Patents by Inventor Pingda Ren

Pingda Ren 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).

  • Patent number: 10882847
    Abstract: 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: Grant
    Filed: September 27, 2016
    Date of Patent: January 5, 2021
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
  • Patent number: 10875842
    Abstract: 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: Grant
    Filed: September 27, 2016
    Date of Patent: December 29, 2020
    Assignee: Araxes Pharma LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
  • Publication number: 20200385388
    Abstract: Polymorphs of chemical compounds that modulate kinase activity, including PI3 kinase activity, and compounds, pharmaceutical compositions, and methods of treatment of diseases and conditions associated with kinase activity, including P13 kinase activity, are described herein. Also provided herein are processes for preparing compounds, polymorphs thereof, and pharmaceutical compositions thereof.
    Type: Application
    Filed: January 3, 2020
    Publication date: December 10, 2020
    Inventors: Pingda Ren, Michael Martin, Paul Isbester, Benjamin S. Lane, Jason Kropp
  • Publication number: 20200385364
    Abstract: 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: Application
    Filed: January 25, 2018
    Publication date: December 10, 2020
    Inventors: Liansheng Li, Jun Feng, Yuan Liu, Pingda Ren, Yi Liu
  • Patent number: 10858343
    Abstract: 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: Grant
    Filed: September 26, 2016
    Date of Patent: December 8, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
  • Patent number: 10829458
    Abstract: 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: Grant
    Filed: February 21, 2019
    Date of Patent: November 10, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Tao Wu, Pingda Ren, Yi Liu
  • Patent number: 10822312
    Abstract: 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: Grant
    Filed: March 29, 2017
    Date of Patent: November 3, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Pingda Ren, Yi Liu
  • Patent number: 10781218
    Abstract: The present disclosure provides compounds of Formula (II-A), which inhibit the interaction of menin with one or more of MLL1, MLL2 and MLL-fusion oncoproteins. Also disclosed are methods for the treatment of leukemia, solid cancers, diabetes and other diseases dependent on activity of MLL1, MLL2, MLL fusion proteins, and/or menin.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: September 22, 2020
    Assignees: KURA ONCOLOGY, INC., THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Tao Wu, Liansheng Li, Yi Wang, Pingda Ren, Jolanta Grembecka, Tomasz Cierpicki, Szymon Klossowski, Jonathan Pollock, Dmitry Borkin
  • Patent number: 10752639
    Abstract: The present disclosure provides compounds of Formula (I-E) for inhibiting the interaction of menin with MLL1, MLL2 and MLL-fusion oncoproteins. The compounds 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: Grant
    Filed: March 15, 2017
    Date of Patent: August 25, 2020
    Assignees: KURA ONCOLOGY, INC., THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Tao Wu, Liansheng Li, Yi Wang, Pingda Ren, Jolanta Grembecka, Tomasz Cierpicki, Szymon Klossowski, Jonathan Pollock, Dmitry Borkin
  • Patent number: 10745385
    Abstract: 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: Grant
    Filed: May 24, 2018
    Date of Patent: August 18, 2020
    Assignee: Araxes Pharma LLC
    Inventors: Liansheng Li, Jun Feng, Tao Wu, Yuan Liu, Yi Wang, Pingda Ren, Yi Liu
  • Patent number: 10736897
    Abstract: 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: Grant
    Filed: May 24, 2018
    Date of Patent: August 11, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Tao Wu, Yuan Liu, Yi Wang, Pingda Ren, Yi Liu
  • Patent number: 10730867
    Abstract: 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: Grant
    Filed: September 27, 2016
    Date of Patent: August 4, 2020
    Assignee: Araxes Pharma LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
  • Patent number: 10723738
    Abstract: 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: Grant
    Filed: April 3, 2019
    Date of Patent: July 28, 2020
    Assignee: Araxes Pharma LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Pingda Ren, Yi Liu
  • Publication number: 20200222384
    Abstract: 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: Application
    Filed: August 29, 2019
    Publication date: July 16, 2020
    Inventors: Pingda Ren, Yi Liu, Troy Edward Wilson, Liansheng Li, Katrina Chan, Christian Rommel
  • Publication number: 20200216471
    Abstract: The present disclosure provides methods of inhibiting the interaction of menin with MLL1, MLL2 and MLL-fusion oncoproteins. The methods 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. Compositions for use in these methods are also provided.
    Type: Application
    Filed: September 19, 2018
    Publication date: July 9, 2020
    Inventors: Tao WU, Liansheng LI, Pingda REN
  • Patent number: 10689356
    Abstract: 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: Grant
    Filed: September 28, 2016
    Date of Patent: June 23, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Pingda Ren, Yi Liu
  • Publication number: 20200181123
    Abstract: 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: Application
    Filed: July 17, 2019
    Publication date: June 11, 2020
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Yuan Liu, Tao Wu, Pingda Ren, Yi Liu
  • Publication number: 20200165224
    Abstract: 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: Application
    Filed: June 7, 2018
    Publication date: May 28, 2020
    Inventors: Liansheng LI, Tao WU, Jun FENG, Pingda REN, Yi LIU, Jolanta GREMBECKA, Tomasz CIERPICKI, Dmitry BORKIN, Jonathan POLLOCK
  • Patent number: 10647703
    Abstract: 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: Grant
    Filed: September 27, 2016
    Date of Patent: May 12, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Liansheng Li, Jun Feng, Yun Oliver Long, Pingda Ren, Yi Liu
  • Patent number: 10646488
    Abstract: 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: Grant
    Filed: July 13, 2017
    Date of Patent: May 12, 2020
    Assignee: ARAXES PHARMA LLC
    Inventors: Yi Liu, Liansheng Li, Pingda Ren