Homodimeric antibodies for the treatment of cancer and uses thereof

The homodimeric antibody formed by covalent cross-linking solves the problems of limited efficacy and long infusion time of existing therapeutic antibodies in cancer treatment, achieving stronger cancer cell killing activity and shorter infusion time, reducing non-specific side effects, and enhancing the effect of cancer treatment.

CN122422355APending Publication Date: 2026-07-17MEDICAL SCIENCE CO

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MEDICAL SCIENCE CO
Filing Date
2024-10-18
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing therapeutic antibodies have limitations in cancer treatment, including limited efficacy, long infusion times, restricted Fc receptor-mediated cytotoxicity, and non-specific side effects. In particular, the potential of homodimeric antibodies has not been fully recognized.

Method used

Homodimeric antibodies are used, and the dimers formed by covalent cross-linking increase the antigen binding sites, improve pharmacokinetics and affinity, and utilize endocytosis and drug conjugates to achieve cancer cell endocytosis and cell death, reduce Fc receptor-mediated dependence, and design flexible linkers to maintain Fc receptor accessibility.

Benefits of technology

Homodimeric antibodies exhibit stronger cancer cell killing activity, shorter infusion time, reduced non-specific side effects, improved cancer cell binding efficiency, and enhanced therapeutic efficacy, especially showing excellent results in cancers targeting low copy number antigen expression.

✦ Generated by Eureka AI based on patent content.

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Abstract

本公开涉及用于治疗癌症的同型二聚体抗体,具体涉及结合人精子蛋白17(Sp17)的同型二聚体抗体以及同型二聚体抗体免疫偶联物。此类同型二聚体抗体相对于单体抗体显示出改善的性质,例如,因为它们能够交联细胞、改善细胞摄取和 / 或携带更优的有效载荷。
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