Patents by Inventor Yifan Zhai

Yifan Zhai 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: 12287338
    Abstract: Provided are biomarkers for predicting the efficacy of MDM2 inhibitor or Bcl-2/Bcl-xL dual inhibitors or Bcl-2 inhibitor or Bcl-xL inhibitor in treating cancer patients. Also provided are compositions, e.g., kits, for evaluating gene levels of the biomarkers and methods of using such gene levels to predict a cancer patient's response to the MDM2 inhibitors or Bcl-2/Bcl-xL dual inhibitors or Bcl-2 inhibitor or Bcl-xL inhibitor. Such information can be used in determining prognosis and treatment options for cancer patients.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 29, 2025
    Assignees: Ascentage Pharma (Suzhou) Co., Ltd., Ascentage Pharma Group Corp Limited
    Inventors: Yifan Zhai, Dajun Yang, Douglas Dong Fang, Ran Tao
  • Publication number: 20250114329
    Abstract: Provided are methods for treating hematologic malignancy, especially AML-MRC, MDS and/or MM. Specifically, provided are methods for treating AML-MRC and MDS with a compound of formula (I) or a pharmaceutically acceptable salt thereof, optionally in combination with at least one additional anti-cancer agent such as 5-azacitidine or cytarabine, and treating MM with a compound of formula (I) or a pharmaceutically acceptable salt thereof, optionally in combination with at least one additional anti-cancer agent such as pomalidomide, thalidomide, lenalidomide, and/or dexamethasone.
    Type: Application
    Filed: January 11, 2023
    Publication date: April 10, 2025
    Inventors: Dajun YANG, Yifan ZHAI, Guangfeng WANG, Ping MIN
  • Patent number: 12268665
    Abstract: Disclosed herein are combination therapies comprising an effective amount of a modulator of the immune checkpoint molecule; and an effective amount of a MDM2 inhibitor.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 8, 2025
    Assignee: ASCENTAGE PHARMA (SUZHOU) CO., LTD
    Inventors: Dajun Yang, Yifan Zhai, Douglas Dong Fang, Qiuqiong Tang
  • Publication number: 20250099440
    Abstract: The present invention pertains to the pharmaceutical field, and particularly relates to a pharmaceutical combination comprising a Bcl-2 inhibitor or a Bcl-2/Bcl-xL inhibitor and one or more anticancer reagents, and the use of the combination to treat a disease such as cancer, specifically acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL) or multiple myeloma (MM) resistant or insensitive to Bcl-2 inhibitors and/or carrying Bcl-2 mutation and/or TP53 mutation. The invention also relates to a pharmaceutical composition or kit comprising the combination.
    Type: Application
    Filed: August 2, 2022
    Publication date: March 27, 2025
    Inventors: Yifan ZHAI, Dajun YANG, Jing DENG, Douglas Dong FANG, Bing Z. CARTER, Michael ANDREEFF
  • Patent number: 12233047
    Abstract: The invention discloses a novel pharmaceutical combination and a use thereof. The pharmaceutical combination comprises a compound of formula (I), a pharmaceutically acceptable salt thereof or a solvate thereof; and a compound of formula (II), a pharmaceutically acceptable salt thereof or a solvate thereof. The pharmaceutical combination can be used to treat cancer.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: February 25, 2025
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Yifan Zhai, Dajun Yang, Douglas Dong Fang, Qiuqiong Tang
  • Patent number: 12194024
    Abstract: Provided herein are pharmaceutical compositions comprising an MDM2 inhibitor and one or more anti-cancer agents for preventing and/or treating diseases, such as cancer. Methods for preventing and/or treating diseases, such as cancer, comprising administering to the patient in need thereof with the pharmaceutical compositions are also provided.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: January 14, 2025
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Dajun Yang, Yifan Zhai, Qiuqiong Tang, Douglas Dong Fang, Jing Deng
  • Patent number: 12186304
    Abstract: The present disclosure pertains to the field of biomedicine, and specifically relates to a method for treating, suppressing, reducing the severity of, lowering the risk of, or inhibiting the metastasis of cancer in an individual, the method comprising administering to the individual a therapeutically effective amount of an IAP inhibitor, a therapeutically effective amount of a modulator of an immune checkpoint molecule, and optionally a therapeutically effective amount of a tubulin inhibitor. The present disclosure further relates to a pharmaceutical composition or kit comprising an IAP inhibitor, a modulator of an immune checkpoint molecule, and optionally a tubulin inhibitor.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: January 7, 2025
    Assignee: Ascentage Pharma (Suzhou) Co., LTD.
    Inventors: Dajun Yang, Yifan Zhai, Douglas Dong Fang, Guangfeng Wang, Qiuqiong Tang, Wentao Pan, Jiao Ji
  • Publication number: 20240390401
    Abstract: The present disclosure provides a pharmaceutical composition comprising a Bcl-2/Bcl-xL inhibitor, a chemotherapeutic agent, and a pharmaceutically acceptable carrier. The present disclosure also provides a method of treating cancer, comprising administering to a subject in need thereof a therapeutically effective amount of a Bcl-2/Bcl-xL inhibitor and a therapeutically effective amount of a chemotherapeutic agent. The present disclosure also provides use of a combination of a Bcl-2/Bcl-xL inhibitor and a chemotherapeutic agent in the manufacture of an anti-tumor medicament. In the present disclosure, a significantly enhanced anti-tumor effect can be achieved by administration of a Bcl-2/Bcl-xL inhibitor in combination with a chemotherapeutic agent.
    Type: Application
    Filed: June 25, 2024
    Publication date: November 28, 2024
    Inventors: Dajun YANG, Yifan ZHAI, Guangfeng WANG, Douglas Dong FANG, Jing DENG, Miaozhen QIU, Lin ZHANG
  • Publication number: 20240366611
    Abstract: Disclosed is a method for preventing and/or treating a disease or disorder associated with a defect in hemoglobin protein activity or expression or innate immune response, type 1 or type 3 immunity related immune disorder, which comprises administering to a subject in need thereof a therapeutically effective amount of a substance X or a pharmaceutical composition comprising the substance X; the substance X is a compound of Formula I, a pharmaceutically acceptable salt or solvate thereof.
    Type: Application
    Filed: August 12, 2022
    Publication date: November 7, 2024
    Inventors: Yifan ZHAI, Dajun YANG, Saijie ZHU, Lei YANG, Douglas Dong FANG
  • Publication number: 20240316051
    Abstract: Provided herein are the pharmaceutical combination comprising an embryonic ectoderm development (EED) inhibitor and one or more anticancer reagents, and the use of the combination in the treatment of a disease. Provided also is a pharmaceutical composition or a kit comprising the combination.
    Type: Application
    Filed: April 19, 2022
    Publication date: September 26, 2024
    Inventors: Yifan ZHAI, Dajun YANG, Douglas Dong FANG, Saijie ZHU, Hengrui ZHU, Ran TAO
  • Publication number: 20240316069
    Abstract: Disclosed are methods of treating multiple sclerosis. The method comprises: administering an effective amount of a compound represented by Formula I below, a pharmaceutically acceptable salt or solvate thereof to a subject in need thereof.
    Type: Application
    Filed: December 28, 2021
    Publication date: September 26, 2024
    Inventors: Saijie ZHU, Douglas D. FANG, Yifan ZHAI, Dajun YANG
  • Patent number: 12083136
    Abstract: The present disclosure provides a pharmaceutical composition comprising a Bcl-2/Bcl-xL inhibitor, a chemotherapeutic agent, and a pharmaceutically acceptable carrier. The present disclosure also provides a method of treating cancer, comprising administering to a subject in need thereof a therapeutically effective amount of a Bcl-2/Bcl-xL inhibitor and a therapeutically effective amount of a chemotherapeutic agent. The present disclosure also provides use of a combination of a Bcl-2/Bcl-xL inhibitor and a chemotherapeutic agent in the manufacture of an anti-tumor medicament. In the present disclosure, a significantly enhanced anti-tumor effect can be achieved by administration of a Bcl-2/Bcl-xL inhibitor in combination with a chemotherapeutic agent.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: September 10, 2024
    Assignee: ASCENTAGE PHARMA (SUZHOU) CO., LTD
    Inventors: Dajun Yang, Yifan Zhai, Guangfeng Wang, Douglas Dong Fang, Jing Deng, Miaozhen Qiu, Lin Zhang
  • Patent number: D1044350
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: October 1, 2024
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1047433
    Type: Grant
    Filed: June 21, 2024
    Date of Patent: October 22, 2024
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1048773
    Type: Grant
    Filed: June 24, 2024
    Date of Patent: October 29, 2024
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1053560
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: December 10, 2024
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1054590
    Type: Grant
    Filed: August 21, 2024
    Date of Patent: December 17, 2024
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1058193
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: January 21, 2025
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1059912
    Type: Grant
    Filed: August 21, 2024
    Date of Patent: February 4, 2025
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai
  • Patent number: D1069171
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: April 1, 2025
    Assignee: Jingning Meige Technology Service Co., Ltd.
    Inventor: Yifan Zhai