Patents by Inventor Ashok Arasappan

Ashok Arasappan 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: 11802122
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: October 31, 2023
    Assignee: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Christopher James Bungard, Christopher S. Burgey, Jason M. Cox, Michael J. Kelly, III, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Akshay A. Shah, Michael David VanHeyst, Zhe Wu
  • Publication number: 20230312528
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: June 5, 2023
    Publication date: October 5, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Christopher James Bungard, Christopher S. Burgey, Jason M. Cox, Michael J. Kelly, III, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Akshay A. Shah, Michael David VanHeyst, Zhe Wu
  • Publication number: 20230227441
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: June 14, 2021
    Publication date: July 20, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Christopher James Bungard, Christopher S. Burgey, Jason Michael Cox, Deodial Guy Guiadeen, III, Michael J. Kelly, III, Mark E. Layton, Hong Liu, Jian Liu, James T. Olsen, James J. Perkins, Jeffrey W. Schubert, Akshay A. Shah, Shawn J. Stachel, Michael David VanHeyst, Zhe Wu
  • Publication number: 20230227405
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: June 14, 2021
    Publication date: July 20, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Jason Michael Cox, Michael J. Kelly, III, Mark E. Layton, Hong Liu, Jian Liu, Akshay A. Shah, Michael David VanHeyst
  • Publication number: 20220380338
    Abstract: Novel compounds of structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of Formula I may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: May 5, 2022
    Publication date: December 1, 2022
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Jason M. Cox, Michael J. Kelly, III, Mark Eric Layton, Hong Liu, Jian Liu, Akshay A. Shah, Michael D. VanHeyst
  • Publication number: 20220289710
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 15, 2022
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Michael J. Breslin, Christopher James Bungard, Christopher S. Burgey, Harry R. Chobanian, Jason M. Cox, Anthony T. Ginnetti, Deodial Guy Guiadeen, Kristen L.G. Jones, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Shawn J. Stachel, Linda M. Suen-Lai, Zhe Wu
  • Publication number: 20220218676
    Abstract: The present invention provides certain substituted chromane, isochromane, and dihydroisobenzofuran compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein ring A is a moiety selected from: and ring B, n, R1, R2, R2A, R3, and R3A are as defined herein. The compounds of the invention are useful as mGluR2 inhibitors, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a patient for diseases or disorders in which the mGluR2-NAM receptor is involved, such as Alzheimer's disease, cognitive impairment, mild congnitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders, by administering to the patient a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 15, 2022
    Publication date: July 14, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Anthony S. Basile, Tjerk Johannes Helena Bueters, Michael F. Egan, Nancy Dohee Kim, Fiona Hamilton Marshall, Yuki Mukai, Arie Struyk, Jason Martin Uslaner
  • Patent number: 11377438
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: July 5, 2022
    Assignee: Merck Sharp & Dohme LLC
    Inventors: Ashok Arasappan, Ian M. Bell, Michael J. Breslin, Christopher James Bungard, Christopher S. Burgey, Harry R. Chobanian, Jason M. Cox, Anthony T. Ginnetti, Deodial Guy Guiadeen, Kristen L. G. Jones, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Shawn J. Stachel, Linda M. Suen-Lai, Zhe Wu
  • Publication number: 20220017525
    Abstract: The present invention is directed to cyclobutyl pyrazolopyrimidine compounds which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 20, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhuyan Guo, Zhong Lai, Dongfang Meng
  • Publication number: 20220017526
    Abstract: The present invention is directed to amino and alkyl pyrazolopyrimidine compounds which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 20, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhe Feng, Zhuyan Guo, Dongfang Meng
  • Publication number: 20210403457
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 30, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Ian M. Bell, Christopher James Bungard, Christopher S. Burgey, Jason M. Cox, Michael J. Kelly, III, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Akshay A. Shah, Michael David VanHeyst, Zhe Wu
  • Publication number: 20210387966
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 16, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Ian M. Bell, Michael J. Breslin, Christopher James Bungard, Christopher S. Burgey, Harry R. Chobanian, Jason M. Cox, Anthony T. Ginnetti, Deodial Guy Guiadeen, Kristen L. G. Jones, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Shawn J. Stachel, Linda M. Suen-Lai, Zhe Wu
  • Patent number: 11028092
    Abstract: The present invention is directed to pyrazolopyrimidine compounds of the general structural formula I: which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: June 8, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zahid Hussain, Derun Li, Dongfang Meng, Subharekha Raghavan
  • Patent number: 10934294
    Abstract: The present invention is directed to pyrazolopyrimidine compounds of the general structural formula I: which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 2, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Jason M. Cox, John S. Debenham, Zhuyan Guo, Jiafang He, Zahid Hussain, Zhong Lai, Derun Li, Dongfang Meng, Subharekha Raghavan, Sriram Tyagarajan
  • Publication number: 20210015800
    Abstract: The present invention provides certain substituted chromane, isochromane, and dihydroisobenzofuran compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein ring A is a moiety selected from: and ring B, n, R1, R2, R2A, R3, and R3A are as defined herein. The compounds of the invention are useful as mGuR2 inhibitors, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a patient for diseases or disorders in which the mGuR2-NAM receptor is involved, such as Alzheimer's disease, cognitive impairment, mild cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders, by administering to the patient a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 21, 2021
    Inventors: Ashok Arasappan, Anthony S. Basile, Tjerk Johannes Helena Bueters, Michael F. Eagan, Nancy Dohee Kim, Fiona Hamilton Marshall, Yuki Mukai, Arie Struyk, Jason Martin Uslaner
  • Patent number: 10806724
    Abstract: The present invention provides certain substituted chromane, isochromane, and dihydroisobenzofuran compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein ring A is a moiety selected from: and ring B, n, R1, R2, R2A, R3, and R3A are as defined herein. The compounds of the invention are useful as mGluR2 inhibitors, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a patient for diseases or disorders in which the mGluR2-NAM receptor is involved, such as Alzheimer's disease, cognitive impairment, mild cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders, by administering to the patient a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: October 20, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Iyassu K. Sebhat, Ashok Arasappan, Scott B. Hoyt, Robert R. Wilkening, Duane DeMong
  • Publication number: 20200140411
    Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 7, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok Arasappan, Ian M. Bell, Michael J. Breslin, Christopher James Bungard, Christopher S. Burgey, Harry R. Chobanian, Jason M. Cox, Anthony T. Ginnetti, Deodial Guy Guiadeen, Kristen L. G. Jones, Mark E. Layton, Hong Liu, Jian Liu, James J. Perkins, Shawn J. Stachel, Linda M. Suen-Lai, Zhe Wu
  • Publication number: 20200140445
    Abstract: The present invention is directed to pyrazolopyrimidine compounds of the general structural formula I: which may be useful as therapeutic agents for the treatment of disorders associated with phosphodiesterase 9 (PDE9). The present invention also relates to the use of such compounds for treating cardiovascular and cerebrovascular diseases, such as hypertension, chronic kidney disease and heart failure, and neurological and psychiatric disorders, such as schizophrenia, psychosis or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 7, 2020
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Ashok ARASAPPAN, Jason M. COX, John S. DEBENHAM, Zhuyan GUO, Jiafang HE, Zahid HUSSAIN, Zhong LAI, Derun LI, Dongfang MENG, Subharekha RAGHAVAN, Sriram TYAGARAJAN
  • Publication number: 20190247374
    Abstract: The present invention provides certain substituted chromane, isochromane, and dihydroisobenzofuran compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein ring A is a moiety selected from: and ring B, n, R1, R2, R2A, R3, and R3A are as defined herein. The compounds of the invention are useful as mGluR2 inhibitors, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a patient for diseases or disorders in which the mGluR2-NAM receptor is involved, such as Alzheimer's disease, cognitive impairment, mild congnitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders, by administering to the patient a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 15, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Iyassu K. Sebhat, Ashok Arasappan, Scott B. Hoyt, Robert R. Wilkening, Duane DeMong
  • Patent number: 10335399
    Abstract: The present invention provides certain substituted chromane, isochromane, and dihydroisobenzofuran compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein ring A is a moiety selected from: and ring B, n, R1, R2, R2A, R3, and R3A are as defined herein. The compounds of the invention are useful as mGluR2 inhibitors, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a patient for diseases or disorders in which the mGluR2-NAM receptor is involved, such as Alzheimer's disease, cognitive impairment, mild cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders, by administering to the patient a therapeutically effective amount of a compound of the invention, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 2, 2019
    Inventors: Iyassu K. Sebhat, Ashok Arasappan, Scott B. Hoyt, Robert R. Wilkening, Duane DeMong