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).

  • 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: 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: 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: 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: 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: 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
  • Publication number: 20180354955
    Abstract: The present invention is directed to 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: June 6, 2018
    Publication date: December 13, 2018
    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
  • Patent number: 10072003
    Abstract: The present invention provides quinoline carboxamide and quinoline carbonitrile compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, R2, L, X1, X2, and X3, are as defined herein. The compounds of the invention, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising them, are useful as non-competitive mGluR2 antagonists, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a person in need thereof for diseases or disorders in which the mGluR2-NAM receptor plays a causative role, such as Alzheimer's disease, cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: September 11, 2018
    Inventors: Ashok Arasappan, Christopher James Bungard, Jessica L. Frie, Yongxin Han, Scott B. Hoyt, Peter J. Manley, Robert S. Meissner, James J. Perkins, Iyassu K. Sebhat, Robert R. Wilkening, Kenneth J. Leavitt
  • Publication number: 20180085358
    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: Application
    Filed: September 25, 2017
    Publication date: March 29, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Iyassu K. Sebhat, Ashok Arasappan, Scott B. Hoyt, Robert R. Wilkening, Duane DeMong
  • Patent number: 9868733
    Abstract: Novel compounds of the structural formula (I) are activators of AMP-protein kinase and may be useful in the treatment, prevention and suppression of diseases mediated by the AMPK-activated protein kinase. The compounds of the present invention may be useful in the treatment of Type 2 diabetes, hyperglycemia, metabolic syndrome, obesity, hypercholesterolemia, and hypertension.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: January 16, 2018
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: James M. Apgar, Tesfaye Biftu, Ping Chen, Danqing Feng, Jacqueline D. Hicks, Ahmet Kekec, Kenneth J. Leavitt, Bing Li, Iyassu Sebhat, Xiaoxia Qian, Lan Wei, Robert R. Wilkening, Zhicai Wu, Ashok Arasappan
  • Publication number: 20170305902
    Abstract: The present invention provides quinoline carboxamide and quinoline carbonitrile compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, R2, L, X1, X2, and X3, are as defined herein. The compounds of the invention, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising them, are useful as non-competitive mGluR2 antagonists, or mGluR2 negative allosteric modulators (NAMs), and may be useful in methods of treating a person in need thereof for diseases or disorders in which the mGluR2-NAM receptor plays a causative role, such as Alzheimer's disease, cognitive impairment, schizophrenia and other mood disorders, pain disorders and sleep disorders.
    Type: Application
    Filed: August 24, 2015
    Publication date: October 26, 2017
    Applicants: Merck Sharp & Dohme Corp., Merck Canada Inc.
    Inventors: Ashok Arasappan, Christopher James Bungard, Jessica L. Frie, Yongxin Han, Scott B. Hoyt, Peter J. Manley, Robert S. Meissner, James J. Perkins, Iyassu K. Sebhat, Robert R. Wilkening, Kenneth J. Leavitt
  • Patent number: 9650375
    Abstract: Novel compounds of the structural formula (I) are activators of AMP-protein kinase and may be useful in the treatment, prevention and suppression of diseases mediated by the AMPK-activated protein kinase. The compounds of the present invention may be useful in the treatment of Type 2 diabetes, hyperglycemia, metabolic syndrome, obesity, hypercholesterolemia, and hypertension.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 16, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: John J. Acton, III, Rajan Anand, Ashok Arasappan, Qun Dang, Iyassu Sebhat, Zhifa Pu, Takao Suzuki
  • Patent number: 9556193
    Abstract: The novel benzimidazole hexahydrofuro[3,2-B]furan derivatives of the present invention are activators of AMP-protein kinase and may be useful in the treatment, prevention and suppression of diseases mediated by the AMPK-activated protein kinase. The compounds of the present invention may be useful in the treatment of Type 2 diabetes, hyperglycemia, metabolic syndrome, obesity, hypercholesterolemia, and hypertension.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 31, 2017
    Assignee: Merck Shapr & Dohme Corp.
    Inventors: James M. Apgar, Ashok Arasappan, Tesfaye Biftu, Ping Chen, Danqing Feng, Erin Guidry, Jacqueline Hicks, Ahmet Kekec, Kenneth J. Leavitt, Bing Li, Iyassu Sebhat, Xiaoxia Qian, Lan Wei, Robert R. Wilkening, Zhicai Wu
  • Patent number: 9433621
    Abstract: The present invention provides compounds of Formula (I): and tautomers, isomers, and esters of said compounds, and pharmaceutically acceptable salts, solvates, and prodrugs of said compounds, wherein each of R, R1, X, Y, Z, R2, R3, R4, R5, R6, R7, R8, R9, R18, R19 and n is selected independently and as defined herein. Compositions comprising such compounds are also provided. The compounds of the invention are effective as inhibitors of HCV, and are useful, alone and together with other therapeutic agents, in treating or preventing diseases or disorders such as viral infections and virus-related disorders.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: September 6, 2016
    Assignees: Merck Sharp & Dohme Corp., Southern Research Institute
    Inventors: Ashok Arasappan, F. George Njoroge, Cecil D. Kwong, Subramaniam Ananthan, Frank Bennett, Francisco Velazquez, Vinay M. Girijavallabhan, Yuhua Huang, Hollis S. Kezar, III, Joseph A. Maddry, Robert C. Reynolds, Abhijit Roychowdhury, Anita T. Fowler, John A. Secrist, III, Joseph A. Kozlowski, Bandarpalle B. Shankar, Ling Tong, Seong Heon Kim, Malcolm MacCoss, Srikanth Venkatraman, Vishal Verma