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).
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Patent number: 12275716Abstract: 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 a cereblon, Von Hippel-Lindau ligase-binding moiety, 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: GrantFiled: April 22, 2022Date of Patent: April 15, 2025Assignee: Arvinas Operations, Inc.Inventors: Andrew P. Crew, Hanqing Dong, Keith R. Hornberger, Yimin Qian, Jing Wang, Craig M. Crews
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Patent number: 12264157Abstract: 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: GrantFiled: September 13, 2022Date of Patent: April 1, 2025Assignees: Arvinas Operations, Inc., Yale UniversityInventors: 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
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Patent number: 12239711Abstract: 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: GrantFiled: January 7, 2022Date of Patent: March 4, 2025Assignee: Arvinas Operations, Inc.Inventors: Andrew P. Crew, Craig M. Crews, Hanqing Dong, Keith R. Hornberger, Yimin Qian, Lawrence B. Snyder, Jing Wang
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Publication number: 20250034096Abstract: 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: ApplicationFiled: July 12, 2024Publication date: January 30, 2025Inventors: Michael BERLIN, Andrew P. CREW, Craig M. CREWS, Hanqing DONG, Keith R. HORNBERGER, Lawrence B. SNYDER, Jing WANG, Kurt ZIMMERMANN
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Patent number: 12172981Abstract: 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: GrantFiled: June 25, 2021Date of Patent: December 24, 2024Assignee: Arvinas Operations, Inc.Inventors: Andrew P. Crew, Hanqing Dong, Keith R. Hornberger, Yimin Qian, Jing Wang
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Patent number: 12171831Abstract: 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: GrantFiled: November 2, 2022Date of Patent: December 24, 2024Assignees: Arvinas Operations, Inc., YALE UNIVERSITYInventors: Yimin Qian, Hanqing Dong, Jing Wang, Michael Berlin, Andrew P. Crew, Craig M. Crews
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Publication number: 20240409529Abstract: 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: ApplicationFiled: June 18, 2024Publication date: December 12, 2024Applicant: 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
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Publication number: 20240382599Abstract: The present invention relates to bifunctional compounds, which find utility to degrade and (inhibit) TBK1. 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: ApplicationFiled: April 1, 2024Publication date: November 21, 2024Inventors: Andrew P. Crew, Kurt Zimmermann, Jing Wang, Michael Berlin, Hanqing Dong, Alexey Ishchenko, Yimin Qian, Saul Jaime-Figueroa, George Burslem, Craig M. Crews
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Publication number: 20240360152Abstract: 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: ApplicationFiled: May 9, 2024Publication date: October 31, 2024Inventors: Erika Marina Vieira Araujo, Michael Berlin, Hanqing Dong, Steven M. Sparks, Jing Wang, Wei Zhang
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Publication number: 20240325547Abstract: Bifunctional compounds, which find utility as modulators of B-cell lymphoma 6 protein (BCL6; target protein), are described herein. In particular, the bifunctional compounds of the present disclosure contain on one end a cereblon ligand that 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 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 aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.Type: ApplicationFiled: March 19, 2024Publication date: October 3, 2024Applicant: Arvinas Operations, Inc.Inventors: MICHAEL BERLIN, Hanqing Dong, Dan Sherman, Lawrence B. Snyder, Jing Wang, Wei Zhang
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Publication number: 20240299366Abstract: 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: ApplicationFiled: August 28, 2023Publication date: September 12, 2024Inventors: Andrew P. CREW, Craig M. Crews, Hanqing Dong, Jing Wang, Yimin Qian, Meizhong Jin
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Patent number: 12077509Abstract: 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: GrantFiled: June 22, 2023Date of Patent: September 3, 2024Assignee: Arvinas Operations, Inc.Inventors: Hanqing Dong, Keith R. Hornberger, Lawrence B. Snyder
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Patent number: 12043612Abstract: 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: GrantFiled: May 6, 2021Date of Patent: July 23, 2024Assignee: Arvinas Operations, Inc.Inventors: Laura E. N. Allan, Chungpin Herman Chen, Hanqing Dong, John A. Grosso, Royal J. Haskell, III, Rhys LLoyd, Hayley Reece
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Patent number: 11986531Abstract: The present disclosure relates to bifunctional compounds, which find utility as modulators of Rapidly Accelerated Fibrosarcoma (RAF, such as c-RAF, A-RAF and/or B-RAF; the 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 RAF, 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, or the constitutive activation of the target protein, are treated or prevented with compounds and compositions of the present disclosure.Type: GrantFiled: July 28, 2021Date of Patent: May 21, 2024Assignees: Arvinas Operations, Inc., Yale UniversityInventors: Andrew P. Crew, Keith R. Hornberger, Jing Wang, Saul Jaime-Figueroa, Hanqing Dong, Kurt Zimmermann, Craig M. Crews
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Patent number: 11981683Abstract: 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: GrantFiled: March 19, 2022Date of Patent: May 14, 2024Assignee: Arvinas Operations, Inc.Inventors: Erika Marina Vieira Araujo, Michael Berlin, Hanqing Dong, Steven M. Sparks, Jing Wang, Wei Zhang
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Publication number: 20240131023Abstract: 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: ApplicationFiled: September 1, 2023Publication date: April 25, 2024Inventors: LAWRENCE B. Snyder, Andrew P. Crew, Jing Wang, Hanqing Dong
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Patent number: 11964945Abstract: 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: GrantFiled: May 29, 2020Date of Patent: April 23, 2024Assignee: Arvinas Operations, Inc.Inventors: Andrew P. Crew, Keith R. Hornberger, Lawrence B. Snyder, Kurt Zimmermann, Jing Wang, Hanqing Dong
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Publication number: 20240091204Abstract: 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: ApplicationFiled: September 18, 2023Publication date: March 21, 2024Inventors: Andrew P. Crew, Hanqing Dong, Michael Berlin, Steven M. Sparks
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Publication number: 20240076281Abstract: 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: ApplicationFiled: November 28, 2022Publication date: March 7, 2024Applicant: Arvinas Operations, Inc.Inventors: Yimin QIAN, Hanqing DONG, Jing WANG
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Publication number: 20240059686Abstract: 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: ApplicationFiled: December 20, 2022Publication date: February 22, 2024Applicant: Arvinas Operations, Inc.Inventors: Andrew P. CREW, Hanqing DONG, Jing WANG, Xin CHEN, Yimin QIAN, Craig M. CREWS, Michael BERLIN, Meizhong JIN