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).
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Publication number: 20240043422Abstract: 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: ApplicationFiled: March 24, 2023Publication date: February 8, 2024Applicant: PTC Therapeutics, Inc.Inventors: Jason D. Graci, Zhengxian Gu
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Patent number: 11613538Abstract: 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: GrantFiled: June 23, 2020Date of Patent: March 28, 2023Assignee: PTC Therapeutics, Inc.Inventors: Jason Graci, Zhengxian Gu
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Publication number: 20200317668Abstract: 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: ApplicationFiled: June 23, 2020Publication date: October 8, 2020Inventors: Jason Graci, Zhengxian Gu
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Patent number: 9351964Abstract: 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: GrantFiled: May 27, 2010Date of Patent: May 31, 2016Assignee: 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
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Patent number: 9198907Abstract: 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: GrantFiled: April 5, 2010Date of Patent: December 1, 2015Assignee: PTC Therapeutics, Inc.Inventors: Frederick C. Lahser, Zhengxian Gu
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Patent number: 8927576Abstract: 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: GrantFiled: April 6, 2010Date of Patent: January 6, 2015Assignee: PTC Therpeutics, Inc.Inventor: Zhengxian Gu
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Patent number: 8841302Abstract: 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: GrantFiled: April 5, 2010Date of Patent: September 23, 2014Assignee: PTC Therapeutics, Inc.Inventors: Frederick C. Lahser, Zhengxian Gu
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Publication number: 20130171103Abstract: 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: ApplicationFiled: May 26, 2011Publication date: July 4, 2013Applicant: PTC Therapeutics, Inc.Inventors: Thomas Davis, Jason D. Graci, Zhengxian Gu, Christopher Trotta
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Publication number: 20120202763Abstract: 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: ApplicationFiled: May 27, 2010Publication date: August 9, 2012Applicant: PTC THERAPEUTICS, INCInventors: 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
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Publication number: 20120087893Abstract: 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: ApplicationFiled: April 5, 2010Publication date: April 12, 2012Applicant: PTC THERAPEUTICS, INC.Inventors: Frederick C. Lahser, Zhengxian Gu
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Publication number: 20120070412Abstract: 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: ApplicationFiled: April 5, 2010Publication date: March 22, 2012Applicant: PTC THERAPEUTICS, INC.Inventors: Frederick C. Lahser, Zhengxian Gu
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Publication number: 20120027721Abstract: 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: ApplicationFiled: April 6, 2010Publication date: February 2, 2012Applicant: PTC THERAPEUTICS, INC.Inventor: Zhengxian Gu
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Publication number: 20120009142Abstract: 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: ApplicationFiled: June 13, 2011Publication date: January 12, 2012Applicant: 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
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Patent number: 8013006Abstract: 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: GrantFiled: July 14, 2005Date of Patent: September 6, 2011Assignee: 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
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Patent number: 6887879Abstract: 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: GrantFiled: May 16, 2002Date of Patent: May 3, 2005Assignee: Shire BioChem Inc.Inventors: Robert F. Rando, Zhengxian Gu
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Publication number: 20030045534Abstract: 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) 1Type: ApplicationFiled: May 16, 2002Publication date: March 6, 2003Applicant: Shire BioChem Inc.Inventors: Robert F. Rando, Zhengxian Gu
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Patent number: 6511983Abstract: 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: GrantFiled: February 29, 2000Date of Patent: January 28, 2003Assignee: BioChem Pharma Inc.Inventors: Robert Rando, Zhengxian Gu