Patents by Inventor Dajun Yang

Dajun Yang 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: 12728113
    Abstract: Provided herein is a microsuspension of an MDM2 inhibitor, comprising microparticles of the MDM2 inhibitor, e.g., a compound of Formula (I), a surfactant, and a tonicity agent. Also provided herein is a method of treating an MDM2-mediated disorder, disease, or condition with the microsuspension.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: September 8, 2026
    Assignees: Ascentage Pharma (Suzhou) Co., Ltd., Ascentage Pharma Group Corp Limited
    Inventors: Saijie Zhu, Douglas Dong Fang, Yifan Zhai, Dajun Yang
  • Publication number: 20260240843
    Abstract: A pharmaceutical composition and the use thereof. Specifically, disclosed is a pharmaceutical composition, comprising: a substance X, which is a compound as represented by formula (I), a pharmaceutically acceptable salt thereof, a solvate thereof, or a solvate of the pharmaceutically acceptable salt thereof; and a substance Y, which is doxorubicin, a pharmaceutically acceptable salt thereof, a solvate thereof, or a solvate of the pharmaceutically acceptable salt thereof. The pharmaceutical composition has a synergistic effect against ovarian cancer.
    Type: Application
    Filed: March 22, 2024
    Publication date: August 20, 2026
    Inventors: Zhou Yu, Xinyi Yao, Yan Xiong, Zhiyan Liang, Yifan Zhai, Dajun Yang, Yanhua Tu
  • Publication number: 20260199376
    Abstract: Described herein are methods of treating a cancer, for example, a hematologic malignancy or a solid tumor, in a patient in need thereof, comprising administering to the patient a Bcl-2 inhibitor in combination with a second anti-cancer agent.
    Type: Application
    Filed: November 26, 2025
    Publication date: July 16, 2026
    Inventors: Yifan ZHAI, Dajun YANG, Douglas Dong FANG, Guangfeng WANG, Jing DENG, Qiuqiong TANG, Ran TAO
  • Publication number: 20260183278
    Abstract: The present invention relates to methods for treating patients with cancer, including patients with hematological malignancy, wherein the method comprises administering to the patient a therapeutically effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are as defined herein.
    Type: Application
    Filed: December 17, 2025
    Publication date: July 2, 2026
    Inventors: Yifan ZHAI, Zi Chen, Qian Jiang, Xiaojun Huang, Wei Liu, Dajun Yang
  • Patent number: 12648945
    Abstract: Methods for treating systemic lupus erythematosus using compounds or pharmaceutical compositions that modulate the activity of Bcl-2 family proteins are disclosed. In some methods, the patient to be treated is diagnosed with lupus nephritis. In some methods, the compound or pharmaceutical composition is administered to the patient in need thereof at a therapeutically effective dose sufficient to elicit one or more effects selected from: reduced excretion of protein in the urine of the patient, reduced serum anti-dsDNA autoantibody levels in the patient, reduced skin lesion severity in the patient, reduced lymphadenopathy severity in the patient, reduced glomerulonephritis severity in the patient, reduced vasculitis severity in the patient, reduced lymphocyte cell counts in a peripheral blood mononuclear cell (PMBC) panel taken from the patient, reduced lymphocyte cell counts in the spleen of the patient, and reduced lymphocyte infiltration of the kidneys of the patient.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: June 9, 2026
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Yifan Zhai, Dajun Yang, Dong Fang, Saijie Zhu
  • Publication number: 20260053815
    Abstract: The present invention relates to a combination product comprising a Bcl-2/Bcl-xL inhibitor and a chemotherapeutic agent, in particular a Bcl-2/Bcl-xL inhibitor of formula I-A and homoharringtonine or an active derivative thereof, in free or pharmaceutically acceptable salt or solvate form. The invention also relates to the use of the aforementioned combination for the preparation of a medicament for the prevention and/or treatment of cancer, in particular of hematological malignancies, and to a method for the prevention and/or treatment of cancer, in particular of hematological malignancies, using the aforementioned combination.
    Type: Application
    Filed: June 27, 2025
    Publication date: February 26, 2026
    Inventors: Dajun YANG, Yifan ZHAI, Douglas Dong FANG, Qiuqiong TANG
  • Patent number: 12544370
    Abstract: The present invention relates to methods for treating patients with cancer, including patients with hematological malignancy, wherein the method comprises administering to the patient a therapeutically effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 and R2 are as defined herein.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: February 10, 2026
    Assignee: ASCENTAGE PHARMA (SUZHOU) CO., LTD.
    Inventors: Yifan Zhai, Zi Chen, Qian Jiang, Xiaojun Huang, Wei Liu, Dajun Yang
  • Patent number: 12514863
    Abstract: Described herein are methods of treating a cancer, for example, a hematologic malignancy or a solid tumor, in a patient in need thereof, comprising administering to the patient a Bcl-2 inhibitor in combination with a second anti-cancer agent.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: January 6, 2026
    Assignees: Ascentage Pharma (Suzhou) Co., Ltd., Ascentage Pharma Group Corp Limited
    Inventors: Yifan Zhai, Dajun Yang, Douglas Dong Fang, Guangfeng Wang, Jing Deng, Qiuqiong Tang, Ran Tao
  • Publication number: 20250281511
    Abstract: Described herein are methods of treating a hematologic malignancy in a patient in need thereof, comprising administering to the patient a Bcl-2 inhibitor in a step-wise dosing regimen.
    Type: Application
    Filed: May 23, 2025
    Publication date: September 11, 2025
    Inventors: Yifan ZHAI, Dajun YANG, Zi CHEN
  • Patent number: 12370197
    Abstract: Provided herein is a combination product comprising a Bcl-2/Bcl-xL inhibitor and a chemotherapeutic agent, in particular a Bcl-2/Bcl-xL inhibitor of formula (I-A) and homoharringtonine or an active derivative thereof, in free or pharmaceutically acceptable salt or solvate form. Provided herein is also the use of the aforementioned combination for the preparation of a medicament for the prevention and/or treatment of cancer, in particular of hematological malignancies, and to a method for the prevention and/or treatment of cancer, in particular of hematological malignancies, using the aforementioned combination.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: July 29, 2025
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Dajun Yang, Yifan Zhai, Douglas Dong Fang, Qiuqiong Tang
  • Publication number: 20250235426
    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: Application
    Filed: January 17, 2025
    Publication date: July 24, 2025
    Inventors: YIFAN ZHAI, DAJUN YANG, DOUGLAS DONG FANG, QIUQIONG TANG
  • Patent number: 12343352
    Abstract: Described herein are methods of treating a hematologic malignancy in a patient in need thereof, comprising administering to the patient a Bcl-2 inhibitor in a step-wise dosing regimen.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: July 1, 2025
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Yifan Zhai, Dajun Yang, Zi Chen
  • Publication number: 20250195473
    Abstract: The present invention relates to single therapy comprising an effective amount of a MDM2 inhibitor, as well as combination therapies comprising an effective amount of a modulator of the immune checkpoint molecule; and an effective amount of a MDM2 inhibitor, wherein the MDM2 inhibitor is represented by the following formula or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 26, 2025
    Publication date: June 19, 2025
    Inventors: Dajun YANG, Yifan ZHAI, Douglas Dong FANG, Qiuqiong TANG
  • Publication number: 20250152580
    Abstract: Methods for treating immune diseases, specifically methods for the prevention and/or inhibition of autoimmune response or overactive immune response, comprising administering to the subject an effective amount of a compound of formula I, X or XI, or a pharmaceutically acceptable salt or solvate thereof. Methods for the prevention and/or inhibition of autoimmune disease, allergic disease or immune-mediated inflammatory disease, comprising administering to the subject an effective amount of a compound of formula I, X or XI, or a pharmaceutically acceptable salt or solvate thereof.
    Type: Application
    Filed: March 6, 2023
    Publication date: May 15, 2025
    Inventors: Yifan ZHAI, Dajun YANG, Lei YANG, Douglas Dong FANG, Yanhui KONG
  • 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