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2021 Fiscal Year Final Research Report

Development of a new treatment method aimed at enhancing the effect of irinotecan therapy for gastrointestinal cancer

Research Project

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Project/Area Number 19K09219
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 55020:Digestive surgery-related
Research InstitutionGunma University

Principal Investigator

Saeki Hiroshi  群馬大学, 大学院医学系研究科, 教授 (80325448)

Co-Investigator(Kenkyū-buntansha) 安藤 幸滋  九州大学, 大学病院, 助教 (20608864)
沖 英次  九州大学, 大学病院, 講師 (70380392)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords消化管癌 / topoisomeraseI阻害剤 / ユビキチンプロテアソーム経路
Outline of Final Research Achievements

We conducted research on the anticancer drug "irinotecan" used for the treatment of gastric cancer and colorectal cancer. Irinotecan is an anticancer drug that targets topoisomerase I. The purpose of this study was to clarify what kind of approach is appropriate for cancer patients who do not respond even if irinotecan is used. The results of cell line-level experiments have revealed that the simultaneous use of proteasome inhibitors, which used in the treatment of multiple myeloma, and irinotecan may bring about further effects of irinotecan.

Free Research Field

消化管外科

Academic Significance and Societal Importance of the Research Achievements

この研究によりイリノテカン治療への新しい可能性が発見された。これまでイリノテカンとプロテアソーム阻害剤を用いた治療法の開発は多くなく、いずれも投与法に問題があり、成果は得られていない。今回我々のアプローチ法は科学的根拠に基づいたものであり、さらなる検討、解明を行うことにより、イリノテカン療法の新たなアプローチが開発できると考えている。

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Published: 2023-01-30  

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