Combination of chemotherapy, cancer cell vaccine and adoptive cell therapy

A combination of cancer cell vaccines, T cell activation, and chemotherapeutic agents addresses the limitations of current osteosarcoma treatments by enhancing the immune response and reducing toxicity, offering improved therapeutic outcomes.

WO2025259866A2PCT designated stage Publication Date: 2025-12-18ELIAS ANIMAL HEALTH
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Patent Information

Application Number
PCT/US2025/033332
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-06-14
Filing Date
2025-06-12
Publication Date
2025-12-18

AI Technical Summary

Technical Problem

Current treatments for osteosarcoma in dogs, including surgery and adjuvant chemotherapy, offer only modest survival benefits and are rarely curative, with significant toxicity and handling challenges, while existing immunotherapies have not shown significant clinical benefit in diverse cancers.

Method used

A combination therapy involving a cancer cell vaccine with an immunologic adjuvant, T cell isolation and activation, and administration of activated T cells, optionally with chemotherapeutic agents before, during, or after these steps, to enhance the immune response against cancer cells.

Benefits of technology

This approach increases therapeutic efficacy with fewer chemotherapeutic doses, reducing side effects and promoting durable clinical effects by enhancing the immune response against cancer cells, potentially leading to more effective cancer treatment.

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Abstract

The present disclosure is generally directed to methods of treating cancer in a subject using chemotherapy, cancer cell vaccines, and adoptive cell therapy. The cancer can be osteosarcoma, particularly appendicular osteosarcoma.
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