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: 20190308951
    Abstract: The present invention provides substituted pyrazole derivatives of formula (I) which are therapeutically useful as selective CDK12/13 inhibitors. These compounds are useful in the treatment and/or prevention of diseases and/or disorders associated with CDK12/13 in a mammal. The present invention also provides preparation of the compounds and pharmaceutical compositions with at least one of the substituted pyrazole derivatives of formula (I) or a pharmaceutically acceptable salt, an N-oxide or a stereoisomer thereof.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 10, 2019
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Ramulu Poddutoori, Susanta Samajdar, Subhendu Mukherjee
  • Patent number: 10399958
    Abstract: Provided herein are compounds I, II or III and compositions useful in increasing PPAR8 activity. The compounds and compositions provided herein are useful for the treatment of PPAR8 related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: September 3, 2019
    Assignees: Mitobridge, Inc., The Salk Institute for Biological Studies
    Inventors: Michael Downes, Ronald M. Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Patent number: 10336697
    Abstract: The present invention provides novel spiro[cyclobutane-1,3?-indolin]-2?-one derivatives of formula (I) in which Cy, R1, R2, R4, L, and m have the meaning given in the specification, and pharmaceutically acceptable salts thereof. The compounds of formula (I) are useful as bromodomain inhibitors in the treatment or prevention of diseases or disorders where bromodomain inhibition is desired.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: July 2, 2019
    Assignee: ORION CORPORATION
    Inventors: Ravi Kotrabasaiah Ujjinamatada, Susanta Samajdar, Chandrasekhar Abbineni, Subhendu Mukherjee, Tero Linnanen, Gerd Wohlfahrt
  • Publication number: 20190084958
    Abstract: Provided herein are compounds I, II or III and compositions useful in increasing PPAR8 activity. The compounds and compositions provided herein are useful for the treatment of PPAR8 related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Application
    Filed: October 5, 2016
    Publication date: March 21, 2019
    Applicants: Mitobridge, Inc., The Salk Institute for Biological Studies
    Inventors: Michael Downes, Ronald M. Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Patent number: 10188627
    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: Grant
    Filed: October 7, 2015
    Date of Patent: January 29, 2019
    Assignees: Mitobridge, Inc., Salk Institute for Biological Studies
    Inventors: Michael Downes, Ronald Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Publication number: 20180370988
    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 3, 2018
    Publication date: December 27, 2018
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Patent number: 10160753
    Abstract: The present invention provides indazole compounds of formula (I), which are therapeutically useful as kinase inhibitors, particularly IRAK4 inhibitors, wherein Z1, Z2, R1, R2, R3, ‘m’ and ‘n’ have the meanings given in the specification, and pharmaceutically acceptable salts or stereoisomers thereof that are useful in the treatment and prevention of diseases or disorders, in particular their use in diseases or disorders mediated by kinase enzyme, particularly IRAK4 enzyme. The present invention also provides pharmaceutical compositions comprising at least one of the compounds of the compound of formula (I) together with a pharmaceutically acceptable carrier, diluent or excipient.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: December 25, 2018
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar, Ajay Gupta
  • Publication number: 20180362471
    Abstract: The present invention provides substituted heterocyclyl 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. These compounds are useful in the treatment and prevention of diseases and/or disorders 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 heterocyclyl derivatives of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 20, 2018
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Chetan Pandit, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20180339982
    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: August 1, 2018
    Publication date: November 29, 2018
    Inventors: Susanta SAMAJDAR, Chandrasekhar Abbineni, Sanjita Sasmal, Subramanya Hosahalli
  • Publication number: 20180312496
    Abstract: The invention relates to novel bicyclic heterocycle derivatives of formula (I) wherein Cy1, Cy2, R1, R2, and L1 have the meaning given in the specification, and pharmaceutically acceptable salts thereof. The compounds of formula (I) are useful as bromodomain inhibitors in the treatment or prevention of diseases or disorders where bromodomain inhibition is desired.
    Type: Application
    Filed: June 30, 2016
    Publication date: November 1, 2018
    Inventors: Susanta SAMAJDAR, Chandrasekhar ABBINENI, Tero LINNANEN, Gerd WOHLFAHRT
  • Patent number: 10077259
    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: Grant
    Filed: January 6, 2015
    Date of Patent: September 18, 2018
    Assignee: Orion Corporation
    Inventors: Susanta Samajdar, Chandrasekhar Abbineni, Sanjita Sasmal, Subramanya Hosahalli
  • Publication number: 20180258092
    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: September 13, 2018
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Subhendu Mukherjee, Rajeev Goswami
  • Patent number: 10047104
    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: Grant
    Filed: August 2, 2017
    Date of Patent: August 14, 2018
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20180208605
    Abstract: The present invention provides substituted aza compounds of formula (I) or (II) and pharmaceutically acceptable salts thereof, and their use to inhibit IRAK-4 and/or for the treatment of diseases or disorders induced by IRAK-4.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Inventors: Venkateshwar Rao GUMMADI, Susanta SAMAJDAR, Subhendu MUKHERJEE, Mark Gary BOCK
  • Publication number: 20180201609
    Abstract: The present invention provides indazole and aza indazole compounds of formula (I) or (II) and pharmaceutically acceptable salts thereof, and their use to inhibit IRAK-4 and/or for the treatment of diseases or disorders induced by IRAK-4.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 19, 2018
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar, Subhendu Mukherjee
  • Publication number: 20180186739
    Abstract: The present invention provides novel spiro[cyclobutane-1,3?-indolin]-2?-one derivatives of formula (I) in which Cy, R1, R2, R4, L, and m have the meaning given in the specification, and pharmaceutically acceptable salts thereof. The compounds of formula (I) are useful as bromodomain inhibitors in the treatment or prevention of diseases or disorders where bromodomain inhibition is desired.
    Type: Application
    Filed: June 15, 2016
    Publication date: July 5, 2018
    Inventors: Ravi Kotrabasaiah UJJINAMATADA, Susanta SAMAJDAR, Chandrasekhar ABBINENI, Subhendu MUKHERJEE, Tero LINNANEN, Gerd WOHLFAHRT
  • Patent number: 10011599
    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: March 16, 2017
    Date of Patent: July 3, 2018
    Assignee: Novartis AG
    Inventors: Mark Gary Bock, Henrik Moebitz, Sunil Kumar Panigrahi, Ramulu Poddutoori, Susanta Samajdar
  • Publication number: 20180155293
    Abstract: The present invention provides substituted heterocyclyl 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. These compounds are useful in the treatment and prevention of diseases and/or disorders 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 heterocyclyl derivatives of formula (I) or a pharmaceutically acceptable salt or a stereoisomer thereof.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 7, 2018
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Chetan Pandit, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20180141913
    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: November 22, 2017
    Publication date: May 24, 2018
    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, Lorna Helen MITCHELL, Nicholas LARSEN, Nathalie RIOUX, Sudeep PRAJAPATI, Dominic REYNOLDS, Morgan O'SHEA, Thiwanka SAMARAKOON
  • Publication number: 20180127378
    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: September 22, 2017
    Publication date: May 10, 2018
    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