Antibody drug conjugate and application thereof

By designing linkers and linker-payloads with specific structures, the excellent performance of antibody drug conjugates is solved, and the insufficient performance of existing antibody drug conjugates in the treatment of tumors is achieved, and the precise binding and reduction of tumor cells on normal cells is achieved, which enhances the therapeutic effect and safety.

CN119701003APending Publication Date: 2025-03-28CHIA TAI TIANQING PHARMA GRP CO LTD
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Patent Information

Application Number
CN202411345425.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-01-26
Filing Date
2024-09-26
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Although existing antibody drug conjugates have high specificity and killer activity in the treatment of tumors, the available options are still limited and there are many shortcomings in performance.

Method used

By designing linkers and linker-payloads for specific structures, an antibody drug conjugate with excellent performance is constructed. The conjugate comprises an antibody or an antigen-binding fragment thereof coupled to a cytotoxic agent such as eriprin or its derivative, isatechan or its derivative) through a linker.

Benefits of technology

The excellent performance of antibody drug conjugates in many aspects has been achieved, including improving the precise binding of tumor cells and reducing the impact on normal cells, thereby enhancing the therapeutic effect and safety.

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Abstract

Belongs to the technical field of biology, and relates to an antibody drug conjugate and application thereof, and the antibody drug conjugate comprises an antibody or an antigen binding fragment thereof, a linker and a cytotoxic drug which are connected. Pharmaceutical compositions comprising the antibody drug conjugates and uses thereof are also provided. The antibody drug conjugate provided by the invention realizes excellent anti-tumor activity or / and relatively good safety. The provided antibody drug conjugate can be used for tumor treatment.
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