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The association of gut microbiome with the efficacy of immune checkpoint inhibitor in patients with gastric cancer

Research Project

Project/Area Number 18K15795
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionKeio University

Principal Investigator

Sukawa Yasutaka  慶應義塾大学, 医学部(信濃町), 特任講師 (80772566)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords胃がん / 免疫チェックポイント阻害剤 / 腸内細菌 / 胃癌 / ニボルマブ / 免疫
Outline of Final Research Achievements

We collected clinical data and fecal samples of patients with gastric cancer who were treated with nivolumab to assess the association of microbiome with the efficacy of nivolumab. Unfortunately, we could not find any association between microbiome and nivolumab. Also, we assessed the association of H.pylori infection with the efficacy of nivolumab. However, no association was found. We need to increase sample numbers and planned tissue and blood immiune marker analyses for future.

Academic Significance and Societal Importance of the Research Achievements

免疫チェックポイント阻害剤は様々な癌腫に対して使用されるようになっており、その効果が期待されているが、効果を得られる症例は限られており、どのような症例に効果があり、どのようにしたら効果を得られる症例を広げることができるようになるかを明らかにすることが求められている。今回の研究では、腸内細菌と胃がんの発癌に関与するピロリ菌の感染の有無とニボルマブの治療効果について検討をしたが、症例数が限られていることもあり有意な結果は得られなかった。今後さらに症例数を増やしさらに詳細な検討を行い、腸内細菌を介した免疫系の役割を明らかにしていきたい。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2019

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results) (of which Invited: 1 results)

  • [Journal Article] Clinical efficacy of immune checkpoint inhibitors in the treatment of unresectable advanced or recurrent gastric cancer: an evidence-based review of therapies.2019

    • Author(s)
      Togasaki K, Sukawa Y, Kanai T, Takaishi H.
    • Journal Title

      Oncotarget and therapy

      Volume: 2018:11 Pages: 8239-8250

    • DOI

      10.2147/ott.s152514

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Clinical response to subsequent chemotherapy after nivolumab in patients with advanced gastric cancer.2019

    • Author(s)
      津軽 開
    • Organizer
      第17回日本臨床腫瘍学会学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 免疫チェックポイント阻害剤関連腸炎の診断と治療2019

    • Author(s)
      須河 恭敬
    • Organizer
      第57回日本癌治療学会学術集会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 免疫チェックポイント阻害剤関連腸炎の診断と治療の現状2019

    • Author(s)
      須河 恭敬
    • Organizer
      Japan Digestive Disease Week 2019
    • Related Report
      2019 Annual Research Report

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Published: 2018-04-23   Modified: 2021-02-19  

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