Use of t cell engager proteins in the treatment of cancer

By using T-cell adaptor proteins that specifically bind to CD3 and DLL3 and employing a stepwise dosing regimen, combined with chemotherapy and immunotherapy, the problem of poor treatment outcomes in advanced neuroendocrine tumors has been addressed, resulting in safer and more effective treatment and extended survival.

CN122404559APending Publication Date: 2026-07-17BOEHRINGER INGELHEIM INT GMBH
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Patent Information

Application Number
CN202610592928.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-05-19
Filing Date
2024-05-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing treatments for advanced neuroendocrine tumors (such as small cell lung cancer, large cell neuroendocrine carcinoma of the lung, and extrapulmonary neuroendocrine carcinoma) are not very effective, lack effective early detection methods, and existing treatment regimens have significant side effects, making it difficult to prolong patients' survival.

Method used

By employing T-cell adaptor proteins that specifically bind to CD3 and DLL3, a stepwise dosing regimen is used to gradually increase the dose to reduce the occurrence of cytokine release syndrome, achieving high-dose treatment. This, combined with chemotherapy and immunotherapy, enhances the therapeutic effect.

Benefits of technology

It significantly improved the treatment efficacy for DLL3-positive cancers, reduced treatment side effects, prolonged patient survival, and provided a more effective treatment option.

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Abstract

本发明涉及T细胞衔接蛋白在治疗癌症中的用途。具体而言,本发明一般性涉及使用DLL3 / CD3结合蛋白治疗癌症。更具体而言,本发明涉及以剂量和给药方案使用DLL3 / CD3结合蛋白治疗癌症的用途及方法。
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Citation Information

Patent Citations

  • Single domain ligands, receptors comprising said ligands, methods for their production, and use of said ligands and receptors

    WO1990005144A1

  • Cytotoxicity-inducing therapeutic agent

    WO2019131988A1

  • DLL3-CD3 bispecific antibodies

    WO2019234220A1

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    WO2020069028A1

  • DLL3-targeting multispecific antigen-binding molecules and uses thereof

    WO2021200898A1