Patents Assigned to Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
  • Patent number: 12269816
    Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt, a stereoisomer, a tautomer, a polymorph, a solvate, an N-oxide, an isotope labeled compound, a metabolite or a prodrug thereof, a pharmaceutical composition and a pill container comprising same, a preparation method therefor, and the use thereof in the preparation of drugs for preventing or treating STING-mediated related diseases.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: April 8, 2025
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Jinming Liu, Yun Ren, Qiang Tian, Hongmei Song, Tongtong Xue, Jingyi Wang
  • Patent number: 12258419
    Abstract: The present invention relates to the field of therapeutic monoclonal antibodies, and specifically provides an anti-FXI/FXIa antibody or an antigen-binding fragment thereof, nucleic acid molecules encoding same, and methods for preparing same. The anti-FXI/FXIa antibody or antigen-binding fragment thereof described in the present invention has specificity and high affinity to FXI/FXIa, and can effectively inhibit the activity of FXI/FXIa. Therefore, the present invention further provides a pharmaceutical composition comprising the antibody or antigen-binding fragment thereof, and a use thereof in the preparation of a drug which is used for the prevention and/or treatment of diseases or disorders related to coagulation or thromboembolism.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: March 25, 2025
    Assignees: Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd., Klus Pharma Inc.
    Inventors: Haijun Tian, Dengnian Liu, Sujun Deng, Marc Peter Ciucci, Cheng Wang, Yong Zheng, Liang Xiao, Tongtong Xue, Jingyi Wang
  • Publication number: 20250049940
    Abstract: A combination of an anti-TROP-2 antibody-drug conjugate and anti-PD-L1 antibody or other chemotherapeutic drugs such as Carboplatin or Cisplatin, and an application of the combination in the preparation of drugs for preventing and/or treating tumor diseases, wherein the anti-TROP-2 antibody may be Sacituzumab.
    Type: Application
    Filed: January 11, 2023
    Publication date: February 13, 2025
    Applicant: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Xiaoping JIN, Yina DIAO, Qi GUO, Gesha LIU, Lian LU, Yujun WEI, Wenguo YIN, Suxia WANG, Yang PAN, Junyou GE
  • Publication number: 20250000994
    Abstract: The present disclosure relates to methods of treating a cellular proliferative disorder (e.g., cancer) comprising administering: (a) an anti-human PD-1 antibody or antigen binding fragment thereof; and (b) an Immunoconjugate of Formula (I): wherein: Ab is an antibody that binds to Trop-2; and n is an integer from 1 to 10. Also disclosed are therapeutic combinations and kits containing such agents for the treatment of cancers.
    Type: Application
    Filed: December 7, 2023
    Publication date: January 2, 2025
    Applicants: Merck Sharp & Dohme LLC, Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
    Inventors: Junyou Ge, Xiaoping Jin, Yina Diao, Yalan Yang, Yujie Fu, Dian Jing, Hongbo Zhong, Omobolaji Akala, Elliot Keith Chartash, Maria Catherine Pietanza, Bin Zhao
  • Publication number: 20250000990
    Abstract: The present disclosure relates to methods of treating a cellular proliferative disorder (e.g., cancer) comprising administering: (a) an anti-human PD-1 antibody or antigen binding fragment thereof; and (b) an Immunoconjugate of Formula (I): wherein: Ab is an antibody that binds to Trop-2; and n is an integer from 1 to 10. Also disclosed are therapeutic combinations and kits containing such agents for the treatment of cancers.
    Type: Application
    Filed: December 7, 2023
    Publication date: January 2, 2025
    Applicants: Merck Sharp & Dohme LLC, Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
    Inventors: Junyou Ge, Xiaoping Jin, Yina Diao, Jiacheng Yang, Yujie Fu, Zhijiao Qiao, Lihua Chen, Omobolaji Akala, Elliot Keith Chartash, Sarper Toker, Christian H. Poehlein, Blanca Homet Moreno
  • Publication number: 20240425593
    Abstract: An anti-PD-1 antibody or an antigen-binding fragment thereof, nucleic acid molecules encoding same, and methods for preparing same. The anti-PD-1 antibody or the antigen-binding fragment thereof has high specificity and high affinity to PD-1, and can effectively block the binding of PD-1/PD-L1 and PD-1/PD-L2 so as to activate the immune system, thereby achieving the effect of inhibiting tumor growth. Therefore, a pharmaceutical composition containing the antibody or the antigen-binding fragment thereof and a use of the pharmaceutical composition in preparation of drugs are further comprised. The drugs are used for preventing and/or treating tumors, infections, or autoimmune diseases.
    Type: Application
    Filed: September 21, 2020
    Publication date: December 26, 2024
    Applicant: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: DENGNIAN LIU, HAIMIN YU, JIANGJIANG HU, HANJIE LIU, TAO WU, LIANG XIAO, TONGTONG XUE, JINGYI WANG
  • Patent number: 12150944
    Abstract: Disclosed in the present invention is the use of an anti-HER2 antibody-drug conjugate in cancer treatment. Further provided in the present invention is the use of a pharmaceutically acceptable salt, stereoisomer, or metabolite thereof, or a solvate of each of the foregoing in the manufacture of a medicament for the prophylaxis and/or treatment of a cancer insensitive or irresponsive to a treatment with a HER2-targeting agent.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: November 26, 2024
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Hongmei Song, Xiaoxi Yuan, Jing Wang, Liang Xiao, Tongtong Xue, Ping Liu, Lichun Wang, Jingyi Wang
  • Publication number: 20240269312
    Abstract: Provided in the present application are an antibody-drug conjugate, and a preparation method therefor and the use thereof. The antibody drug conjugate has a structure as represented by the formula Ab-[M-L-E-D]x, and the drug is selected from an anti-tubulin agent, a DNA intercalator, a DNA topoisomerase inhibitor and a RNA polymerase inhibitor. The prepared antibody-drug conjugate has a better drug-to-antibody ratio, and has a good targeted killing effect on colon cancer and non-small cell lung cancer (for example, lung adenocarcinoma).
    Type: Application
    Filed: May 23, 2022
    Publication date: August 15, 2024
    Applicants: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD., KLUS PHARMA INC.
    Inventors: Haijun TIAN, Qiang TIAN, Xiaoxi YUAN, Ying-Hua CHANG, Deliang LI, Jiangjiang HU, Yitao ZHANG, Xiaobei WANG, Yong ZHENG, Jian YE, Bo WANG, Yu MIAO, Bingqiang KANG, Fen LI, Zujian TANG, Hanwen DENG, Hongmei SONG, Junyou GE, Jingyi WANG
  • Publication number: 20240158410
    Abstract: The present invention relates to a Camptothecin compound having anti-tumor activity, a preparation method therefor, and an application thereof. Specifically, the present invention relates to a compound as shown below or a pharmaceutically acceptable form thereof, a pharmaceutical composition thereof, a preparation method therefor, and a use thereof.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 16, 2024
    Applicant: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Qiang TIAN, Yitao ZHANG, Yu MIAO, Bo WANG, Jian YE, Xiaobei WANG, Deliang LI, Fen LI, Hongmei SONG
  • Patent number: 11970506
    Abstract: Provided herein are bioactive molecule conjugates, preparation methods and use thereof, particularly bioactive molecule conjugates (such as antibody-drug conjugates and small molecule drug conjugates) obtained by improved coupling of a drug and a targeting moiety, as well as their preparation method and use for the treatment of a disease associated with an abnormal cell activity.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 30, 2024
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Jiaqiang Cai, Shuai Song, Tongtong Xue, Liang Xiao, Hanwen Deng, Qiang Tian, Guoqing Zhong, Lichun Wang, Jingyi Wang
  • Patent number: 11903948
    Abstract: Provided is a preparation method of an antibody-drug conjugate represented by Formula (I), or a pharmaceutically acceptable salt or stereoisomer thereof, or a solvate of the foregoing, wherein A, X, Y, L, D and a are as defined herein.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: February 20, 2024
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Tongtong Xue, Zhenwei Miao, Jing Wang, Gang Chen, Yan Qing, Tong Zhu, Liang Xiao, Hong Zhang, Qiuyan Yang, Dylan Dalun Deng, Liping Liu, Hong Zeng, Li Yin, Qifeng Shi, Hongmei Song, Xi Zhao, Lichun Wang, Jingyi Wang
  • Publication number: 20240018237
    Abstract: The present invention relates to the field of treatment of diseases. Specifically, the present invention relates to an anti-ROR1 antibody or an antigen-binding fragment thereof, nucleic acid molecules for encoding same, and methods for preparing same. The anti-ROR1 antibody or the antigen-binding fragment thereof of the present invention has high specificity and high affinity for ROR1, and can effectively bind ROR1 and mediate killing of ROR1 expression cells. Therefore, the present invention further relates to a pharmaceutical composition comprising the antibody or antigen-binding fragment thereof, and a use thereof in preparation of a drug which is used for prevention and/or treatment of tumors.
    Type: Application
    Filed: February 28, 2022
    Publication date: January 18, 2024
    Applicants: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD., KLUS PHARMA INC.
    Inventors: Haijun TIAN, Yangde CHEN, Ying-Hua CHANG, Zhiqiang ZHU, Wenhui WU
  • Publication number: 20230312556
    Abstract: The present invention relates to an aryl amide compound of formula (I?), a pharmaceutical composition comprising same, a preparation method therefor, and the use thereof for preventing or treating tumor-related diseases or conditions.
    Type: Application
    Filed: October 15, 2021
    Publication date: October 5, 2023
    Applicant: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Zhonghui CHEN, Xiaojun HAN, Qian LIU, Qiang TIAN, Hongmei SONG, Junyou GE, Jingyi WANG
  • Publication number: 20230293536
    Abstract: The present invention provides an anti-ErbB2 antibody-drug conjugate, a composition comprising the conjugate, a method for preparing the conjugate, and use of the conjugate.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicant: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Tongtong XUE, Zhenwei MIAO, Jing WANG, Gang CHEN, Yan QING, Tong ZHU, Liang XIAO, Hong ZHANG, Qiuyan YANG, Dylan Dalun DENG, Liping LIU, Hong ZENG, Li YIN, Qifeng SHI, Hongmei SONG, Xi ZHAO, Lichun WANG, Jingyi WANG
  • Publication number: 20230287122
    Abstract: Provided is an anti-PD-L1 antibody preparation, including an anti-PD-L1 antibody, a buffer solution and sodium chloride, without added sugars and/or sugar alcohols. Also provided is the use of the anti-PD-L1 antibody preparation in the preparation of drugs for preventing and/or treating and/or adjuvant treating and/or diagnosing a tumor or anemia.
    Type: Application
    Filed: November 26, 2019
    Publication date: September 14, 2023
    Applicants: HARBOUR BIOMED THERAPEUTICS LIMITED, SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Liang XIAO, Liping DENG, Haiyu HUANG, Qigang LIU, Liping LIU, Dalton GUO, Tongtong XUE, Jingyi WANG
  • Publication number: 20230192840
    Abstract: The present application relates to the field of treatment of diseases, and in particular, to an anti-CLDN18.2 antibody or an antigen-binding fragment thereof, nucleic acid molecules for encoding said antibody and fragment, and method for preparing said antibody and fragment. The anti-CLDN18.2 antibody or the antigen-binding fragment thereof has high specificity and affinity to CLDN18.2, and can effectively bind to CLDN18.2 and mediate the killing of CLDN18.2 expressing cells. Therefore, the present application further relates to a pharmaceutical composition comprising the antibody or the antigen-binding fragment thereof, and use thereof in the preparation of drugs, wherein the drugs are used for the prevention and/or treatment of tumors.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 22, 2023
    Applicants: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD., KLUS PHARMA INC.
    Inventors: Haijun TIAN, Sujun DENG, Chunxia ZHAO, Hong LI, Dengnian LIU, Hu LONG, Cheng WANG, Liang XIAO, Tongtong XUE, Jingyi WANG
  • Patent number: 11667629
    Abstract: The present invention generally relates to an isoxazole derivative, a preparation therefor, and a use thereof. In particular, the present invention provides a farnesoid X receptor (FXR) agonist compound, and a stereoisomer, a tautomer, a polymorph, a solvate (e.g., a hydrate), a pharmaceutically acceptable salt, an ester, a metabolite, and an N-oxide, and the chemically protected forms and prodrugs thereof. The present invention further provides a preparation method for the compound, an intermediate thereof, and a pharmaceutical composition and kit containing the same and used thereof for treating FXR-mediated diseases or conditions.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 6, 2023
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Jinming Liu, Jiaqiang Cai, Yongyong Wu, Wei Yin, Lichun Wang, Jingyi Wang
  • Patent number: 11655295
    Abstract: The present invention relates to the field of treatment of diseases and immunology. Specifically, the present invention relates to an anti-LAG-3 antibody or an antigen-binding fragment thereof, nucleic acid molecules for encoding said antibody and fragment, and method for preparing said antibody and fragment. The anti-LAG-3 antibody or the antigen-binding fragment thereof according to the present invention has high specificity and high affinity to LAG-3, can effectively block the binding of LAG-3 to MHC II and/or FGL1, and can inhibit and/or block intracellular signaling mediated by LAG-3 binding to MHC II and/or FGL1. Therefore, the present invention further relates to a pharmaceutical composition comprising the antibody or the antigen-binding fragment thereof, and use of the pharmaceutical composition in the preparation of drugs.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: May 23, 2023
    Assignee: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
    Inventors: Tongtong Xue, Qiang Li, Liang Xiao, Yuncheng Zheng, Dengnian Liu, Si Chen, Yan Hu, Lichun Wang, Jingyi Wang
  • Patent number: 11541049
    Abstract: Provided are tetrahydroisoquinoline derivatives, the preparation and use thereof. More specifically, provided are the tetrahydroisoquinoline derivatives or a pharmaceutically acceptable salt, ester, stereoisomer, tautomer, polymorph, solvate, isotopically labeled compound, metabolite or prodrug thereof. Further provided are a preparation process of the compound, the intermediates, a pharmaceutical composition comprising the compound and the use thereof in the treatment or prevention of a thromboembolic disorder.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: January 3, 2023
    Assignee: Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
    Inventors: Yongyong Wu, Jiaqiang Cai, Guangchao Zhang, Shuangshuang Duan, Chaolei Wang, Lichun Wang, Jingyi Wang
  • Publication number: 20220363781
    Abstract: Related are an anti-TSLP antibody or an antigen-binding fragment thereof, nucleic acid molecules coding the same, and a method for preparing the same. The anti-TSLP antibody or the antigen-binding fragment thereof have high affinity to TSLP, capable of effectively binding with TSLP and blocking the proliferative effect of TSLP with respect to Ba/F3-hTSLPR-hIL7R? cells, and blocking the capability of TSLP in activating and secreting cytokines with respect to PBMC. At the same time, further related are a medicinal composition comprising the antibody or the antigen-binding fragment thereof, and uses of the composition in preparing a medicament for preventing and/or treating asthma, allergic inflammation, an allergic reaction or autoimmune disease.
    Type: Application
    Filed: December 8, 2020
    Publication date: November 17, 2022
    Applicants: SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD., Harbour Biomed (Suzhou) Co., Ltd.
    Inventors: Liang XIAO, Jinqiu HE, Tongtong XUE, Hongshui LIU, Jingyi WANG, Hongzhuan GU, Shuntao LUO, Yiping RONG, Dengnian LIU, Yun HE