Patents by Inventor Hanqing Dong

Hanqing Dong 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: 20240131023
    Abstract: This disclosure pertains to compounds, the preparation thereof, and the use of these compounds in the treatment of prostate cancer, including metastatic and/or castrate-resistant prostate cancer, in subjects in need thereof.
    Type: Application
    Filed: September 1, 2023
    Publication date: April 25, 2024
    Inventors: LAWRENCE B. Snyder, Andrew P. Crew, Jing Wang, Hanqing Dong
  • Patent number: 11964945
    Abstract: The present disclosure relates to bifunctional compounds, which find utility to degrade and (inhibit) Androgen Receptor. In particular, the present disclosure is directed to compounds, which contain on one end a cereblon ligand which binds to the E3 ubiquitin ligase and on the other end a moiety which binds Androgen Receptor, such that Androgen Receptor is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of Androgen Receptor. The present disclosure exhibits a broad range of pharmacological activities associated with compounds according to the present disclosure, consistent with the degradation/inhibition of Androgen Receptor.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 23, 2024
    Assignee: Arvinas Operations, Inc.
    Inventors: Andrew P. Crew, Keith R. Hornberger, Lawrence B. Snyder, Kurt Zimmermann, Jing Wang, Hanqing Dong
  • Publication number: 20240091204
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of ?-synuclein (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a Von Hippel-Lindau, cereblon. Inhibitors of Apotosis Proteins or mouse double-minute homolog 2 ligand which binds to the respective E3 ubiquitin ligase and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 21, 2024
    Inventors: Andrew P. Crew, Hanqing Dong, Michael Berlin, Steven M. Sparks
  • Publication number: 20240076281
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of estrogen receptor (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end at least one of a Von Hippel-Lindau ligand, a cereblon ligand, inhibitors of apoptosis proteins ligand, mouse double-minute homolog 2 ligand, or a combination thereof, which binds to the respective E3 ubiquitin ligase, and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 7, 2024
    Applicant: Arvinas Operations, Inc.
    Inventors: Yimin QIAN, Hanqing DONG, Jing WANG
  • Publication number: 20240059686
    Abstract: The present invention relates to bifunctional compounds, which find utility to degrade and (inhibit) Androgen Receptor. In particular, the present invention is directed to compounds, which contain on one end a VHL ligand which binds to the ubiquitin ligase and on the other end a moiety which binds Androgen Receptor such that Androgen Receptor is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of Androgen Receptor. The present invention exhibits a broad range of pharmacological activities associated with compounds according to the present invention, consistent with the degradation/inhibition of Androgen Receptor.
    Type: Application
    Filed: December 20, 2022
    Publication date: February 22, 2024
    Applicant: Arvinas Operations, Inc.
    Inventors: Andrew P. CREW, Hanqing DONG, Jing WANG, Xin CHEN, Yimin QIAN, Craig M. CREWS, Michael BERLIN, Meizhong JIN
  • Patent number: 11883393
    Abstract: This disclosure pertains to compounds, the preparation thereof, and the use of these compounds in the treatment of prostate cancer, including metastatic and/or castrate-resistant prostate cancer, in subjects in need thereof.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 30, 2024
    Assignee: Arvinas Operations, Inc.
    Inventors: Lawrence B. Snyder, Hanqing Dong
  • Patent number: 11857519
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of enhancer of zeste homolog 2 (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a Von Hippel-Lindau, cereblon, Inhibitors of Apotosis Proteins or mouse double-minute homolog 2 ligand which binds to the respective E3 ubiquitin ligase and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: January 2, 2024
    Assignee: Arvinas Operations, Inc.
    Inventors: Andrew P. Crew, Lawrence B. Snyder, Jing Wang, Hanqing Dong, Yimin Qian, Michael Berlin
  • Publication number: 20230331681
    Abstract: The present disclosure relates to bifunctional compounds, which find utility to degrade (and inhibit) Androgen Receptor. In particular, the present disclosure is directed to compounds, which contain on one end a cereblon ligand which binds to the E3 ubiquitin ligase and on the other end a moiety which binds Androgen Receptor, such that Androgen Receptor is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of Androgen Receptor. The present disclosure exhibits a broad range of pharmacological activities associated with compounds according to the present disclosure, consistent with the degradation/inhibition of Androgen Receptor.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Inventors: Michael BERLIN, Andrew P. CREW, Craig M. CREWS, Hanqing DONG, Keith R. HORNBERGER, Lawrence B. SNYDER, Jing WANG, Kurt ZIMMERMANN
  • Publication number: 20230263893
    Abstract: The present invention relates to bifunctional compounds, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present invention. In particular, the present invention is directed to compounds, which contain on one end a VHL ligand which binds to the ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. The present invention exhibits a broad range of pharmacological activities associated with compounds according to the present invention, consistent with the degradation/inhibition of targeted polypeptides.
    Type: Application
    Filed: November 2, 2022
    Publication date: August 24, 2023
    Inventors: Yimin QIAN, Hanqing DONG, Jing WANG, Michael BERLIN, Andrew P. CREW, Craig M. CREWS
  • Patent number: 11707452
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of ?-synuclein (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a Von Hippel-Lindau, cereblon. Inhibitors of Apotosis Proteins or mouse double-minute homolog 2 ligand which binds to the respective E3 ubiquitin ligase and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: July 25, 2023
    Assignee: Arvinas Operations, Inc.
    Inventors: Andrew P. Crew, Hanqing Dong, Michael Berlin, Steven M. Sparks
  • Publication number: 20230203030
    Abstract: The present invention relates to bifunctional compounds, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present invention. In particular, the present invention is directed to compounds, which contain on one end a VHL ligand which binds to the ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. The present invention exhibits a broad range of pharmacological activities associated with compounds according to the present invention, consistent with the degradation/inhibition of targeted polypeptides.
    Type: Application
    Filed: September 13, 2022
    Publication date: June 29, 2023
    Inventors: Andrew P. Crew, Craig M. Crews, Xin Chen, Hanqing Dong, Caterina Ferraro, Yimin Qian, Kam Siu, Jing Wang, Meizhong Jin, Michael Berlin, Kurt Zimmermann, Lawrence Snyder
  • Publication number: 20230183209
    Abstract: The description relates to cereblon E3 ligase binding compounds, including bifunctional compounds comprising the same, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present disclosure. In particular, the description provides compounds, which contain on one end a ligand which binds to the cereblon E3 ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. Compounds can be synthesized that exhibit a broad range of pharmacological activities consistent with the degradation/inhibition of targeted polypeptides of nearly any type.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 15, 2023
    Applicant: Arvinas Operations, Inc.
    Inventors: Andrew P. CREW, Michael BERLIN, Keith R. HORNBERGER, Lawrence B. SNYDER, Jing WANG, Yimin QIAN, Hanqing DONG, Kurt ZIMMERMANN
  • Publication number: 20230097358
    Abstract: Bifunctional compounds, which find utility as modulators of leucine-rich repeat kinase 2 (LRRK2), are described herein. In particular, the hetero-bifunctional compounds of the present disclosure contain on one end a moiety that binds to the cereblon E3 ubiquitin ligase and on the other end a moiety which binds LRRK2, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The hetero-bifunctional compounds of the present disclosure exhibit a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aberrant regulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Application
    Filed: March 19, 2022
    Publication date: March 30, 2023
    Inventors: Erika Marina Vieira Araujo, Michael Berlin, Hanqing Dong, Steven M. Sparks, Jing Wang, Wei Zhang
  • Publication number: 20230086457
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of tau protein. In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a VHL or cereblon ligand which binds to the E3 ubiquitin ligase and on the other end a moiety which binds tau protein, such that tau protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of tau. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of tau protein. Diseases or disorders that result from aggregation or accumulation of tau protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Application
    Filed: April 20, 2022
    Publication date: March 23, 2023
    Inventors: Michael Berlin, Andrew P. Crew, Hanqing Dong, John J. Flanagan
  • Publication number: 20230082997
    Abstract: The description relates to cereblon E3 ligase binding compounds, including bifunctional compounds comprising the same, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present disclosure. In particular, the description provides compounds, which contain on one end a ligand which binds to the cereblon E3 ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. Compounds can be synthesized that exhibit a broad range of pharmacological activities consistent with the degradation/inhibition of targeted polypeptides of nearly any type.
    Type: Application
    Filed: January 7, 2022
    Publication date: March 16, 2023
    Inventors: Michael BERLIN, Andrew P. CREW, Craig M. CREWS, Hanqing DONG, Keith R. HORNBERGER, Yimin QIAN, Lawrence B. SNYDER, Jing WANG, Kurt ZIMMERMANN
  • Publication number: 20230084249
    Abstract: Bifunctional compounds, which find utility as modulators of androgen receptor (AR), are described herein. In particular, the bifunctional compounds of the present disclosure contain on one end a moiety that binds to the cereblon E3 ubiquitin ligase and on the other end a moiety which binds AR, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The bifunctional compounds of the present disclosure exhibit a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aberrant regulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Application
    Filed: October 20, 2021
    Publication date: March 16, 2023
    Inventors: Michael Berlin, Andrew P. Crew, Hanqing Dong, Keith R. Hornberger, Lawrence B. Snyder, Jing Wang, Kurt Zimmermann
  • Patent number: 11597720
    Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of estrogen receptor (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end at least one of a Von Hippel-Lindau ligand, a cereblon ligand, inhibitors of apoptosis proteins ligand, mouse double-minute homolog 2 ligand, or a combination thereof, which binds to the respective E3 ubiquitin ligase, and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: March 7, 2023
    Assignee: Arvinas Operations, Inc.
    Inventors: Yimin Qian, Hanqing Dong, Jing Wang
  • Publication number: 20230069491
    Abstract: This disclosure pertains to the preparation of bifunctional compounds (e.g., Compound 1), intermediates in the preparation of such compounds, and preparation of such intermediates.
    Type: Application
    Filed: July 26, 2022
    Publication date: March 2, 2023
    Inventors: Chungpin Herman CHEN, Hanqing DONG
  • Patent number: 11554171
    Abstract: The present invention relates to bifunctional compounds, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present invention. In particular, the present invention is directed to compounds, which contain on one end a VHL ligand which binds to the ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. The present invention exhibits a broad range of pharmacological activities associated with compounds according to the present invention, consistent with the degradation/inhibition of targeted polypeptides.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: January 17, 2023
    Assignees: Arvinas Operations, Inc., Yale University
    Inventors: Yimin Qian, Hanqing Dong, Jing Wang, Michael Berlin, Andrew P. Crew, Craig M. Crews
  • Publication number: 20230012321
    Abstract: The present disclosure relates to ultra-pure forms, polymorphs, amorphous forms, and formulations of N-[(1r,4r)-4-(3-chloro-4-cyanophenoxy)cyclohexyl]-6-[4-({4-[2-(2,6-dioxopiperidin-3-yl)-6-fluoro-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl]piperazin-1-yl}methyl)piperidin-1-yl]pyridazine-3-carboxamide, referred to herein as Compound A: The present disclosure also relates methods of manufacturing and purifying the same, as well as intermediates useful in the synthesis of Compound A. The ultra-pure forms, polymorphs, amorphous forms, and formulations of Compound A can be used as therapeutic agents for the treatment of various diseases and conditions such as cancer.
    Type: Application
    Filed: May 6, 2021
    Publication date: January 12, 2023
    Applicant: Arvinas Operations, Inc.
    Inventors: Laura E.N. ALLAN, Chungpin Herman CHEN, Hanqing DONG, Robert J. DUGUID, John A. GROSSO, Royal J. HASKELL, III, Casey Keith JAGER, Venkata A. KATTUBOINA, Aditya Mohan KAUSHAL, Samuel Elliott KENNEDY, Rhys LLOYD, Miranda Annell NEESER, Yuping QIU, Hayley REECE, Maxwell Marco REEVE, Joseph P. REO, Jerod ROBERTSON, Mohammad Mehdi ZAHEDI