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).

  • Patent number: 11174232
    Abstract: The present invention provides substituted heterocyclylderivatives 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: Grant
    Filed: May 6, 2020
    Date of Patent: November 16, 2021
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Chetan Pandit, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20210290628
    Abstract: The present invention provides methods of treating hematological disorders, such as acute myeloid leukemia, using substituted heterocyclic compounds and pharmaceutically acceptable salts thereof. The compounds inhibit IRAK4 and FLT-3 kinases.
    Type: Application
    Filed: March 30, 2018
    Publication date: September 23, 2021
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar, Kavitha Nellore, Girish Daginakatte, Wesley R. Balasubramanian
  • Publication number: 20210253564
    Abstract: The present invention provides pyridazine derivatives of formula (I), which are therapeutically useful as SMARCA2/4 degraders. These compounds are useful in the treatment and/or prevention of diseases or disorders dependent upon SMARCA2/4 in a mammal. The present invention also provides preparation of the compounds and pharmaceutical compositions of at least one of the pyridazine derivatives of formula (I) or a pharmaceutically acceptable salt, or a stereoisomer thereof.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 19, 2021
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Sanjita Sasmal, Susanta Samajdar, Subhendu Mukherjee, Chandrasekhar Abbineni
  • Publication number: 20210253549
    Abstract: Provided herein are compounds and compositions useful in increasing PPAR? activity. The compounds and compositions provided herein are useful for the treatment of PPAR? related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Application
    Filed: January 29, 2021
    Publication date: August 19, 2021
    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: 10995100
    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: February 19, 2020
    Date of Patent: May 4, 2021
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20210077486
    Abstract: The present invention provides a method of treating a disease or disorder with at least one SMARCA2/4 degrader, in a subject who are responders to such treatment based on the presence of tumor specific alterations described therein. The present invention also provides the methods for treating prostate cancer in the subjects who are likely to respond to treatment with SMARCA2/4 degraders.
    Type: Application
    Filed: September 11, 2020
    Publication date: March 18, 2021
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Muralidhara Ramachandra, Leena Khare Satyam, Sanjita Sasmal, Susanta Samajdar
  • Patent number: 10906885
    Abstract: Provided herein are compounds and compositions useful in increasing PPAR? activity. The compounds and compositions provided herein are useful for the treatment of PPAR? related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: February 2, 2021
    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: 10894786
    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: Grant
    Filed: April 4, 2019
    Date of Patent: January 19, 2021
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Ramulu Poddutoori, Susanta Samajdar, Subhendu Mukherjee
  • Patent number: 10851065
    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: September 22, 2017
    Date of Patent: December 1, 2020
    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
  • Publication number: 20200308142
    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 1, 2020
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Ramulu Poddutoori, Susanta Samajdar, Subhendu Mukherjee
  • Publication number: 20200262793
    Abstract: The present invention provides substituted heterocyclylderivatives 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: May 6, 2020
    Publication date: August 20, 2020
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Chetan Pandit, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20200255415
    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: August 13, 2020
    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
  • Patent number: 10689347
    Abstract: The present invention provides substituted heterocyclylderivatives 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: Grant
    Filed: June 3, 2016
    Date of Patent: June 23, 2020
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Susanta Samajdar, Ramulu Poddutoori, Chetan Pandit, Subhendu Mukherjee, Rajeev Goswami
  • Publication number: 20200190112
    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: February 19, 2020
    Publication date: June 18, 2020
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Publication number: 20200157074
    Abstract: Provided herein are compounds and compositions useful in increasing PPAR? activity. The compounds and compositions provided herein are useful for the treatment of PPAR? related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Application
    Filed: November 13, 2019
    Publication date: May 21, 2020
    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: 10640517
    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 3, 2018
    Date of Patent: May 5, 2020
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Venkateshwar Rao Gummadi, Susanta Samajdar
  • Patent number: 10590118
    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: August 1, 2018
    Date of Patent: March 17, 2020
    Assignee: ORION CORPORATION
    Inventors: Susanta Samajdar, Chandrasekhar Abbineni, Sanjita Sasmal, Subramanya Hosahalli
  • Patent number: 10479775
    Abstract: Provided herein are compounds and compositions useful in increasing PPAR? activity. The compounds and compositions provided herein are useful for the treatment of PPAR? related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: November 19, 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
  • Publication number: 20190337920
    Abstract: Provided herein are compounds and compositions useful in increasing PPAR? activity. The compounds and compositions provided herein are useful for the treatment of PPAR? related diseases (e.g., muscular diseases, vascular disease, demyelinating disease, and metabolic diseases).
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Inventors: Michael Downes, Ronald M. Evans, Arthur Kluge, Bharat Lagu, Masanori Miura, Sunil Kumar Panigrahi, Michael Patane, Susanta Samajdar, Ramesh Senaiar, Taisuke Takahashi
  • Publication number: 20190337921
    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: November 7, 2019
    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