Patents by Inventor Yat Sun Or

Yat Sun Or 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: 20240325409
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the cellular entry of hepatitis B virus (HBV) and/or hepatitis D virus (HDV) or interfere with the function of the life cycle of HBV and/or HDV 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 and/or HDV infection. The invention also relates to methods of treating an HBV and/or HDV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: February 26, 2024
    Publication date: October 3, 2024
    Inventors: Sean RAFFERTY, Sourav GHORAI, Nathaniel Thomas KENTON, Peilin XU, Samuel BARTLETT, Scott MITCHELL, Joseph D. PANARESE, Yat Sun OR
  • Publication number: 20240327452
    Abstract: The present invention provides compounds represented by Formula I, or pharmaceutically acceptable salts, stereoisomers, solvates, hydrates or combination thereof, The invention also provides pharmaceutical compositions comprising these compounds and methods of using this compounds for treating FXR-mediated or TGR5-mediated diseases or conditions.
    Type: Application
    Filed: March 5, 2024
    Publication date: October 3, 2024
    Inventors: Guoqiang WANG, Yat Sun OR, Ruichao SHEN, Xuechao XING, Jiang LONG, Peng DAI, Brett GRANGER, Jing HE
  • Publication number: 20240327334
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 20, 2023
    Publication date: October 3, 2024
    Inventors: Xuri GAO, Bin WANG, Hui CAO, Jiajun ZHANG, Yuk Ming SIU, Jiang LONG, Wei LI, Matthew C. RHODES, Xuechao XING, Jianming YU, Scott MITCHELL, Yat Sun OR
  • Publication number: 20240262828
    Abstract: 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: Application
    Filed: December 18, 2023
    Publication date: August 8, 2024
    Inventors: Joseph D. PANARESE, Dexter DAVIS, Samuel BARTLETT, Katherine CHONG, Nathaniel Thomas KENTON, Yat Sun OR
  • Patent number: 12054493
    Abstract: 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: Grant
    Filed: January 7, 2021
    Date of Patent: August 6, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
  • Publication number: 20240228464
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts and esters thereof: which inhibit the Apoptosis signal-regulating kinase 1 (ASK-1), which is associated with autoimmune disorders, neurodegenerative disorders, inflammatory diseases, chronic kidney disease, cardiovascular disease. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from ASK-1 related disease. The invention also relates to methods of treating an ASK-1 related disease in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention specifically relates to methods of treating ASK-1 associated with hepatic steatosis, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).
    Type: Application
    Filed: October 26, 2023
    Publication date: July 11, 2024
    Inventors: Guoqiang Wang, Ruichao Shen, Brett Granger, Jing He, Xuechao Xing, Yong He, Jiang Long, Jun Ma, Bin Wang, Yat Sun Or
  • Publication number: 20240207224
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 15, 2023
    Publication date: June 27, 2024
    Inventors: Jiajun Zhang, Xuri Gao, Hui Cao, Yuk Ming Siu, Bin Wang, Jiang Long, Wei Li, Matthew C. Rhodes, Xuechao Xing, Scott Mitchell, Yat Sun Or
  • Patent number: 12018017
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, ester, stereoisomer, tautomer, solvate, hydrate, or combination thereof: which inhibit the Apoptosis signal-regulating kinase 1 (ASK-1), which associated with autoimmune disorders, neurodegenerative disorders, inflammatory diseases, chronic kidney disease, cardiovascular disease. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from ASK-1 related disease. The invention also relates to methods of treating an ASK-1 related disease in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention specifically relates to methods of treating ASK-1 associated with hepatic steatosis, including non-alcoholic fatty liver disease (NAFLD) and non-alcohol steatohepatitis disease (NASH).
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: June 25, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Guoqiang Wang, Ruichao Shen, Jiang Long, Jun Ma, Xuechao Xing, Yong He, Brett Granger, Jing He, Bin Wang, Yat Sun Or
  • Patent number: 12011425
    Abstract: 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: Grant
    Filed: January 25, 2023
    Date of Patent: June 18, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xuri Gao, Jorden Kass, Hui Cao, Wei Li, Xiaowen Peng, Byung-Chul Suh, Yat Sun Or
  • Patent number: 12006291
    Abstract: The present invention relates to processes for preparing a Compound (1): or a pharmaceutically acceptable salt or solvate thereof. Compound (1) is useful as in many pharmaceutical agents, especially is useful as key intermediate in the synthesis of certain SARS-CoV-2 3CLpro inhibitors.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: June 11, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Kaicheng Zhu, Tao Wang, Jiajun Zhang, Hui Cao, Ruichao Shen, Guoqiang Wang, George G. Wu, Yat Sun Or
  • Patent number: 12006326
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit Human Respiratory Syncytial Virus (HRSV) or Human Metapneumovirus (HMPV) inhibitors. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HRSV or HMPV infection. The invention also relates to methods of treating an HRSV or HMPV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: June 11, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Adam Szymaniak, Kevin McGrath, Jianming Yu, Tyler Mann, Long Nguyen, Kaicheng Zhu, In Jong Kim, Yat Sun Or
  • Patent number: 11993600
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: May 28, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Joseph D. Panarese, Samuel Bartlett, Yat Sun Or
  • Patent number: 11976084
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: May 7, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Guoqiang Wang, Ruichao Shen, Jun Ma, Yong He, Xuechao Xing, Hui Cao, Xuri Gao, Xiaowen Peng, Joseph D. Panarese, Yat Sun Or
  • Publication number: 20240140922
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the cellular entry of hepatitis B virus (HBV) and/or hepatitis D virus (HDV) or interfere with the function of the life cycle of HBV and/or HDV 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 and/or HDV infection. The invention also relates to methods of treating an HBV and/or HDV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: August 22, 2023
    Publication date: May 2, 2024
    Inventors: Samuel Bartlett, Joseph D. Panarese, Sourav Ghorai, Nathaniel Thomas Kenton, Sean Rafferty, Jonathan Thielman, Peilin Xu, Bin Wang, William Cassels, Scott Mitchell, Yat Sun Or
  • Publication number: 20240140984
    Abstract: The present invention provides compounds of Formula I, pharmaceutical compositions comprising these compounds and methods of using these compounds to prevent or treat FXR-mediated or TGR5-mediated diseases or conditions.
    Type: Application
    Filed: May 4, 2023
    Publication date: May 2, 2024
    Inventors: Guoqiang WANG, Yat Sun OR, Ruichao SHEN, Jiang LONG, Peng DAI, Xuechao XING, Jing HE
  • Patent number: 11970502
    Abstract: The present invention discloses macrocyclic compounds of Formula (I), and pharmaceutically acceptable salts, thereof: which inhibit coronavirus replication activity. The invention further relates to pharmaceutical compositions comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof, and methods of treating or preventing a coronavirus infection in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a compound of Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: April 30, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Jiajun Zhang, Xiaowen Peng, Yat Sun Or
  • Publication number: 20240132476
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts and esters thereof: which inhibit the Apoptosis signal-regulating kinase 1 (ASK-1), which is associated with autoimmune disorders, neurodegenerative disorders, inflammatory diseases, chronic kidney disease, cardiovascular disease. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from ASK-1 related disease. The invention also relates to methods of treating an ASK-1 related disease in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention specifically relates to methods of treating ASK-1 associated with hepatic steatosis, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).
    Type: Application
    Filed: October 25, 2023
    Publication date: April 25, 2024
    Inventors: Guoqiang Wang, Ruichao Shen, Brett Granger, Jing He, Xuechao Xing, Yong He, Jiang Long, Jun Ma, Bin Wang, Yat Sun Or
  • Publication number: 20240132512
    Abstract: The present invention features crystalline forms of Compound I, including polymorphs and pseudopolymorphs, which are useful in the preparation of pharmaceutical compositions.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 25, 2024
    Inventors: Kaicheng Zhu, Tao Wang, Joseph Helble, Anthony Toto, Jiajun Zhang, George G. Wu, Yat Sun Or
  • Patent number: 11958879
    Abstract: The present invention provides compounds represented by Formula I, or pharmaceutically acceptable salts, stereoisomers, solvates, hydrates or combination thereof, The invention also provides pharmaceutical compositions comprising these compounds and methods of using this compounds for treating FXR-mediated or TGR5-mediated diseases or conditions.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: April 16, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Guoqiang Wang, Yat Sun Or, Ruichao Shen, Xuechao Xing, Jiang Long, Peng Dai, Brett Granger, Jing He
  • Patent number: 11952389
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit Respiratory Syncytial Virus (RSV). The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from RSV infection. The invention also relates to methods of treating an RSV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: April 9, 2024
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Brian C. Shook, In Jong Kim, Thomas P. Blaisdell, Jianming Yu, Joseph D. Panarese, Yat Sun Or