Patents Assigned to Enanta Pharmaceuticals
  • Patent number: 8846638
    Abstract: The present invention provides nucleoside phosphoramidate compounds of Formula I, where R1, R2a, R2b, R3, R4, R5a, R5b, R6, R7, R8a, R8b, M and W are as defined herein. The invention further includes pharmaceutical compositions comprising a compound of Formula I, methods of use of these compounds for treating a viral infection, and methods of producing these compounds.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: September 30, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Jun Ma, Guoqiang Wang
  • Patent number: 8822700
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with the compounds.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: September 2, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Ce Wang, Lu Ying, Xiaowen Peng, Yat Sun Or
  • Patent number: 8815928
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with the compounds.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: August 26, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Lu Ying, Xiaowen Peng, Ce Wang, Yao-Ling Qiu
  • Patent number: 8809264
    Abstract: The present invention relates to compounds, including compounds of Formula I, or a pharmaceutically acceptable salt, ester, or prodrug, thereof: which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: August 19, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Deqiang Niu, Dong Liu, Joel D. Moore, Guoyou Xu, Ying Sun, Yonghua Gai, Datong Tang, Yat Sun Or, Zhe Wang
  • Publication number: 20140219958
    Abstract: In one aspect, the invention provides compounds represented by Formula I, and pharmaceutically acceptable salts, esters, stereoisomers, tautomers, solvates, and combinations thereof, pharmaceutical compositions comprising these compounds and the use of these compounds for treating a viral infection in a subject.
    Type: Application
    Filed: January 31, 2014
    Publication date: August 7, 2014
    Applicant: ENANTA PHARMACEUTICALS, INC.
    Inventors: Jay R. Luly, Jun Ma, Guoqiang Wang, Yat Sun Or
  • Patent number: 8785377
    Abstract: The present invention relates to compounds of Formula I, II, III or IV, or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising a compound of the present invention.
    Type: Grant
    Filed: January 18, 2008
    Date of Patent: July 22, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Ying Sun, Dong Liu, Yat Sun Or, Zhe Wang
  • Patent number: 8785487
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof: Q-G-A-L-B—W??(I), which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: July 22, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Hui Cao, Yat Sun Or
  • Patent number: 8778938
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the Hepatitis C Virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the Hepatitis C Virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: July 15, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Ce Wang, Hui Cao, Xiaowen Peng, Datong Tang, Yat Sun Or
  • Publication number: 20140193363
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 10, 2014
    Applicant: ENANTA PHARMACEUTICALS, INC.
    Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Yat Sun Or
  • Publication number: 20140194350
    Abstract: The present invention discloses compounds of Formula I or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: January 2, 2014
    Publication date: July 10, 2014
    Applicant: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Jun Ma, Guoqiang Wang, Jiang Long, Bin Wang
  • Publication number: 20140187780
    Abstract: The present invention discloses compounds of formula I, II or X, or pharmaceutically acceptable salts, esters, or prodrugs thereof: which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.
    Type: Application
    Filed: December 24, 2013
    Publication date: July 3, 2014
    Applicant: Enanta Pharmaceuticals, Inc.
    Inventors: In Jong Kim, Tongzhu Liu, Jiang Long, Guoqiang Wang, Yao-Ling Qiu, Heejin Kim, Yanchun Wang, Ly Tam Phan, Yat Sun Or
  • Publication number: 20140187793
    Abstract: The present invention relates generally to an improved process for the preparation of 5-azaspiro[2.4]heptane-6-carboxylic acid and its derivatives which are useful intermediates in the synthesis of biologically active molecules, especially in the synthesis of hepatits C virus NS5A inhibitors.
    Type: Application
    Filed: November 18, 2013
    Publication date: July 3, 2014
    Applicant: ENANTA PHARMACEUTICALS, INC.
    Inventors: Yao-Ling Qiu, Xiaowen Peng, In Jong Kim, Hui Cao, Datong Tang, Yat Sun Or, Guoqiang Wang, Guoyou Xu
  • Patent number: 8759332
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with the compounds.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: June 24, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Yat Sun Or
  • Publication number: 20140154208
    Abstract: The present invention relates to novel cyclosporine analogues having antiviral activity against HCV and useful in the treatment of HCV infections. More particularly, the invention relates to novel cyclosporine analogue compounds, compositions containing such compounds and methods for using the same, as well as processes for making such compounds.
    Type: Application
    Filed: November 27, 2013
    Publication date: June 5, 2014
    Applicant: ENANTA PHARMACEUTICALS, INC.
    Inventors: Yat Sun Or, In Jong Kim, Jiang Long, Lijuan Jiang, Sheng Sean Liu, Guoqiang Wang
  • Publication number: 20140148573
    Abstract: The present invention relates to novel macrocyclic compounds and methods of treating a hepatitis C infection in a subject in need of such therapy with said macrocyclic compounds. The present invention further relates to pharmaceutical compositions comprising the compounds of the present invention, or pharmaceutically acceptable salts, esters, or prodrugs thereof, in combination with a pharmaceutically acceptable carrier or excipient.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicants: Enanta Pharmaceuticals, Inc., AbbVie, Inc.
    Inventors: Yiyin Ku, Keith F. McDaniel, Hui-Ju Chen, Jason P. Shanley, Dale J. Kempf, David J. Grampovnik, Ying Sun, Dong Liu, Yonghua Gai, Yat Sun Or, Seble H. Wagaw, Kenneth Engstrom, Tim Grieme, Ahmad Sheikh, Jianzhang Mei
  • Publication number: 20140135485
    Abstract: The present invention discloses compounds of formula I, or pharmaceutically acceptable salts, esters, or prodrugs thereof: which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.
    Type: Application
    Filed: October 7, 2013
    Publication date: May 15, 2014
    Applicant: ENANTA PHARMACEUTICALS, INC.
    Inventors: Yat Sun Or, Guoqiang Wang, Ly Tam Phan, Dequiang Niu, Nha Huu Vo, Yao-Ling Qiu, Yanchun Wang, Marina V. Busuek, Ying Hou, Yulin Peng, Heejin Kim, Tongzhu Liu, Jay Judson Farmer, Guoyou Xu
  • Patent number: 8703938
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with the compounds.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 22, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yat Sun Or, Ce Wang, Lu Ying, Xiaowen Peng, Yao-Ling Qiu
  • Patent number: 8697704
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: April 15, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xiaowen Peng, Ce Wang, Yat Sun Or
  • Patent number: 8685917
    Abstract: The present invention provides novel cyclosporin analogue compounds, pharmaceutical compositions comprising these compounds and methods of using these compounds for the treatment of disorders and diseases, including immune disorders, inflammatory disorders and viral infections.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: April 1, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Xuri Gao, Yat Sun Or, Guoqiang Wang, Jiang Long
  • Patent number: 8673954
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: March 18, 2014
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Yat Sun Or