Publication number: 20230010108
Abstract: The present invention relates to a conjugate of a cytotoxic drug/molecule to a cell-binding molecule with a bis-linker (a dual-linker) containing a 2,3-diaminosuccinyl group. It also relates to preparation of the conjugate of a cytotoxic drug/molecule to a cell-binding molecule with the bis-linker, particularly when the drug having functional groups of amino, hydroxyl, diamino, amino-hydroxyl, dihydroxyl, carboxyl, hydrazine, aldehyde and thiol for conjugation with the bis-linker in a specific manner, as well as the therapeutic use of the conjugates.
Type:
Application
Filed:
October 12, 2018
Publication date:
January 12, 2023
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Robert Yongxin ZHAO, Qingliang YANG, Yuanyuan HUANG, Linyao ZHAO, Hangbo YE, Xiaotao ZHUO, Chengyu YANG, Jun LEI, Yifang XU, Huihui GUO, Wenjun LI, Shun GAI, Lu BAI, Zhixiang GUO, Junxiang JIA, Jun ZHENG, Xiaomai ZHOU, Hongsheng XIE, Qianqian TONG, Mingjun CHAO, Yanhong TONG, Zhicang YE, Chen LIN, Yanlei YANG, Binbin CHEN
Publication number: 20230001001
Abstract: A conjugation of a cytotoxic drug to a cell-binding molecule with a bis-linker (dual-linker) as shown in Formula (I). Bis-linkage methods of making a conjugate of a cytotoxic drug/molecule to a cell-binding agent in a specific manner are also described, as well as application of the conjugates for the treatment of a cancer, or an autoimmune disease, or an infectious disease. wherein “” is an optional bond; X, Y, Z1, and Z2 are a functional group; m1 and n are a integer; L1 and L2 are a linker.
Type:
Application
Filed:
July 30, 2021
Publication date:
January 5, 2023
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Robert Yongxin ZHAO, Yuanyuan HUANG, Qingliang YANG, Shun GAI, Hangbo YE, Linyao ZHAO, Chengyu YANG, Yifang XU, Huihui GUO, Minjun CHAO, Qianqian TONG, Wenjun LI, Xiang CAI, Xiaomai ZHOU, Hongsheng XIE, Junxiang JIA, Haifeng ZHU, Zhixiang GUO, Shuihong GAO, Chunyan WANG, Chen LIN, Yanlei YANG, Zhicang YE, Jie PENG, Jun XU, Xiaotao ZUO, Qingyu SU
Publication number: 20220323602
Abstract: The present invention relates to linkers having a group of propiolyl, substituted acryl (acryloyl), or disubstituted propanoyl, and using such linkers for the conjugation of compounds, in particular, cytotoxic agents to a cell-binding molecule.
Type:
Application
Filed:
June 8, 2022
Publication date:
October 13, 2022
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Yongxin Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Chengyu YANG, Huihui GUO, Xiaomai ZHOU, Hongsheng XIE, Haifeng ZHU, Yifang XU, Qianqian TONG, Junxiang JIA, Minjun CAO, Wenjun LI, Shuihong GAO, Zhixiang GUO, Lu BAI, Chen LI, Yanlei YANG, Chunyan WANG, Zhichang YE
Publication number: 20220313836
Abstract: The present invention relates to linkers having a group of propiolyl, substituted acryl (acryloyl), or disubstituted propanoyl, and using such linkers for the conjugation of compounds, in particular, cytotoxic agents to a cell-binding molecule.
Type:
Application
Filed:
June 8, 2022
Publication date:
October 6, 2022
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Yongxin Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Chengyu YANG, Huihui GUO, Xiaomai ZHOU, Hongsheng XIE, Haifeng ZHU, Yifang XU, Qianqian TONG, Junxiang JIA, Minjun CAO, Wenjun LI, Shuihong GAO, Zhixiang GUO, Lu BAI, Chen LI, Yanlei YANG, Chunyan WANG, Zhichang YE
Publication number: 20220313838
Abstract: The present invention relates to linkers having a group of propiolyl, substituted acryl (acryloyl), or disubstituted propanoyl, and using such linkers for the conjugation of compounds, in particular, cytotoxic agents to a cell-binding molecule.
Type:
Application
Filed:
June 8, 2022
Publication date:
October 6, 2022
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Yongxin Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Chengyu YANG, Huihui GUO, Xiaomai ZHOU, Hongsheng XIE, Haifeng ZHU, Yifang XU, Qianqian TONG, Junxiang JIA, Minjun CAO, Wenjun LI, Shuihong GAO, Zhixiang GUO, Lu BAI, Chen LI, Yanlei YANG, Chunyan WANG, Zhichang YE
Publication number: 20220313837
Abstract: The present invention relates to linkers having a group of propiolyl, substituted acryl (acryloyl), or disubstituted propanoyl, and using such linkers for the conjugation of compounds, in particular, cytotoxic agents to a cell-binding molecule.
Type:
Application
Filed:
June 8, 2022
Publication date:
October 6, 2022
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Yongxin Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Chengyu YANG, Huihui GUO, Xiaomai ZHOU, Hongsheng XIE, Haifeng ZHU, Yifang XU, Qianqian TONG, Junxiang JIA, Minjun CAO, Wenjun LI, Shuihong GAO, Zhixiang GUO, Lu BAI, Chen LI, Yanlei YANG, Chunyan WANG, Zhichang YE