Patents by Inventor Susanta Samajdar

Susanta Samajdar 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).

  • Publication number: 20180057497
    Abstract: The present invention provides substituted pyrazolo[1,5-a][1,3,5]triazine and pyrazolo[1,5-a]pyrimidine derivatives of formula (I), which are therapeutically useful, particularly as selective transcriptional CDK inhibitors including CDK7, CDK9, CDK12, CDK13 and CDK18, more particularly transcriptional CDK7 inhibitors wherein X, ring A, ring B, L1, L2, R1, R2, R3, R4, R6, m, n and p have the meanings given in the specification and pharmaceutically acceptable salts thereof that are useful in the treatment and prevention of diseases or disorder associated with selective transcriptional CDKs in a mammal. The present invention also provides preparation of the compounds and pharmaceutical formulations comprising at least one of the substituted pyrazolo[1,5-a][1,3,5]triazine and pyrazolo[1,5-a]pyrimidine derivatives of formula (I) or a pharmaceutically acceptable salt thereof or a stereoisomer thereof.
    Type: Application
    Filed: March 8, 2016
    Publication date: March 1, 2018
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20180022758
    Abstract: The present invention provides bicyclic heterocyclyl kinase enzyme inhibitor compounds of formula (I), which are therapeutically useful as kinase inhibitors, particularly IRAK4 inhibitors. wherein A, Y, Z, X1, X2, X3, R1, R3, ‘m’, ‘n’ and ‘p’ have the meanings given in the specification and pharmaceutically acceptable salt or stereoisomer thereof that are useful in the treatment and prevention of diseases or disorder, in particular their use in diseases or disorder mediated by kinase enzyme, particularly IRAK4 enzyme. The present invention also provides pharmaceutical composition comprising at least one of the compounds of compound of formula (I) together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
    Type: Application
    Filed: August 2, 2017
    Publication date: January 25, 2018
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20170305894
    Abstract: Provided herein are compounds of Formula (I) and compositions useful in increasing PPARS activity. The compounds and compositions provided herein are useful for the treatment of PPARS related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Application
    Filed: October 7, 2015
    Publication date: October 26, 2017
    Inventors: Thomas Baiga, Michael Downes, Ronald Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Publication number: 20170304255
    Abstract: Provided herein are compounds of formula (I) useful for the treatment of PPAR-delta related diseases (e.g. mitochondrial diseases, muscular diseases, vascular diseases, demyelinating diseases and metabolic diseases).
    Type: Application
    Filed: October 7, 2015
    Publication date: October 26, 2017
    Inventors: Thomas Baiga, Michael Downes, Ronald Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Patent number: 9796683
    Abstract: Disclosed herein are compounds, or pharmaceutically acceptable salts thereof, and methods of using the compounds for treating breast cancer by administration to a subject in need thereof a therapeutically effective amount of the compounds or pharmaceutically acceptable salts thereof. The breast cancer may be an ER-positive breast cancer and/or the subject in need of treatment may express a mutant ER-? protein.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: October 24, 2017
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Mark Bock, Ming-Hong Hao, Manav Korpal, Vijay Kumar Nyavanandi, Xiaoling Puyang, Susanta Samajdar, Peter Gerard Smith, John Wang, Guo Zhu Zheng, Ping Zhu
  • Patent number: 9732095
    Abstract: The present invention provides bicyclic heterocyclyl kinase enzyme inhibitor compounds of formula (I), which are therapeutically useful as kinase inhibitors, particularly IRAK4 inhibitors, wherein A, Y, Z, X1, X2, R1, R3, ‘m’, ‘n’ and ‘p’ have the meanings given in the specification and pharmaceutically acceptable salt or stereoisomer thereof that are useful in the treatment and prevention of diseases or disorder, in particular their use in diseases or disorder mediated by kinase enzyme, particularly IRAK4 enzyme. The present invention also provides pharmaceutical composition comprising at least one of the compounds of compound of formula (I) together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: August 15, 2017
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20170183348
    Abstract: The present invention relates to compounds of formula I: in which n, R1, R2, R3a, R4 and R5 are defined in the Summary of the Invention; capable of inhibiting the activity of MEK. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of hyperproliferative diseases like cancer.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Inventors: Mark Gary BOCK, Henrik MOEBITZ, Sunil Kumar Panigrahi, Ramulu PODDUTOORI, Susanta SAMAJDAR
  • Publication number: 20170152263
    Abstract: The present invention provides substituted indazole compound of formula (I) and pharmaceutically acceptable salts thereof, and their use to inhibit IRAK4 and/or for the treatment of diseases or disorders induced by IRAK4.
    Type: Application
    Filed: June 19, 2015
    Publication date: June 1, 2017
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Patent number: 9629836
    Abstract: The present invention relates to compounds of formula I: in which n, R1, R2, R3a, R4 and R5 are defined in the Summary of the Invention; capable of inhibiting the activity of MEK. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of hyperproliferative diseases like cancer.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 25, 2017
    Assignee: NOVARTIS AG
    Inventors: Mark Gary Bock, Henrik Moebitz, Sunil Kumar Panigrahi, Ramulu Poddutoori, Susanta Samajdar
  • Publication number: 20160368906
    Abstract: The present disclosure provides bicyclic heterocyclic derivatives of formula (I), which may be therapeutically useful, more particularly as bromodomain inhibitors; (I), in which R1, R2, R3, R4, L1, L2, Cy1, Cy2, X, n, and dotted line have the same meaning given in the specification, and pharmaceutically acceptable salts or pharmaceutically acceptable stereoisomers thereof that are useful in the treatment and prevention of diseases or disorders, in particular their use in diseases or disorders associated as bromodomain inhibitors. The present disclosure also provides preparation of compounds and pharmaceutical formulations comprising at least one of bicyclic heterocyclic derivatives of formula (I), together with a pharmaceutically acceptable carrier, diluent, or excipient.
    Type: Application
    Filed: January 6, 2015
    Publication date: December 22, 2016
    Applicant: Orion Corporation
    Inventors: Susanta SAMAJDAR, Chandrasekhar ABBINENI, Sanjita SASMAL, Subramanya HOSAHALLI
  • Publication number: 20160347717
    Abstract: Disclosed herein are compounds, or pharmaceutically acceptable salts thereof, and methods of using the compounds for treating breast cancer by administration to a subject in need thereof a therapeutically effective amount of the compounds or pharmaceutically acceptable salts thereof. The breast cancer may be an ER-positive breast cancer and/or the subject in need of treatment may express a mutant ER-? protein.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Mark BOCK, Ming-Hong HAO, Manav KORPAL, Vijay Kumar NYAVANANDI, Xiaoling PUYANG, Susanta SAMAJDAR, Peter Gerard SMITH, John WANG, Guo Zhu ZHENG, Ping ZHU
  • Publication number: 20160340366
    Abstract: The present invention provides bicyclic heterocyclyl kinase enzyme inhibitor compounds of formula (I), which are therapeutically useful as kinase inhibitors, particularly IRAK4 inhibitors, wherein A, Y, Z, X1, X2, R1, R3, ‘m’, ‘n’ and ‘p’ have the meanings given in the specification and pharmaceutically acceptable salt or stereoisomer thereof that are useful in the treatment and prevention of diseases or disorder, in particular their use in diseases or disorder mediated by kinase enzyme, particularly IRAK4 enzyme. The present invention also provides pharmaceutical composition comprising at least one of the compounds of compound of formula (I) together with a pharmaceutically acceptable carrier, diluent or excipient therefor.
    Type: Application
    Filed: January 12, 2015
    Publication date: November 24, 2016
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20160136150
    Abstract: The present invention relates to compounds of formula I: in which n, R1, R2, R3a, R4 and R5 are defined in the Summary of the Invention; capable of inhibiting the activity of MEK. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of hyperproliferative diseases like cancer.
    Type: Application
    Filed: November 13, 2015
    Publication date: May 19, 2016
    Applicant: NOVARTIS AG
    Inventors: Mark Gary BOCK, Henrik MOEBITZ, Sunil Kumar PANIGRAHI, Ramulu PODDUTOORI, Susanta SAMAJDAR
  • Patent number: 9227969
    Abstract: The present invention relates to compounds of formula I: in which n, R1, R2, R3a, R4 and R5 are defined in the Summary of the Invention; capable of inhibiting the activity of MEK. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of hyperproliferative diseases like cancer.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: January 5, 2016
    Assignee: NOVARTIS AG
    Inventors: Mark Gary Bock, Henrik Moebitz, Sunil Kumar Panigrahi, Ramulu Poddutoori, Susanta Samajdar
  • Patent number: 9067920
    Abstract: The present invention provides an aminopyrazole compound, or a pharmaceutically acceptable salt thereof, that inhibits Chk1 and is useful in the treatment of cancer.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: June 30, 2015
    Assignee: Eli Lilly and Company
    Inventors: Sajan Joseph, Susanta Samajdar
  • Publication number: 20150051209
    Abstract: The present invention relates to compounds of formula I: in which n, R1, R2, R3a, R4 and R5 are defined in the Summary of the Invention; capable of inhibiting the activity of MEK. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of hyperproliferative diseases like cancer.
    Type: Application
    Filed: August 5, 2014
    Publication date: February 19, 2015
    Applicant: NOVARTIS AG
    Inventors: Mark Gary BOCK, Henrik MOEBITZ, Sunil Kumar PANIGRAHI, Ramulu PODDUTOORI, Susanta SAMAJDAR
  • Publication number: 20130190262
    Abstract: The present invention provides an aminopyrazole compound, or a pharmaceutically acceptable salt thereof, that inhibits Chk1 and is useful in the treatment of cancer.
    Type: Application
    Filed: November 1, 2011
    Publication date: July 25, 2013
    Applicant: Eli Lilly and Company
    Inventors: Sajan Joseph, Susanta Samajdar