Patents by Inventor Zhengxian Gu

Zhengxian Gu 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: 20240043422
    Abstract: Compounds that selectively inhibit pathological production of human vascular endothelial growth factor (VEGF) and compositions comprising such Compounds are described. Compounds that inhibit viral replication or the production of viral RNA or DNA or viral protein and compositions comprising such Compounds are described. Also described are methods of reducing VEGF using such Compounds and methods for treating cancer and non-neoplastic conditions involving the administration of such Compounds. Further described are methods of inhibiting viral replication or the production of viral RNA or DNA or viral protein using such Compounds and methods for treating viral infections, involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Application
    Filed: March 24, 2023
    Publication date: February 8, 2024
    Applicant: PTC Therapeutics, Inc.
    Inventors: Jason D. Graci, Zhengxian Gu
  • Patent number: 11613538
    Abstract: Compounds that inhibit viral replication or the production of viral RNA or DNA or viral protein and compositions comprising such Compounds are described. Also described are methods of inhibiting or reducing viral replication or the production of viral RNA or DNA or viral protein using such Compounds, and methods for treating viral infections, such as an RNA virus belonging to the family Coronaviridae, involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 28, 2023
    Assignee: PTC Therapeutics, Inc.
    Inventors: Jason Graci, Zhengxian Gu
  • Publication number: 20200317668
    Abstract: Compounds that inhibit viral replication or the production of viral RNA or DNA or viral protein and compositions comprising such Compounds are described. Also described are methods of inhibiting or reducing viral replication or the production of viral RNA or DNA or viral protein using such Compounds, and methods for treating viral infections, such as an RNA virus belonging to the family Coronaviridae, involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Inventors: Jason Graci, Zhengxian Gu
  • Patent number: 9351964
    Abstract: Compounds, such as compounds of Formula (I), that selectively inhibit pathological production of human vascular endothelial growth factor (VEGF) and compositions comprising such Compounds are described. Compounds that inhibit viral replication or the production of viral RNA or DNA or viral protein and compositions comprising such Compounds are described. Also described are methods of reducing VEGF using such Compounds and methods for treating cancer and non-neoplastic conditions involving the administration of such Compounds. Further described are methods of inhibiting viral replication or the production of viral RNA or DNA or viral protein using such Compounds and methods for treating viral infections involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: May 31, 2016
    Assignee: PTC Therapeutics, Inc.
    Inventors: Neil Almstead, Tamil Arasu, Soongyu Choi, Liangxian Cao, Jeffrey Allen Campbell, Donald Corson, Thomas W. Davis, Jason D. Graci, Zhengxian Gu, Peter Seongwoo Hwang, William Lennox, Harry H. Miao, Langdon Miller, Young-Choon Moon, Hongyan Qi, Christopher Trotta, Marla L. Weetall
  • Patent number: 9198907
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: December 1, 2015
    Assignee: PTC Therapeutics, Inc.
    Inventors: Frederick C. Lahser, Zhengxian Gu
  • Patent number: 8927576
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: January 6, 2015
    Assignee: PTC Therpeutics, Inc.
    Inventor: Zhengxian Gu
  • Patent number: 8841302
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: September 23, 2014
    Assignee: PTC Therapeutics, Inc.
    Inventors: Frederick C. Lahser, Zhengxian Gu
  • Publication number: 20130171103
    Abstract: Compounds that selectively inhibit viral replication or the production of viral RNA or DNA, viral protein or virus induced cytopathic effects and compositions comprising such Compounds are described. Also described are methods of inhibiting viral replication or the production of viral RNA or DNA, viral protein or virus induced cytopathic effects using such Compounds and methods for treating viral infections involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Application
    Filed: May 26, 2011
    Publication date: July 4, 2013
    Applicant: PTC Therapeutics, Inc.
    Inventors: Thomas Davis, Jason D. Graci, Zhengxian Gu, Christopher Trotta
  • Publication number: 20120202763
    Abstract: Compounds that selectively inhibit pathological production of human vascular endothelial growth factor (VEGF) and compositions comprising such Compounds are described. Compounds that inhibit viral replication or the production of viral RNA or DNA or viral protein and compositions comprising such Compounds are described. Also described are methods of reducing VEGF using such Compounds and methods for treating cancer and non-neoplastic conditions involving the administration of such Compounds. Further described are methods of inhibiting viral replication or the production of viral RNA or DNA or viral protein using such Compounds and methods for treating viral infections involving the administration of such Compounds. The Compounds may be administered as a single agent therapy or in combination with one or more additional therapies to a human in need of such treatments.
    Type: Application
    Filed: May 27, 2010
    Publication date: August 9, 2012
    Applicant: PTC THERAPEUTICS, INC
    Inventors: Neil Almstead, Tamil Arasu, Soongyu Choi, Liangxian Cao, Jeffrey Allen Campbelll, Donald Corson, Thomas W. Davis, Jason D. Graci, Zhengxian Gu, Peter Seong Woo Hwang, William Lennox, Harry H. Miao, Langdon Miller, Young-Choon Moon, Hongyan Qi, Christopher Trotta, Marla L. Weetall
  • Publication number: 20120087893
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Application
    Filed: April 5, 2010
    Publication date: April 12, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Frederick C. Lahser, Zhengxian Gu
  • Publication number: 20120070412
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Application
    Filed: April 5, 2010
    Publication date: March 22, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Frederick C. Lahser, Zhengxian Gu
  • Publication number: 20120027721
    Abstract: The present invention is directed to a combination product for treating or ameliorating hepatitis C virus (HCV) infection or disorders or symptoms associated therewith in a subject in need thereof comprising, a HCV inhibitor and one or more therapeutic agents selected from either or both a HCV protease inhibitor and one or more different therapeutic agents administered in combination in an effective amount to the subject.
    Type: Application
    Filed: April 6, 2010
    Publication date: February 2, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventor: Zhengxian Gu
  • Publication number: 20120009142
    Abstract: In accordance with the present invention, compounds that inhibit viral replication, preferably Hepatitis C Virus (HCV) replication, have been identified, and methods for their use provided. In one aspect of the invention, compounds useful in the treatment or prevention of a viral infection are provided. In another aspect of the invention, compounds useful in the treatment or prevention of HCV infection are provided.
    Type: Application
    Filed: June 13, 2011
    Publication date: January 12, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Christine Espiritu, Concetta Freund, Zhengxian Gu, Takashi Komatsu
  • Patent number: 8013006
    Abstract: In accordance with the present invention, compounds that inhibit viral replication, preferably Hepatitis C Virus (HCV) replication, have been identified, and methods for their use provided. In one aspect of the invention, compounds useful in the treatment or prevention of a viral infection are provided. In another aspect of the invention, compounds useful in the treatment or prevention of HCV infection are provided.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: September 6, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Christine Espiritu, Concetta Freund, Zhengxian Gu, Takashi Komatsu
  • Patent number: 6887879
    Abstract: In accordance with the present invention there is provided a pharmaceutical combination useful for the treatment of viral infections comprising a at least one antiviral active compound of formula (1): and at least one further therapeutic agent chosen from nucleoside analogues; NNRTIs; and protease inhibitors.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: May 3, 2005
    Assignee: Shire BioChem Inc.
    Inventors: Robert F. Rando, Zhengxian Gu
  • Publication number: 20030045534
    Abstract: In accordance with the present invention there is provided a pharmaceutical combination useful for the treatment of viral infections comprising a at least one antiviral active compound of formula (1) 1
    Type: Application
    Filed: May 16, 2002
    Publication date: March 6, 2003
    Applicant: Shire BioChem Inc.
    Inventors: Robert F. Rando, Zhengxian Gu
  • Patent number: 6511983
    Abstract: In accordance with the present invention there is provided a pharmaceutical combination useful for the treatment of viral infections comprising a at least one antiviral active compound of formula (1): and at least one further therapeutic agent chosen from nucleoside analogues; NNRTIs; and protease inhibitors.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: January 28, 2003
    Assignee: BioChem Pharma Inc.
    Inventors: Robert Rando, Zhengxian Gu