Patents by Inventor Xunqiang Wang

Xunqiang Wang 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: 20230321104
    Abstract: A pyrido[1,2-a]pyrimidinone compound or a pharmaceutical composition thereof for treating peripheral T cell lymphoma, and a method for or use of a pyrido[1,2-a]pyrimidinone compound for treating peripheral T cell lymphoma.
    Type: Application
    Filed: September 15, 2021
    Publication date: October 12, 2023
    Inventors: Fan FENG, Xunqiang WANG, Ying ZHAO, XI HAN, Li CHEN, Ruiting MA, Naiying WU
  • Publication number: 20230310596
    Abstract: The present invention belongs to the field of biomedicines, relates to a drug for treating tumors, and provides use of an anti-PD-L1 antibody or a pharmaceutical composition thereof in preparation of a drug for treating endometrial cancer. Also provided is use of the anti-PD-L1 antibody or the pharmaceutical composition thereof in preparation of a drug for treating a MSI-H and/or dMMR tumor. In addition, also provided is use of a pharmaceutical combination of the anti-PD-L1 antibody and Anlotinib or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition thereof in preparation of a drug for treating endometrial cancer.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 5, 2023
    Inventors: Nan SU, Xiquan ZHANG, Jie CHEN, Xunqiang WANG, Kun LI, Ding YU, Rongliang WANG
  • Publication number: 20230263795
    Abstract: Provided are a combined pharmaceutical composition of an anti-PD-L1 antibody and a c-Met kinase inhibitor, specifically, a combined pharmaceutical composition of an anti-PD-L1 antibody and N-(4-((7-((1-(cyclopentylamino)cyclopropyl)methoxy)-6-methoxyquinolin-4-yl)oxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide, and the use of the combined pharmaceutical composition in the treatment of cancers, in particular, gastric cancer or liver cancer.
    Type: Application
    Filed: June 1, 2021
    Publication date: August 24, 2023
    Inventors: Xiquan ZHANG, Xunqiang Wang, Ding Yu, Tao LIU, Xiaole ZHAN, Naiying WU
  • Publication number: 20230227556
    Abstract: The present invention relates to the field of biomedicines. Disclosed is a combination drug for treating kidney cancer, comprising an anti-PD-L1 antibody and anlotinib or a pharmaceutically acceptable salt thereof. The present invention also provides use of the combination drug in the preparation of drugs for treating kidney cancer.
    Type: Application
    Filed: April 30, 2021
    Publication date: July 20, 2023
    Inventors: Anqi YANG, Xiquan ZHANG, Xunqiang WANG, Ding YU, Lin LI, Rongliang WANG
  • Publication number: 20230133735
    Abstract: The present invention relates to use of a pyrrolopyrimidine compound for treating hemophagocytic syndrome, and particularly relates to use of a compound of formula (I), a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition thereof for treating hemophagocytic syndrome.
    Type: Application
    Filed: March 9, 2021
    Publication date: May 4, 2023
    Applicants: CHIA TAI TIANQING PHARMACEUTICAL CO. ,LTD., LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD., SHOUYAO HOLDINGS (BEIJING) CO., LTD.
    Inventors: HONGMING LIANG, XIQUAN ZHANG, XUNQIANG WANG, DING YU, DONG WANG, Qi GE, ZHAO WANG, YINI WANG
  • Publication number: 20230132982
    Abstract: The present application belongs to the field of medicinal chemistry, and relates to a use of a pyrido[1,2-a]pyrimidinone compound in treating lymphoma. Specifically, the present application relates to a pyrido[1,2-a]pyrimidinone compound or a pharmaceutical composition thereof for treating lymphoma, and a method or use of pyrido[1,2-a]pyrimidinone compound in treating lymphoma.
    Type: Application
    Filed: February 10, 2021
    Publication date: May 4, 2023
    Inventors: Fan FENG, Xunqiang WANG, Li CHEN, Xi HAN, Naiying WU, Ruiting MA, Chaoqiang YANG
  • Publication number: 20230119759
    Abstract: The present invention belongs to the field of medicinal chemistry, and relates to a pharmaceutical combination comprising a pyridino[1,2-a]pyrimidinone compound. In particular, the pharmaceutical combination comprises a compound of formula I or a pharmaceutically acceptable salt thereof and a fulvestrant or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 10, 2021
    Publication date: April 20, 2023
    Inventors: Anqi YANG, Xiquan ZHANG, Xunqiang WANG, Ding YU, Fangfang GUO
  • Patent number: 11554115
    Abstract: The present invention provides a quinoline derivative for treating triple-negative breast cancer and use thereof in preparing a pharmaceutical composition for treating a tumor.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: January 17, 2023
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Xin Tian, Peng Lv, Ling Yang, Xiangjian Wang, Xiquan Zhang, Shanchun Wang, Xunqiang Wang, Hai Jiang
  • Patent number: 11419862
    Abstract: The present invention provides a quinoline derivative for the treatment of nasopharyngeal carcinoma and use thereof in preparation of a pharmaceutical composition for tumor treatment.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: August 23, 2022
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Shanchun Wang, Jun Shen, Xi Han, Xunqiang Wang, Shaonan Tang, Shuqing Cao, Xiquan Zhang, Hao Yu, Maoqiong Pan, Ping Xu, Chengqian Wang
  • Publication number: 20220193067
    Abstract: The present invention belongs to the field of medicine, and provides a quinoline compound or a pharmaceutically acceptable salt thereof for treating Ewing's sarcoma, and particularly relates to use of compound I or a pharmaceutically acceptable salt thereof in the preparation of a medicament for treating Ewing's sarcoma and use of compound I or a pharmaceutically acceptable salt thereof in combination with a second therapeutic agent in the preparation of a combination medicament for treating Ewing's sarcoma. The chemical name of compound I is 1[[[4-(4-fluoro-2-methyl-1H-indo1-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopropanamine.
    Type: Application
    Filed: April 20, 2020
    Publication date: June 23, 2022
    Inventors: Xiaole ZHAN, Lifan TU, Chaoqiang YANG, Xiquan ZHANG, Xunqiang WANG, Jie XU, Ping XU, Chengqian WANG
  • Publication number: 20220175759
    Abstract: The present invention relates to the field of biomedicine and relates to a combined pharmaceutical composition used for treating small cell lung cancer, the composition comprising an anti-PD-L1 antibody and anlotinib, and having good anti-small cell lung cancer activity.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 9, 2022
    Inventors: Shanchun WANG, Xunqiang WANG, Ding YU, Wenwen LIU, Chao SHU, Mengxue FAN
  • Publication number: 20220089742
    Abstract: The present application relates to the field of biomedicine, and relates to a combined pharmaceutical composition for treating biliary tract tumor, liver cancer, triple negative breast cancer or lung cancer. The combined pharmaceutical composition comprises an anti-PD-L1 antibody and anlotinib, and has good anti-biliary tract tumor, liver cancer, triple negative breast cancer or lung cancer activity.
    Type: Application
    Filed: January 23, 2020
    Publication date: March 24, 2022
    Inventors: Xiquan ZHANG, Xunqiang WANG, Chaoqiang YANG, Yuchen FAN, Mengxue FAN, Fan FENG, Nan SU, Yao LIU, Chi ZHANG, Hai JIANG
  • Publication number: 20220031689
    Abstract: The present application relates to the field of medicine, and provided thereby is a quinoline derivative used for treating small cell lung cancer. The 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopropylamine or a pharmaceutically acceptable salt thereof as provided by the present application may be used for the treatment of small cell lung cancer, especially for patients suffering from refractory relapsed small cell lung cancer, which may significantly prolong the survival time thereof; in addition, the therapeutic effect on brain metastatic small cell lung cancer is also very significant.
    Type: Application
    Filed: September 18, 2019
    Publication date: February 3, 2022
    Inventors: Shanchun WANG, Ding YU, Xunqiang WANG, Bangan PENG, Lu LIU, Jie DAI, Hang ZHOU, Yadong MIAO
  • Patent number: 10888559
    Abstract: The present application provides a quinoline derivative against non-small cell lung cancer. 1-[[[4-(4-fluoro-2-methyl)-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopropylamine or a pharmaceutically acceptable salt thereof provided by the present application can be used for the treatment of non-small cell lung cancer, and relative to placebo, can significantly improve non-small cell lung cancer patients without progression of survival. 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclo propylamine or a pharmaceutically acceptable salt thereof provided by the present application can be used for the treatment of lung adenocarcinoma, and relative to placebo, can significantly improve lung adenocarcinoma patients without progression of survival.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: January 12, 2021
    Inventors: Xunqiang Wang, Yadong Miu, Min Zhou, Shanchun Wang, Ling Yang, Wei Shi
  • Publication number: 20200405709
    Abstract: The present invention provides a quinoline derivative for treating triple-negative breast cancer and use thereof in preparing a pharmaceutical composition for treating a tumor.
    Type: Application
    Filed: March 13, 2019
    Publication date: December 31, 2020
    Inventors: Xin TIAN, Peng LV, Ling YANG, Xiangjian WANG, Xiquan ZHANG, Shanchun WANG, Xunqiang WANG, Hai JIANG
  • Publication number: 20200352932
    Abstract: The present invention provides a quinoline derivative for the treatment of nasopharyngeal carcinoma and use thereof in preparation of a pharmaceutical composition for tumor treatment.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 12, 2020
    Inventors: Shanchun WANG, Jun SHEN, Xi HAN, Xunqiang WANG, Shaonan TANG, Shuqing CAO, Xiquan Zhang, Hao YU, Maoqiong PAN, Ping XU, Chengqian WANG
  • Publication number: 20200316053
    Abstract: The present disclosure relates to a new use of anlotinib, and relates in particular to anlotinib inhibiting osteosarcoma and chondrosarcoma growth and metastasis. It has been discovered for the first time that anlotinib can inhibit osteosarcoma and chondrosarcoma growth and metastasis. Anlotinib can significantly inhibit the growth of the osteosarcoma cell lines 143B, U2OS, MG63 and SJSA, induce cycle arrest in said cell lines, and can also inhibit osteosarcoma cell line migration and invasion. It has also been discovered for the first time that anlotinib can enhance the killing effect of the chemotherapeutic drug cisplatin on osteosarcoma cells.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 8, 2020
    Inventors: Yingqi HUA, Gangyang WANG, Zhengdong CAI, Zhuoying WANG, Tao ZHANG, Hongsheng WANG, Mengxiong SUN, Xunqiang WANG, Xiaole ZHAN, Zhaoqiang YANG, Lifan TU, Pu LI
  • Patent number: 10736887
    Abstract: Provided in the present invention is a quinoline derivative for treating gastric cancer. 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopropylamine or a pharmaceutically acceptable salt, a hydrate or a prodrug thereof as provided in the present application can effectively treat gastric cancer, and can stabilize or relieve the state of illness of a gastric cancer patient.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: August 11, 2020
    Inventors: Jie Chen, Xi Han, Hai Jiang, Xunqiang Wang
  • Patent number: 10561647
    Abstract: Provided in the present invention are a use of quinoline derivatives for treating oesophageal cancer and a treatment method, a pharmaceutical composition and a kit thereof. The 1-[[[4-(4-fluoro-2-methyl-1H-indole-5-yl)oxy-6-methoxyquinoline-7-yl]oxy]methyl]cyclopropylamine provided by the present invention can effectively treat oesophageal cancer, and reduce the sum of the diameters of patient's target lesions.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: February 18, 2020
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Xunqiang Wang, Ling Yang, Zhongnan Xu, Xiangjian Wang, Wenjun Geng
  • Publication number: 20190298712
    Abstract: The present application provides a quinoline derivative against non-small cell lung cancer. 1-[[[4-(4-fluoro-2-methyl)-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclopropylamine or a pharmaceutically acceptable salt thereof provided by the present application can be used for the treatment of non-small cell lung cancer, and relative to placebo, can significantly improve non-small cell lung cancer patients without progression of survival. 1-[[[4-(4-fluoro-2-methyl-1H-indol-5-yl)oxy-6-methoxyquinolin-7-yl]oxy]methyl]cyclo propylamine or a pharmaceutically acceptable salt thereof provided by the present application can be used for the treatment of lung adenocarcinoma, and relative to placebo, can significantly improve lung adenocarcinoma patients without progression of survival.
    Type: Application
    Filed: April 12, 2019
    Publication date: October 3, 2019
    Inventors: Xunqiang Wang, Yadong Miu, Min Zhou, Shanchun Wang, Ling Yang, Wei Shi