Patents by Inventor Xiaoshen MA

Xiaoshen MA 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: 20240083913
    Abstract: The disclosure provides compounds of Formula (I) or a pharmaceutically acceptable salt thereof, wherein W1, W2, Y, Z, M, L, CY, Cz, R1, R2, R3, R4, R2a, Ry, Rz, and the subscripts m, n, q, and r are as described herein. The compounds or their pharmaceutically acceptable salts can inhibit the G12C mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treating cancer. The disclosure also provides pharmaceutical compositions which comprise compounds of Formula (I) or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: May 3, 2023
    Publication date: March 14, 2024
    Inventors: Indu Bharathan, Symon Gathiaka, Yongxin Han, Xiaoshen Ma, Ryan D. Otte, David L. Sloman, Thomas H. Graham, Timothy Henderson, Elisabeth Hennessy, Anandan Palani
  • Publication number: 20240043448
    Abstract: The disclosure provides compounds of Formula (I) or a pharmaceutically acceptable salt thereof, wherein W1, W2, Y, Z, M, L, Cy, Cz, R1, R2, R3, R4, R2a, Ry, Rz, and the subscripts m, n, q, and r are as described herein. The compounds or their pharmaceutically acceptable salts can inhibit the G12C mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treating cancer. The disclosure also provides pharmaceutical compositions which comprise compounds of Formula (I) or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: May 3, 2023
    Publication date: February 8, 2024
    Inventors: Indu Bharathan, Symon Gathiaka, Yongxin Han, Xiaoshen Ma, Ryan D. Otte, David L. Sloman, Thomas H. Graham, Timothy Henderson, Elisabeth Hennessy, Anandan Palani
  • Patent number: 11697657
    Abstract: The disclosure provides compounds of Formula (I) or a pharmaceutically acceptable salt thereof, wherein W1, W2, Y, Z, M, L, Cy, Cz, R1, R2, R3, R4, R2a, Ry, Rz and the subscripts m, n, q, and r are as described herein. The compounds or their pharmaceutically acceptable salts can inhibit the G12C mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treating cancer. The disclosure also provides pharmaceutical compositions which comprise compounds of Formula (I) or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: July 11, 2023
    Assignee: Merck Sharp & Dohme LLC
    Inventors: Indu Bharathan, Symon Gathiaka, Yongxin Han, Xiaoshen Ma, Ryan D. Otte, David L. Sloman, Thomas H. Graham, Timothy Henderson, Elisabeth Hennessy, Anandan Palani
  • Publication number: 20220402916
    Abstract: Provided are compounds of Formula (I) or a pharmaceutically acceptable salt thereof, wherein Y, CY, R1, R3, R4, R5, R6, R2a, R2b, RMa, RMb, and the subscripts m, n, and q are as described herein. The compounds or their pharmaceutically acceptable salts can inhibit the G12C mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treatment of cancer. Also provided are pharmaceutical compositions which comprise compounds of Formula (I) or pharmaceutically acceptable salts thereof. Also provided are methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: September 18, 2020
    Publication date: December 22, 2022
    Inventors: Andrew J. Hoover, Thomas H. Graham, Xiaoshen Ma, Zahid Hussain, Mihir Mandal, Symon Gathiaka, Yongxin Han, David L. Sloman
  • Publication number: 20210122764
    Abstract: The disclosure provides compounds of Formula (I) or a pharmaceutically acceptable salt thereof, wherein W1, W2, Y, Z, M, L, Cy, Cz, R1, R2, R3, R4, R2a, Ry, Rz and the subscripts m, n, q, and r are as described herein. The compounds or their pharmaceutically acceptable salts can inhibit the G12C mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treating cancer. The disclosure also provides pharmaceutical compositions which comprise compounds of Formula (I) or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: October 27, 2020
    Publication date: April 29, 2021
    Inventors: Indu Bharathan, Symon Gathiaka, Yongxin Han, Xiaoshen Ma, Ryan D. Otte, David L. Sloman, Thomas H. Graham, Timothy Henderson, Elizabeth Hennessy, Anandan Palani
  • Publication number: 20210115003
    Abstract: The present invention is directed to novel pleuromutilin antibiotic compounds, intermediates which are useful for making these novel antibiotic compounds, methods of synthesizing these compounds and related methods and pharmaceutical compositions for treating pathogens┬╗ especially bacterial infections, including gram negative bacteria.
    Type: Application
    Filed: March 29, 2019
    Publication date: April 22, 2021
    Applicant: YALE UNIVERSITY
    Inventors: Seth Herzon, Xiaoshen MA, Olivia Goethe, Abigail Heuer, Zhixun Wang