Patents by Inventor Xiaowen Peng
Xiaowen Peng 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: 20190216808Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: November 29, 2018Publication date: July 18, 2019Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Xiaowen Peng, Meizhong Jin, Jorden Kass, Xuri Gao, Yat Sun Or
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Publication number: 20190177320Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: December 5, 2018Publication date: June 13, 2019Inventors: Yao-Ling Qiu, Xuri Gao, Xiaowen Peng, Wei Li, Jorden Kass, Hui Cao, Byung-Chul Suh, Yat Sun Or
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Publication number: 20190177316Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: December 5, 2018Publication date: June 13, 2019Inventors: Yao-Ling Qiu, Xiaowen Peng, Jorden Kass, Xuri Gao, Wei Li, Hui Cao, Byung-Chul Suh, Yat Sun Or
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Patent number: 10301255Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A1-Y-A2-Z-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: July 21, 2016Date of Patent: May 28, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xuri Gao, Xiaowen Peng, Yat Sun Or
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Patent number: 10280175Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y—Z—R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: February 1, 2017Date of Patent: May 7, 2019Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yat Sun Or, Meizhong Jin, Jorden Kass, Hui Cao, Xuri Gao, Wei Li, Xiaowen Peng, Yao-Ling Qiu
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Publication number: 20190119288Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: December 14, 2018Publication date: April 25, 2019Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Wei Li, Jorden Kass, Xuri Gao, Meizhong Jin, Yat Sun Or
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Publication number: 20190084994Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: November 19, 2018Publication date: March 21, 2019Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
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Publication number: 20190060258Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: August 28, 2018Publication date: February 28, 2019Inventors: Yao-Ling Qiu, Xuri Gao, Jorden Kass, Hui Cao, Wei Li, Xiaowen Peng, Byung-Chul Suh, Yat Sun Or
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Patent number: 10189846Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: June 8, 2017Date of Patent: January 29, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Wei Li, Jorden Kass, Xuri Gao, Meizhong Jin, Yat Sun Or
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Patent number: 10179792Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: March 6, 2017Date of Patent: January 15, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
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Patent number: 10179131Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: July 13, 2016Date of Patent: January 15, 2019Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Xiaowen Peng, Meizhong Jin, Jorden Kass, Xuri Gao, Yat Sun Or
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Patent number: 10017499Abstract: 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: GrantFiled: October 31, 2016Date of Patent: July 10, 2018Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Yat Sun Or
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Publication number: 20170355701Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: June 8, 2017Publication date: December 14, 2017Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Wei Li, Jorden Kass, Xuri Gao, Meizhong Jin, Yat Sun Or
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Patent number: 9765087Abstract: 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: GrantFiled: April 4, 2014Date of Patent: September 19, 2017Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Hui Cao, Lu Ying, Xuri Gao, Bin Wang, Yat Sun Or
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Publication number: 20170253609Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: March 6, 2017Publication date: September 7, 2017Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
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Patent number: 9732110Abstract: The present invention discloses compounds of formula (I), or a pharmaceutically acceptable salt thereof: which inhibit, preventing or treating abnormal cellular proliferation and/or a viral infection, particularly by HIV, HCV or HBV. Consequently, the compounds of the present invention interfere with the replication cycle of a virus and are also useful as antiviral agents, or interfere with host cellular biochemical process and are also useful as antiproliferative agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from viral infection and/or cell proliferation. The invention also relates to methods of treating a viral infection and/or cell proliferation in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: December 4, 2015Date of Patent: August 15, 2017Assignee: Enanta Pharmaceuticals, Inc.Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Xuri Gao, Xiaowen Peng, Jorden Kass, Yat Sun Or
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Publication number: 20170217974Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-Z-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B 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 HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: ApplicationFiled: February 1, 2017Publication date: August 3, 2017Inventors: Yat Sun Or, Meizhong Jin, Jorden Kass, Hui Cao, Xuri Gao, Wei Li, Xiaowen Peng, Yao-Ling Qiu
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Patent number: 9676802Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof: Q-G-A-L-B—Z—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: GrantFiled: April 16, 2014Date of Patent: June 13, 2017Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Zhigang Chen, Yat Sun Or
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Patent number: 9675632Abstract: The present invention discloses compounds of formula (I), or a pharmaceutically acceptable salt thereof: which inhibit, preventing or treating abnormal cellular proliferation and/or a viral infection, particularly by HIV, HCV or HBV. Consequently, the compounds of the present invention interfere with the replication cycle of a virus and are also useful as antiviral agents, or interfere with host cellular biochemical process and are also useful as antiproliferative agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from viral infection and/or cell proliferation. The invention also relates to methods of treating a viral infection and/or cell proliferation in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.Type: GrantFiled: August 26, 2015Date of Patent: June 13, 2017Assignee: ENANTA PHARMACEUTICALS, INC.Inventors: Yao-Ling Qiu, Xiaowen Peng, Xuri Gao, Hui Cao, Yat Sun Or
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Publication number: 20170114046Abstract: 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: ApplicationFiled: October 31, 2016Publication date: April 27, 2017Inventors: Yao-Ling Qiu, Ce Wang, Xiaowen Peng, Lu Ying, Yat Sun Or