Patents by Inventor Guizhen Dong

Guizhen Dong 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: 10925876
    Abstract: Provided are methods for treating or preventing a fibrotic disease selected from systemic sclerosis, cystic fibrosis, non-alcoholic steatohepatitis, Peyronie's disease, or interstitial lung disease; the method comprising administering a therapeutically effective amount of a compound of Formula (I) (wherein R1, R2, R3, R4, and R5 are as herein described) or a pharmaceutically acceptable salt thereof, to a patient in need of such therapy.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 23, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Raphaelle Berger, Guizhen Dong, Subharekha Raghavan, Zhiqiang Yang
  • Patent number: 10786488
    Abstract: The present invention relates to Substituted Quinolizine Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1 is as defined herein. The present invention also relates to compositions comprising at least one Substituted Quinolizine Derivative, and methods of using the Substituted Quinolizine Derivatives for treating or preventing HIV infection in a subject.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: September 29, 2020
    Assignee: MERCK SHARP & DOHME CORP.
    Inventors: Tao Yu, John A. McCauley, Alan Whitehead, James M. Apgar, Izzat T. Raheem, Guizhen Dong, Sherman T. Waddell, Hong Li
  • Publication number: 20190365727
    Abstract: The present invention relates to Substituted Quinolizine Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1 is as defined herein. The present invention also relates to compositions comprising at least one Substituted Quinolizine Derivative, and methods of using the Substituted Quinolizine Derivatives for treating or preventing HIV infection in a subject.
    Type: Application
    Filed: January 23, 2018
    Publication date: December 5, 2019
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Tao Yu, John A. McCauley, Alan Whitehead, James M. Apgar, Izzat T. Raheem, Guizhen Dong, Sherman T. Waddell, Hong Li
  • Publication number: 20190282579
    Abstract: Provided are methods for treating or preventing a fibrotic disease selected from systemic sclerosis, cystic fibrosis, non-alcoholic steatohepatitis, Peyronie's disease, or interstitial lung disease; the method comprising administering a therapeutically effective amount of a compound of Formula (I) (wherein R1, R2, R3, R4, and R5 are as herein described) or a pharmaceutically acceptable salt thereof, to a patient in need of such therapy.
    Type: Application
    Filed: May 12, 2017
    Publication date: September 19, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Raphaelle Berger, Guizhen Dong, Subharekha Raghavan, Zhiqiang Yang
  • Patent number: 10322140
    Abstract: The present invention relates to bicyclic himbacine derivatives of the formula or a pharmaceutically acceptable salt thereof wherein: R1 is W is and the remaining variables are described herein. The compounds of the invention are effective inhibitors of the PAR-1 receptor. The inventive compounds may be used for the treatment or prophylaxis of disease states such as ASC, secondary prevention of myocardial infarction or stroke, or PAD.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 18, 2019
    Inventors: Zhiqiang Yang, Guizhen Dong, Milana Maletic
  • Publication number: 20180015106
    Abstract: The present invention relates to bicyclic himbacine derivatives of the formula or a pharmaceutically acceptable salt thereof wherein: R1 is W is and the remaining variables are described herein. The compounds of the invention are effective inhibitors of the PAR-1 receptor. The inventive compounds may be used for the treatment or prophylaxis of disease states such as ASC, secondary prevention of myocardial infarction or stroke, or PAD.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 18, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Zhiqiang Yang, Guizhen Dong, Milana Maletic
  • Patent number: 9822130
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: November 21, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Raphaelle Berger, Guizhen Dong, Subharekha Raghavan, Zhiqiang Yang
  • Patent number: 9796733
    Abstract: A compound of Formula II or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula II, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula II or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: October 24, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Brian T. Campbell, Guizhen Dong, Joie Garfunkle, Alexander Kim, Olga Ornoski, Dann L. Parker, Jr., Subharekha Raghavan, Libo Xu, Zhiquang Yang
  • Patent number: 9701669
    Abstract: The present invention relates to bicyclic himbacine derivatives of the formula or a pharmaceutically acceptable salt thereof wherein: R1 is —[C(Ra)(Rb)]x—[C(Rb)(Rb)]y—C(O)NH2, or —N(H)—[(CH2)]z—C(O)—NH2, W is and the remaining variables are described herein. The compounds of the invention are effective inhibitors of the PAR-1 receptor. The inventive compounds may be used for the treatment or prophylaxis of disease states such as ASC, secondary prevention of myocardial infarction or stroke, or PAD.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: July 11, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Zhiqiang Yang, Fengqi Zhang, Guizhen Dong, Sandra Lee Knowles, Milana Maletic
  • Publication number: 20170107236
    Abstract: A compound of Formula II or a pharmaceutically acceptable salt thereof, are capable of monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula II, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical preparations which comprise compounds of Formula II or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: April 20, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Brian T. Campbell, Guizhen Dong, Joie Garfunkle, Alexander Kim, Olga Ornoski, Dann L. Parker, JR., Subharekha Raghavan, Libo Xu, Zhiquang Yang
  • Publication number: 20170073355
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 19, 2015
    Publication date: March 16, 2017
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Raphaelle Berger, Guizhen Dong, Subharekha Raghavan, Zhiqiang Yang
  • Publication number: 20160200715
    Abstract: The present invention relates to bicyclic himbacine derivatives of the formula or a pharmaceutically acceptable salt thereof wherein: R1 is W is and the remaining variables are described herein. The compounds of the invention are effective inhibitors of the PAR-1 receptor. The inventive compounds may be used for the treatment or prophylaxis of disease states such as ASC, secondary prevention of myocardial infarction or stroke, or PAD.
    Type: Application
    Filed: August 18, 2014
    Publication date: July 14, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Zhiqiang Yang, Guizhen Dong, Milana Maletic
  • Publication number: 20160185764
    Abstract: The present invention relates to bicyclic himbacine derivatives of the formula or a pharmaceutically acceptable salt thereof wherein: R1 is —[C(Ra)(Rb)]x—[C(Rb)(Rb)]y—C(O)NH2, or —N(H)—[(CH2)]z—C(O)—NH2, W is and the remaining variables are described herein. The compounds of the invention are effective inhibitors of the PAR-1 receptor. The inventive compounds may be used for the treatment or prophylaxis of disease states such as ASC, secondary prevention of myocardial infarction or stroke, or PAD.
    Type: Application
    Filed: August 18, 2014
    Publication date: June 30, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Zhiqiang Yang, Fengqi Zhang, Guizhen Dong, Sandra Lee Knowles, Milana Maletic
  • Patent number: 9353101
    Abstract: Compounds having the structure of Formula I, including pharmaceutically acceptable salts of the compounds, are CETP inhibitors and may be useful for raising HDL-cholesterol and reducing LDL-cholesterol in human patients and for treating or preventing atherosclerosis.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: May 31, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: John J. Acton, III, Feng Ye, Petr Vachal, Deyou Sha, James F. Dropinski, Lin Chu, Debra Ondeyka, Alexander J. Kim, Vincent J. Colandrea, Yi Zang, Fengqi Zhang, Guizhen Dong
  • Publication number: 20160145272
    Abstract: A compound of Formula I or a pharmaceutically acceptable salt thereof, are capable of modulating the body's production of cyclic guanosine monophosphate (“cGMP”) and are generally suitable for the therapy and prophylaxis of diseases which are associated with a disturbed cGMP balance. The invention furthermore relates to processes for preparing compounds of Formula I, or a pharmaceutically acceptable salt thereof, for their use in the therapy and prophylaxis of the abovementioned diseases and for preparing pharmaceuticals for this purpose, and to pharmaceutical compositions which comprise compounds of Formula I or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Raphaelle Berger, Guizhen Dong, Subharekha Raghavan, Zhiqiang Yang
  • Patent number: 9221834
    Abstract: Compounds having the structure of Formula I, including pharmaceutically acceptable salts of the compounds, are CETP inhibitors and are useful for raising HDL-cholesterol, reducing LDL-cholesterol, and for treating or preventing atherosclerosis. In the compound of Formula I, A3 is a substituted phenyl group or indanyl group. Formula (I).
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: December 29, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Zhijian Lu, Yi-Heng Chen, Cameron Smith, Hong Li, Christopher F. Thompson, Julianne Hunt, Florida Kallashi, Ramzi Sweis, Peter Sinclair, Samantha E. Adamson, Guizhen Dong, Debra L. Ondeyka, Xiaoxia Qian, Wanying Sun, Petr Vachal, Kake Zhao
  • Publication number: 20150111866
    Abstract: Compounds having the structure of Formula I, including pharmaceutically acceptable salts of the compounds, are CETP inhibitors and may be useful for raising HDL-cholesterol and reducing LDL-cholesterol in human patients and for treating or preventing atherosclerosis.
    Type: Application
    Filed: April 26, 2013
    Publication date: April 23, 2015
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: John J. Acton, III, Feng Ye, Petr Vachal, Deyou Sha, James F. Dropinski, Lin Chu, Debra Ondeyka, Alexander J. Kim, Vincent J. Colandrea, Yi Zang, Fengqi Zhang, Guizhen Dong
  • Patent number: 8822467
    Abstract: The present invention provides biaryl oxyacetic acid compounds which may be useful for treating inflammatory disorders, including disorders affecting the respiratory system and skin.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: September 2, 2014
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Brian F. McGuinness, Koc-Kan Ho, Suresh Babu, Guizhen Dong, Jingqi Duo, Thuy X. H. Le, Kurt W. Saionz
  • Patent number: 8796258
    Abstract: Novel compounds of structural formula (I) are activators of AMP-protein kinase and are useful in the treatment, prevention and suppression of diseases mediated by the AMPK-activated protein kinase. The compounds of the present invention are useful in the treatment of Type 2 diabetes, hyperglycemia, metabolic syndrome, obesity, hypercholesterolemia, and hypertension.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: August 5, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Rajan Anand, James M. Apgar, Tesfaye Biftu, Ping Chen, Lin Chu, Vincent J. Colandrea, Guizhen Dong, James F. Dropinski, Danqing Feng, Jacqueline D. Hicks, Jinlong Jiang, Alexander J. Kim, Kenneth J. Leavitt, Bing Li, Xiaoxia Qian, Iyassu Sebhat, Lan Wei, Robert R. Wilkening, Zhicai Wu
  • Publication number: 20130331372
    Abstract: Compounds having the structure of Formula I, including pharmaceutically acceptable salts of the compounds, are CETP inhibitors and are useful for raising HDL-cholesterol, reducing LDL-cholesterol, and for treating or preventing atherosclerosis. In the compound of Formula I, A3 is a substituted phenyl group or indanyl group. Formula (I).
    Type: Application
    Filed: October 25, 2011
    Publication date: December 12, 2013
    Inventors: Zhijian Lu, Yi-Heng Chen, Cameron Smith, Hong Li, Christopher F. Thompson, Julianne Hunt, Florida Kallashi, Ramzi Sweis, Peter Sinclair, Samantha E. Adamson, Guizhen Dong, Debra L. Ondeyka, Xiaoxia Qian, Wanying Sun, Petr Vachal, Kake Zhao