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: 20180177750
    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: Application
    Filed: December 21, 2017
    Publication date: June 28, 2018
    Inventors: Andrew P. Crew, Lawrence B. Snyder, Jing Wang, Hanqing Dong, Yimin Qian, Michael Berlin
  • Publication number: 20180155322
    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: December 1, 2017
    Publication date: June 7, 2018
    Inventors: Andrew P. Crew, Yimin Qian, Hanqing Dong, Jing Wang, Keith R. Hornberger, Craig M. Crews
  • Publication number: 20180147202
    Abstract: The present invention relates to bifunctional compounds, which find utility to degrade and (inhibit) TBK 1. In particular, the present invention is directed to compounds, which contain on one end an E3 ubiquitin ligase binding moiety which binds to an E3 ubiquitin ligase and on the other end a moiety which binds TBK1 such that TBK1 is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of TBK1. The present invention exhibits a broad range of pharmacological activities associated with compounds according to the present invention, consistent with the degradation/inhibition of TBK1.
    Type: Application
    Filed: June 6, 2016
    Publication date: May 31, 2018
    Applicant: Arvinas, Inc.
    Inventors: Andrew P. Crew, Jing Wang, Hanqing Dong, Yimin Qian, Craig M Crews
  • Publication number: 20180125821
    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: November 1, 2017
    Publication date: May 10, 2018
    Inventors: Andrew P. Crew, Michael Berlin, John J. Flanagan, Hanqing Dong, Alexey Ishchenko
  • Publication number: 20180099940
    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: October 11, 2017
    Publication date: April 12, 2018
    Inventors: Andrew P. Crew, Keith R. Hornberger, Lawrence B. Snyder, Kurt Zimmermann, Jing Wang, Michael Berlin, Craig M. Crews, Hanqing Dong
  • Publication number: 20180072711
    Abstract: The present disclosure relates to compounds and a pharmaceutically acceptable salt thereof, compositions, combinations and medicaments containing the compounds, and processes for their preparation. The disclosure also relates to the use of the compounds, combinations, compositions and medicaments, for example as inhibitors of the activity of the estrogen receptor, including degrading the estrogen receptor, the treatment of diseases and conditions mediated by the estrogen receptor.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 15, 2018
    Inventors: Andrew P. Crew, Yimin Qian, Hanqing Dong, Jing Wang, Craig M. Crews
  • Publication number: 20170327469
    Abstract: The present disclosure 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: July 28, 2017
    Publication date: November 16, 2017
    Inventors: Andrew P. Crew, Hanqing Dong, Jing Wang, Caterina Ferraro, Xin Chen, Yimin Qian
  • Publication number: 20170281784
    Abstract: The present disclosure is based on the surprising and unexpected discovery that a ligand molecule with certain characteristics is able to bind to two protein molecules simultaneously and recruit them to form a transient or stable protein-protein interaction complex. The protein-protein interaction and other cross-domain interactions gained in this process contribute additional stabilization energy to the complex beyond the combination of the binary binding energies, and therefore, largely increase the binding potency of the ligand. Accordingly, the present disclosure provides a Protein-Protein Interaction Inducing Technology (PPIIT), which includes a method to design and identify the tripartite or bifunctional compounds and use such compounds to induce protein-protein interactions in various contexts. The present disclosure also provides a composition for the purpose of inducing protein-protein interactions.
    Type: Application
    Filed: April 3, 2017
    Publication date: October 5, 2017
    Inventors: Jing Wang, Andrew P. Crew, Hanqing Dong, Taavi Neklesa, Brian Hamman
  • Publication number: 20170065719
    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: August 5, 2016
    Publication date: March 9, 2017
    Inventors: Yimin Qian, Hanqing Dong, Jing Wang, Michael Berlin, Andrew P. Crew, Craig M. Crews
  • Publication number: 20170037004
    Abstract: The description relates to Inhibitors of Apoptosis Proteins (IAPs) 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 invention. In particular, the description provides compounds, which contain on one end a ligand which binds to the IAP 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: July 13, 2016
    Publication date: February 9, 2017
    Inventors: Andrew P. Crew, Michael Berlin, Hanqing Dong, Yimin Qian
  • Publication number: 20170008904
    Abstract: The description relates to MDM2 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 invention. In particular, the description provides compounds, which contain on one end a ligand which binds to the MDM2 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: July 11, 2016
    Publication date: January 12, 2017
    Inventors: Andrew P. Crew, Craig M. Crews, Hanqing Dong, Yimin Qian, Jing Wang
  • Publication number: 20160272639
    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: March 18, 2016
    Publication date: September 22, 2016
    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: 20160214972
    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: January 20, 2016
    Publication date: July 28, 2016
    Inventors: Meizhong Jin, Andrew P. Crew, Hanqing Dong, Jing Wang, Kam Siu, Caterina Ferraro, Xin Chen, Yimin Qian
  • Publication number: 20160058872
    Abstract: The description relates to imide-based 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 invention. 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: July 6, 2015
    Publication date: March 3, 2016
    Inventors: Andrew P. Crew, Craig Crews, Hanqing Dong, Jing Wang, Yimin Qian, Kam Siu, Meizhong Jin
  • Publication number: 20160045607
    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: August 10, 2015
    Publication date: February 18, 2016
    Inventors: Andrew Crew, Craig Crews, Hanqing Dong, Eunhwa Ko, Jing Wang
  • Publication number: 20150291562
    Abstract: The description relates to imide-based 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 invention. 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: April 14, 2015
    Publication date: October 15, 2015
    Inventors: Andrew P. Crew, Craig Crews, Hanqing Dong, Jing Wang, Yimin Qian, Kam Siu, Caterina Ferraro, Meizhong Jin, Xin Chen
  • Patent number: 9133224
    Abstract: Compounds of Formula (I): wherein variables are defined herein, and pharmaceutically acceptable salts, synthesis, intermediates, formulations, and methods of disease treatment therewith, including cancers for which FAK inhibition is beneficial.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: September 15, 2015
    Assignee: OSI Pharmaceuticals, LLC
    Inventors: Andrew P. Crew, Hanqing Dong, Caterina Ferraro, Dan Sherman, Kam W. Siu
  • Patent number: 9096624
    Abstract: Compounds of Formula 1, as shown below and defined herein: and pharmaceutically acceptable salts, synthesis, intermediates, formulations, and methods of disease treatment therewith, including cancers mediated at least in part by FAK.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: August 4, 2015
    Assignee: OSI Pharmaceuticals, LLC
    Inventors: Andrew P. Crew, Dan Sherman, Rama Devi Appari, Xin Chen, Ramesh Chilukuri, Hanqing Dong, Caterina Ferraro, Kenneth Foreman, Ramesh C. Gupta, An-Hu Li, Kathryn M. Stolz, Brian Volk, Robert Zahler
  • Patent number: 8735405
    Abstract: Compounds of the formula and pharmaceutically acceptable salts thereof, wherein X1, X2, X3, X4, X5, X6, X7, R1, and Q1 are defined herein, inhibit the IGF-1R enzyme and are useful for the treatment and/or prevention of hyperproliferative diseases such as cancer, inflammation, psoriasis, allergy/asthma, disease and conditions of the immune system, disease and conditions of the central nervous system.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: May 27, 2014
    Assignee: OSI Pharmaceuticals, LLC
    Inventors: Lee D. Arnold, Cara Cesario, Heather Coate, Andrew P. Crew, Hanqing Dong, Kenneth Foreman, Ayako Honda, Radoslaw Laufer, An-Hu Li, Kristen Michelle Mulvihill, Mark J. Mulvihill, Anthony I. Nigro, Bijoy Panicker, Arno G. Steinig, Yingchuan Sun, Quinghua Weng, Douglas S. Werner, Michael J. Wyle, Tao Zhang
  • Publication number: 20130261086
    Abstract: Compounds of Formula (I): wherein variables are defined herein, and pharmaceutically acceptable salts, synthesis, intermediates, formulations, and methods of disease treatment therewith, including cancers for which FAK inhibition is beneficial.
    Type: Application
    Filed: November 29, 2011
    Publication date: October 3, 2013
    Applicant: OSI Pharmaceuticals, LLC
    Inventors: Andrew P. Crew, Hanqing Dong, Caterina Ferraro, Dan Sherman, Kam W. Siu