Patents by Inventor Liansheng Liu
Liansheng Liu 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: 10927125Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, prodrug or stereoisomer thereof, wherein R1, R2a, R3a, R3b, R4a, R4b, G1, G2, L1, L2, m1, m2, A, B, W, X, Y, Z and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: June 24, 2019Date of Patent: February 23, 2021Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Tao Wu, Pingda Ren, Yi Liu, Yuan Liu, Yun Oliver Long
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Patent number: 10919850Abstract: Irreversible inhibitors of G12C mutant K-Ras protein are provided. Also disclosed are methods to modulate the activity of G12C mutant K-Ras protein and methods of treatment of disorders mediated by G12C mutant K-Ras protein.Type: GrantFiled: March 15, 2019Date of Patent: February 16, 2021Assignee: ARAXES PHARMA LLCInventors: Pingda Ren, Yi Liu, Liansheng Li, Jun Feng, Tao Wu
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Publication number: 20210024501Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5, L1, L2, L3, E, m1, m2 and * are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: ApplicationFiled: June 29, 2020Publication date: January 28, 2021Inventors: Liansheng Li, Jun Feng, Tao Wu, Yuan Liu, Yi Wang, Pingda Ren, Yi Liu
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Patent number: 10882847Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein R1, R3a, R3b, R4a, R4b, G1, G2, G2, G3, G4, m1, m2, m3, m4, L1, L2 and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 27, 2016Date of Patent: January 5, 2021Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
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Patent number: 10875842Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I) or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein R1, R3a, R3b, R4a, R4b, G1, G2, G3, G4, m1, m2, m3, m4, L1, L2 and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 27, 2016Date of Patent: December 29, 2020Assignee: Araxes Pharma LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
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Publication number: 20200385364Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I) or a pharmaceutically acceptable salt, stereoisomer or prodrug thereof, wherein A, B, E, L1, Ra. Rb, Rc and ? are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: ApplicationFiled: January 25, 2018Publication date: December 10, 2020Inventors: Liansheng Li, Jun Feng, Yuan Liu, Pingda Ren, Yi Liu
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Patent number: 10858343Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): (I) or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof wherein Z, Y R3a, R3b, R4a, R4b, G1, G2, G3, G4, L1, m1, m2, m3, m4, n and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 26, 2016Date of Patent: December 8, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
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Patent number: 10829458Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have one of the following structures (I), (II) or (III): or a pharmaceutically acceptable salt, stereoisomer or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5a, R5b, R6, A, B, G1, G2, L1, L2, m1, m2, n, x, y, X and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: February 21, 2019Date of Patent: November 10, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Tao Wu, Pingda Ren, Yi Liu
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Patent number: 10822312Abstract: The present disclosure provides inhibitors of Ras protein of Formula (I-A): Also disclosed are methods to modulate the activity of Ras protein and methods of treatment of disorders mediated by Ras protein with compounds of Formula (I-A).Type: GrantFiled: March 29, 2017Date of Patent: November 3, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Pingda Ren, Yi Liu
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Patent number: 10745385Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5, L1, L2, L3, E, m1, m2 and * are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: May 24, 2018Date of Patent: August 18, 2020Assignee: Araxes Pharma LLCInventors: Liansheng Li, Jun Feng, Tao Wu, Yuan Liu, Yi Wang, Pingda Ren, Yi Liu
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Patent number: 10736897Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, L1, L2, E, X, Y, Z, m1 and m2 are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: May 24, 2018Date of Patent: August 11, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Tao Wu, Yuan Liu, Yi Wang, Pingda Ren, Yi Liu
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Patent number: 10730867Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): (I) or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein A, R3a, R3b, R4a, R4b, G1, G2, G3, G4, m1, m2, m3, m4, L1, L2 and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 27, 2016Date of Patent: August 4, 2020Assignee: Araxes Pharma LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
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Patent number: 10723738Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein B, W, X, Y, R1, R2a, R2b, R3a, R3b, R4a, R4b, G1, G2, m1, m2, L1, L2 and E are defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: April 3, 2019Date of Patent: July 28, 2020Assignee: Araxes Pharma LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Pingda Ren, Yi Liu
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Publication number: 20200222384Abstract: Chemical entities that modulate PI3 kinase activity, pharmaceutical compositions containing the chemical entities, and methods of using these chemical entities for treating diseases and conditions associated with P13 kinase activity are described herein.Type: ApplicationFiled: August 29, 2019Publication date: July 16, 2020Inventors: Pingda Ren, Yi Liu, Troy Edward Wilson, Liansheng Li, Katrina Chan, Christian Rommel
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Patent number: 10689356Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein A, R1, R3a, R3b, R4a, R4b, G2, G3, G4, m1, m2, m3, m4, L1, L2 and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 28, 2016Date of Patent: June 23, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Pingda Ren, Yi Liu
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Publication number: 20200181123Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer or prodrug thereof, wherein R1, R2a, R2b, R2c, R3a, R3b, R4a, R4b, R5a, R5b, R6, A, G1, G2, L1, L2, m1, m2, n, X and E are as defined herein, and wherein at least one of R3a, R3b, R4a or R4b is not H. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: ApplicationFiled: July 17, 2019Publication date: June 11, 2020Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Tao Wu, Pingda Ren, Yi Liu
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Publication number: 20200165224Abstract: The present disclosure provides compositions and methods of use to inhibit the interaction of menin with MLL1, MLL2 and MLL-fusion oncoproteins. The compositions and methods of use are useful for the treatment of leukemia, solid cancers, diabetes and other diseases dependent on activity of MLL1, MLL2, MLL fusion proteins, and/or menin.Type: ApplicationFiled: June 7, 2018Publication date: May 28, 2020Inventors: Liansheng LI, Tao WU, Jun FENG, Pingda REN, Yi LIU, Jolanta GREMBECKA, Tomasz CIERPICKI, Dmitry BORKIN, Jonathan POLLOCK
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Publication number: 20200155218Abstract: Methods of treatment in subjects suffering from diabetes mellitus or obesity are provided. The methods comprise ablation of a region of the small intestine in the subject, in particular ablation of a region of the duodenum. The ablation may be a mechanical, electrical, thermal, radiative, or chemical ablation and may in some cases target a sensory nerve. The methods may, in some cases, comprise the step of administering an active agent directly to the small intestine in the subject, in particular administering the active agent directly to the duodenum. The active agents useful in the treatments described herein include analgesic agents and, in particular, antinociceptive agents such as capsaicin, resiniferatoxin, and their analogues.Type: ApplicationFiled: January 22, 2020Publication date: May 21, 2020Inventors: Pankaj Pasricha, Liansheng Liu
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Patent number: 10647703Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, tautomer, stereoisomer or prodrug thereof, wherein A, X, R3a, R3b, R4a, R4b, G1, G2, G3, G4, L1, L2, m1, m2, m3, m4, and E are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: September 27, 2016Date of Patent: May 12, 2020Assignee: ARAXES PHARMA LLCInventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
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Patent number: 10646488Abstract: Conjugates of a cereblon-binding compound and compounds having modulatory activity against G12C mutant KRAS, HRAS or NRAS G12C proteins are provided. Methods associated with preparation and use of such conjugates, pharmaceutical compositions comprising such conjugates and methods to modulate the activity of G12C mutant KRAS, HRAS or NRAS G12C proteins for treatment of disorders, such as cancer, are also provided.Type: GrantFiled: July 13, 2017Date of Patent: May 12, 2020Assignee: ARAXES PHARMA LLCInventors: Yi Liu, Liansheng Li, Pingda Ren