Patents by Inventor Muralidhara Ramachandra

Muralidhara Ramachandra 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: 20210379055
    Abstract: The present invention relates to substituted alkynylene compounds represented by the compounds of formula (I), pharmaceutically acceptable salts and stereoisomers thereof. The present invention further provides the therapeutic uses of the compounds of formula (I) as anti-cancer agents.
    Type: Application
    Filed: January 17, 2019
    Publication date: December 9, 2021
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Dinesh Chikkanna, Vinayak V. Khairnar, Muralidhara Ramachandra, Leena Khare Satyam
  • Publication number: 20210379024
    Abstract: The present invention relates to method of modulating TIGIT signaling pathway and PD-1 signaling pathway. The invention also encompasses the use of the compound of formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof for the treatment of diseases or disorders mediated by both TIGIT signaling pathway and PD-1 signaling pathway.
    Type: Application
    Filed: March 13, 2019
    Publication date: December 9, 2021
    Inventors: Pottayil Govindan Nair SASIKUMAR, Muralidhara RAMACHANDRA, Seetharamaiah Setty Sudarshan NAREMADDEPALLI, Gundala Chennakrishnareddy
  • Publication number: 20210198219
    Abstract: The present invention relates to pharmaceutical compositions of 1,2,4-oxadiazole compounds or a pharmaceutically acceptable salt thereof of formula (I) In the formula Q is O, R1 is the side chain of Ser, R2 is —CO-Thr, R3 is the side chain of Asn or Glu, and R4, R5 and R6 are each H.
    Type: Application
    Filed: March 4, 2021
    Publication date: July 1, 2021
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Publication number: 20210139536
    Abstract: The present invention relates to compounds of formula (I), compositions, methods and uses involving the said formula (I) that inhibit CD47 signaling pathway. The present invention also relates to methods of making such compounds and their uses for the treatment of diseases or disorders mediated by CD47.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli, Chennakrishnareddy Gundala
  • Patent number: 10961205
    Abstract: The present invention relates to methods of modulating an immune response mediated by a PD-1 signaling pathway and of treating a cancer or an infectious disease. A subject is administered a compound(s) or a pharmaceutically acceptable salt or pharmaceutically acceptable composition thereof of formula (I) In the ring Q is S or O. R1 substituents are an optionally substituted side chain of the amino acid Ser or Thr and R3 substituents are a side chain of the amino acids Asn, Asp, Gln, or Glu. R2 is hydrogen or —CO-Aaa and Aaa is Thr or Ser with a free, amidated or esterified C-terminus. R4 and R5 are independently hydrogen or absent. R6 is hydrogen, alkyl or acyl.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: March 30, 2021
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • 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
  • Publication number: 20200368210
    Abstract: The present disclosure relates to 3-substituted 1,2,4-oxadiazole compounds and their derivatives, which are useful as T-cell immunoglobulin and mucin-domain containing-3 (TIM-3) inhibitors or as dual inhibitors of TIM-3 and the programmed cell death 1 (PD-1) signaling pathway. The disclosure also relates to treatment of disorders by inhibiting an immunosuppressive signal induced by TIM-3, PD-1, PD-L1, and/or PD-L2.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 26, 2020
    Inventors: Pottayil Govindan N. Sasikumar, Muralidhara Ramachandra, Seetharamaiah Sethy S. Naremaddepalli, Nagaraj Gowda
  • Publication number: 20200361880
    Abstract: The present invention relates to 1,2,4-oxadiazole and thiadiazole compounds of formula (1) and their use to inhibit the programmed cell death 1 (PD1) signaling pathway and/or for treatment of disorders by inhibiting an immunosuppressive signal induced by PD-1, PD-L1 or PD-L2.
    Type: Application
    Filed: August 1, 2020
    Publication date: November 19, 2020
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan N. Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Patent number: 10781189
    Abstract: The present invention relates to 1,2,4-oxadiazole compounds of formula (I) and their use to inhibit the programmed cell death 1 (PD-1) signaling pathway and/or for treatment of disorders by inhibiting an immunosuppressive signal induced by PD-1, PD-L1 or PD-L2.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: September 22, 2020
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Publication number: 20200289477
    Abstract: The present disclosure relates to methods comprising administering compounds that inhibit VISTA and PD-1 (e.g., PD-1, PD-L1, or PD-L2) pathways with a compound that inhibits TIM-3 and PD-1 (e.g., PD-1, PD-L1, or PD-L2) pathways. The disclosure also relates to treatment of disorders by inhibiting an immunosuppressive signal induced by VISTA, TIM-3, PD-1, PD-L1, and/or PD-L2.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 17, 2020
    Inventors: Pottayil Govindan N. Sasikumar, Muralidhara Ramachandra, Raghuveer K. Ramachandra, Adam S. Lazorchak, Timothy L. Wyant
  • Publication number: 20200199086
    Abstract: The present invention relates to methods of modulating an immune response mediated by a PD-1 signaling pathway and of treating a cancer or an infectious disease. A subject is administered a compound(s) or a pharmaceutically acceptable salt or pharmaceutically acceptable composition thereof of formula (I) In the ring Q is S or O. R1 substituents are an optionally substituted side chain of the amino acid Ser or Thr and R3 substituents are a side chain of the amino acids Asn, Asp, Gln, or Glu. R2 is hydrogen or —CO-Aaa and Aaa is Thr or Ser with a free, amidated or esterified C-terminus. R4 and R5 are independently hydrogen or absent. R6 is hydrogen, alkyl or acyl.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Publication number: 20200147054
    Abstract: The present invention relates to a composition of a CD47-SIRP? blocking agent and one or more anti-cancer agent(s), where the CD47-SIRP? blocking agents are represented by a compound of formula (I). The present invention also relates to a method of treating a cancer in a subject by administering a therapeutically effective amount of a CD47-SIRP? blocking agent represented by formula (I) in combination with one or more anti-cancer agent(s).
    Type: Application
    Filed: November 8, 2019
    Publication date: May 14, 2020
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Muralidhara Ramachandra, Pottayil Govindan Nair Sasikumar, Girish Chandrappa Daginakatte, Kiran Aithal Balkudru
  • Patent number: 10590093
    Abstract: The present invention relates to methods of modulating an immune response mediated by a PD-1 signaling pathway and of treating a cancer or an infectious disease. A subject is administered a compound(s) or a pharmaceutically acceptable salt or pharmaceutically acceptable composition thereof of formula (I) In the ring Q is S or O. R1 substituents are an optionally substituted side chain of the amino acid Ser or Thr and R3 substituents are a side chain of the amino acids Asn, Asp, Gln, or Glu. R2 is hydrogen or —CO-Aaa and Aaa is Thr or Ser with a free, amidated or esterified C-terminus. R4 and R5 are independently hydrogen or absent. R6 is hydrogen, alkyl or acyl.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 17, 2020
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Publication number: 20200061030
    Abstract: The present disclosure relates to 3-substituted 1,2,4-oxadiazole compounds and their derivatives, which are useful as V-domain immunoglobulin suppressor of T-cell activation (VISTA) inhibitors or as dual inhibitors of VISTA and the programmed cell death 1 (PD-1) signaling pathway. The disclosure also relates to treatment of disorders by inhibiting an immunosuppressive signal induced by VISTA and its ligands, PD-1, PD-L1, and/or PD-L2.
    Type: Application
    Filed: October 18, 2017
    Publication date: February 27, 2020
    Inventors: Pottayil Govindan N. Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty S. Naremaddepalli
  • Publication number: 20190218252
    Abstract: The present invention relates to compounds of formula (I), compositions, methods and uses involving the said formula (I) that inhibit CD47 signaling pathway. The present invention also relates to methods of making such compounds and their uses for the treatment of diseases oR disorders mediated by CD47.
    Type: Application
    Filed: January 11, 2019
    Publication date: July 18, 2019
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli, Chennakrishnareddy Gundala
  • Publication number: 20190144402
    Abstract: The present invention relates to methods of modulating an immune response mediated by a PD-1 signaling pathway and of treating a cancer or an infectious disease. A subject is administered a compound(s) or a pharmaceutically acceptable salt or pharmaceutically acceptable composition thereof of formula (I) In the ring Q is S or O. R1 substituents are an optionally substituted side chain of the amino acid Ser or Thr and R3 substituents are a side chain of the amino acids Asn, Asp, Gln, or Glu. R2 is hydrogen or —CO-Aaa and Aaa is Thr or Ser with a free, amidated or esterified C-terminus. R4 and R5 are independently hydrogen or absent. R6 is hydrogen, alkyl or acyl.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 16, 2019
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Patent number: 10173989
    Abstract: The present invention relates to synthetic methods for 1,2,4-oxadiazole compounds. The general synthetic scheme is: R1 represents ?CH2OtBu or ?CH(CH3)OtBu, R3 represents ?CH2C(O)NHCPh3, ?CH2CH2C(O)NHCPh3, ?CH2C(O)OtBu, or ?CH2CH2C(O)OtBu, and Aaa is an amino acid residue selected from Thr and Ser; wherein the C-terminus thereof is esterified, and wherein the hydroxy moiety of the side chain of Thr or Ser is substituted with tbutyl; the base is triethylamine; and the solvent is tetrahydrofuran.
    Type: Grant
    Filed: September 24, 2017
    Date of Patent: January 8, 2019
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Patent number: 10160736
    Abstract: The present invention relates to synthetic methods for 1,3,4-oxadiazole and 1,3,4-thiadiazole compounds. The general synthetic scheme is: R1 substituents are —CH2OH, —CH(CH3)OH, —CH2Ph, —CH3, or —CH2C(O)NH2 optionally substituted with alkyl or aralkyl. R3 substituents are —CH2OH, —CH3, —CH2CH2C(O)OH, —CH2CH2C(O)NH2, —CH2C(O)NH2, or —CH2C(O)OH, wherein the carboxylic acids and amides are optionally substituted with alkyl or aralkyl.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: December 25, 2018
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Patent number: 10106581
    Abstract: Methods of making a compound according to the following scheme: wherein: R1 is a side chain of an amino acid residue selected from Ala, Ser, Thr and Leu; R2 is a side chain of an amino acid residue selected from Asp, Glu, Gln and Asn; [Aaa] is an amino acid residue selected from Ser, Asp, Ala, Ile, Phe, Trp, Lys, Glu and Thr; R3 is hydrogen or alkyl; Each of R4 and R4? independently is hydrogen or alkyl; Both Ra and Ra? are hydrogen; or together are an oxo(?O) group; Both Rb and Rb? are hydrogen; or together are an oxo (?O) group; L is X is CH2, O or S; R5 is hydrogen or alkyl; m is an integer from 1 to 3; and n is an integer from 2 to 20.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: October 23, 2018
    Assignee: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli
  • Publication number: 20180086726
    Abstract: The present invention relates to synthetic methods for 1,3,4-oxadiazole and 1,3,4-thiadiazole compounds. The general synthetic scheme is: R1 substituents are —CH2OH, —CH(CH3)OH, —CH2Ph, —CH3, or —CH2C(O)NH2 optionally substituted with alkyl or aralkyl. R3 substituents are —CH2OH, —CH3, —CH2CH2C(O)OH, —CH2CH2C(O)NH2, —CH2C(O)NH2, or —CH2C(O)OH, wherein the carboxylic acids and amides are optionally substituted with alkyl or aralkyl.
    Type: Application
    Filed: October 2, 2017
    Publication date: March 29, 2018
    Applicant: Aurigene Discovery Technologies Limited
    Inventors: Pottayil Govindan Nair Sasikumar, Muralidhara Ramachandra, Seetharamaiah Setty Sudarshan Naremaddepalli