Patents by Inventor Somasekhar Bhamidipati

Somasekhar Bhamidipati has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tyrosine kinase inhibitors
    Patent number: 10130623
    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 X, Y 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: July 10, 2017
    Date of Patent: November 20, 2018
    Assignee: RIGEL PHARMACEUTICALS, INC.
    Inventors: Sacha Holland, Rajinder Singh, Somasekhar Bhamidipati, Pingyu Ding, Rao Kolluri, Ihab Darwish, Esteban Masuda, Jiaxin Yu
  • Prodrugs of 2,4-Pyrimidinediamine Compounds and Their Uses
    Publication number: 20180153912
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, 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: July 17, 2017
    Publication date: June 7, 2018
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda
  • GDF-8 inhibitors
    Patent number: 9981944
    Abstract: Disclosed are 2,2?-bipyridyl 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, Z and n are as described herein. In certain embodiments, a compound disclosed herein inhibits GDF8, and can be used to treat disease by blocking GDF8 signaling.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: May 29, 2018
    Assignees: RIGEL PHARMACEUTICALS, INC, BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Pingyu Ding, Marina Gelman, Todd Kinsella, Rajinder Singh, Somasekhar Bhamidipati, Upender Velaparthi, Robert M. Borzilleri, Hasibur Rahaman, Jayakumar Sankara Warrier
  • TGF-ß Inhibitors
    Publication number: 20180086764
    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.
    Type: Application
    Filed: April 1, 2015
    Publication date: March 29, 2018
    Inventors: Marina Gelman, Todd Kinsella, Somasekhar Bhamidipati, Ihab Darwish, Rajinder Singh, Jiaxin Yu
  • Fumarate Analogs and Uses Thereof
    Publication number: 20180071271
    Abstract: Aspects of the present disclosure include compounds that find use for the treatment of a variety of autoimmune and inflammatory diseases and disorders. 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.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 15, 2018
    Inventors: Matthew Duncton, Somasekhar Bhamidipati, Jiaxin Yu, Ihab Darwish, Rajinder Singh
  • Methods of Treating or Preventing Autoimmune Diseases with 2,4-Pyrimidinediamine Compounds
    Publication number: 20180072756
    Abstract: The present invention provides methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds, as well as methods of treating, preventing or ameliorating symptoms associated with such diseases. Specific examples of autoimmune diseases that can be treated or prevented with the compounds include rheumatoid arthritis and/or its associated symptoms, systemic lupus erythematosis and/or its associated symptoms and multiple sclerosis and/or its associated symptoms.
    Type: Application
    Filed: March 24, 2017
    Publication date: March 15, 2018
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Hui Li, Somasekhar Bhamidipati, David Carroll, Catherine Sylvain, Jeffrey Clough, Holger Keim
  • 2,4-pyrimidinediamine compounds and their uses
    Patent number: 9913842
    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: July 8, 2016
    Date of Patent: March 13, 2018
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Donald Payan, Susan Molineaux, Sacha Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander Rossi
  • GDF-8 inhibitors
    Patent number: 9878992
    Abstract: Described are GCF-8 inhibitors of the formula (I), and pharmaceutically acceptable salts thereof, wherein n, R1, R2, R5, R6, X and Z are defined herein. Also provided are pharmaceutical compositions comprising the same. Such compounds and compositions are useful in methods for inhibiting GDF-8 in a cell and methods for treating a patient suffering from a disease or disorder, wherein the patient would therapeutically benefit from an increase in mass or strength of muscle tissue.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: January 30, 2018
    Assignee: RIGEL PHARMACEUTICALS, INC.
    Inventors: Somasekhar Bhamidipati, Marina Gelman, Pingyu Ding, Rajinder Singh, Jeffrey Clough, Todd Kinsella, Donald Payan
  • TYROSINE KINASE INHIBITORS
    Publication number: 20180008589
    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 X, Y 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: Application
    Filed: July 10, 2017
    Publication date: January 11, 2018
    Inventors: Sacha Holland, Rajinder Singh, Somasekhar Bhamidipati, Pingyu Ding, Rao Kolluri, Ihab Darwish, Esteban Masuda, Jiaxin Yu
  • GDF-8 Inhibitors
    Publication number: 20170342048
    Abstract: Described are GCF-8 inhibitors of the formula (I), and pharmaceutically acceptable salts thereof, wherein n, R1, R2, R5, R6, X and Z are defined herein. Also provided are pharmaceutical compositions comprising the same. Such compounds and compositions are useful in methods for inhibiting GDF-8 in a cell and methods for treating a patient suffering from a disease or disorder, wherein the patient would therapeutically benefit from an increase in mass or strength of muscle tissue.
    Type: Application
    Filed: July 13, 2017
    Publication date: November 30, 2017
    Inventors: Somasekhar Bhamidipati, Marina Gelman, Pingyu Ding, Rajinder Singh, Jeffrey Clough, Todd Kinsella, Donald Payan
  • Fumarate analogs and uses thereof
    Patent number: 9801866
    Abstract: Aspects of the present disclosure include compounds that find use for the treatment of a variety of autoimmune and inflammatory diseases and disorders. 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.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 31, 2017
    Assignee: Rigl Pharmaceutical, Inc.
    Inventors: Matthew Duncton, Somasekhar Bhamidipati, Jiaxin Yu, Ihab Darwish, Rajinder Singh
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20170298054
    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: June 29, 2017
    Publication date: October 19, 2017
    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
  • Prodrugs of 2,4-Pyrimidinediamine Compounds and Their Uses
    Publication number: 20170291909
    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: November 23, 2016
    Publication date: October 12, 2017
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Esteban Masuda, Thomas Sun, Valentino J. Stella
  • Methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds
    Patent number: 9751893
    Abstract: The present invention provides methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds, as well as methods of treating, preventing or ameliorating symptoms associated with such diseases. Specific examples of autoimmune diseases that can be treated or prevented with the compounds include rheumatoid arthritis and/or its associated symptoms, systemic lups erythematosis and/or its associated symptoms and multiple sclerosis and/or its associated symptoms.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: September 5, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Hui Li, Somasekhar Bhamidipati, David Carroll, Catherine Sylvain, Jeffrey Clough, Holger Keim
  • 2,4-PYRIMIDINEDIAMINE COMPOUNDS AND THEIR USES
    Publication number: 20170246167
    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: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Donald G. Payan, Susan Molineaux, Sacha J. Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander B. Rossii
  • Prodrugs of 2,4-pyrimidinediamine compounds and their uses
    Patent number: 9737554
    Abstract: The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: August 22, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Rajinder Singh, Thomas Sun, Esteban Masuda
  • Compositions and methods for inhibition of the JAK pathway
    Patent number: 9732073
    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: Grant
    Filed: December 18, 2015
    Date of Patent: August 15, 2017
    Assignee: 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
  • 2,4-Pyrimidinediamine Compounds and Their Uses
    Publication number: 20170151239
    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: Application
    Filed: July 8, 2016
    Publication date: June 1, 2017
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Ankush Argade, Donald Payan, Susan Molineaux, Sacha Holland, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Catherine Sylvain, Hui Li, Alexander Rossi
  • COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY
    Publication number: 20170121291
    Abstract: The invention encompasses compounds having formula I 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, are therapeutically useful.
    Type: Application
    Filed: October 11, 2016
    Publication date: May 4, 2017
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Ankush Argade, Arvinder Sran, David Carroll, Jeffrey Clough, Kin Tso, Somasekhar Bhamidipati, Sambaiah Thota, Rajinder Singh, Vanessa Taylor, Hui Li, Esteban Masuda
  • Pyrimidine-2-amine compounds and their use as inhibitors of JAK kinases
    Patent number: 9624229
    Abstract: This invention is directed to methods of treating diseases or conditions associated with JAK2 activity in a mammal comprising the administration of a compound of formula (I): where n, m, Y, R1, R2, R3, R4 and R5 are disclosed herein, or a pharmaceutically acceptable salt.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: April 18, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Jeffrey Clough, Ankush Argade, Rajinder Singh, Vadim Markovtsov, Pingyu Ding, Jiaxin Yu, Andy Atuegbu, Hui Hong, Ihab Darwish, Sambaiah Thota