IRAK4 IC50 of from 0.003 ?M to 3.7 ?M; a TAK1 IC50 of from 0.008 ?M to 132 ?M; and/or an IRAK4/TAK1 selectivity of from 1 to 450. Particular compounds may have an IRAK4/TAK1 selectivity of from 100 to 500. Disclosed compositions may be formulated as pharmaceutical compositions. A method for using the compounds and/or compositions also are disclosed. The method may comprise administering to a subject an effective amount of a compound within the scope of the present invention, particularly to selectively inhibit IRAK 1 and/or IRAK4 over TAK1.
Type:
Grant
Filed:
June 26, 2017
Date of Patent:
July 14, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Yan Chen, Rose Yen, Jiaxin Yu, Vanessa Taylor, Rajinder Singh
Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
Type:
Application
Filed:
January 3, 2020
Publication date:
July 9, 2020
Applicant:
Rigel Pharmaceuticals, Inc.
Inventors:
Yan Chen, Vanessa Taylor, Hui Li, Rajinder Singh
Abstract: Disclosed are imidazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure Formula (I) and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein A, Z, X, R1, R2 m, p and a are as described herein. In certain embodiments, a compound disclosed herein inhibits TGF-?, and can be used to treat disease by blocking TGF-? signaling.
Abstract: The present invention provides 2,4-pyrimidinediamine compounds that inhibit the IgE and/or IgG receptor signaling cascades that lead to the release of chemical mediators, intermediates and methods of synthesizing the compounds and methods of using the compounds in a variety of contexts, including in the treatment and prevention of diseases characterized by, caused by or associated with the release of chemical mediators via degranulation and other processes effected by activation of the IgE and/or IgG receptor signaling cascades.
Type:
Grant
Filed:
January 21, 2011
Date of Patent:
June 16, 2020
Assignee:
Rigel Pharmaceuticals, Inc.
Inventors:
Rajinder Singh, Ankush Argade, Donald Payan, Susan Molineaux, Sacha J. Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander B. Rossi
Abstract: The invention encompasses compounds having formula I-V and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, may be therapeutically useful.
Type:
Application
Filed:
August 26, 2019
Publication date:
June 11, 2020
Applicant:
Rigel Pharmaceuticals, Inc.
Inventors:
Hui Li, sambaiah Thota, David Carroll, Ankush Argade, Kin Tso, Arvinder Sran, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Vanessa Taylor, Robin Cooper, Rajinder Singh, Brian Wong