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Clinicopathological and biomarker analysis in Japanese male breast cancer patients

Research Project

Project/Area Number 19K16880
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 50020:Tumor diagnostics and therapeutics-related
Research InstitutionNational Center for Global Health and Medicine

Principal Investigator

shimomura akihiko  国立研究開発法人国立国際医療研究センター, センター病院, がん総合診療センターがん総合内科診療科がん総合内科診療科長/医長 兼 乳腺・腫瘍内科医師 (70743946)

Project Period (FY) 2019-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords男性乳癌 / 男性乳がん / 遺伝性乳がん卵巣がん / 乳がん / NCD / バイオマーカー
Outline of Research at the Start

男性乳癌は希少がんである。日本乳癌学会乳癌登録によると、2015年の男性乳癌罹患数は560例である。これは、乳癌全体の0.6%に過ぎない。希少がんであるため、日本国内での男性乳癌の特徴に関する包括的な研究はこれまで行われておらず、男性乳癌に対する治療開発も行われていない。
そこで、本研究では希少がんである男性乳癌の頻度、臨床病理学的特徴について国内で最も信頼のおけるデータベースであるNational Clinical Database (NCD)を用いて後ろ向き研究を行い、日本人男性乳癌患者の特徴を明らかにする。更に、今後の治療開発の鍵となるバイオマーカーを探索する。

Outline of Final Research Achievements

This study assessed the clinicopathological characteristics of male breast cancer through a fact-finding study using the National Clinical Database (NCD).All breast cancer patients registered in the NCD from 2012, when the NCD registry was launched, to 2018 were included in the study.Age, stage, surgical technique, oestrogen receptor, Progesterone receptor, HER2 expression, family history, comorbidities and systemic treatment history were collected and compared between male and female breast cancer Submitted to and published in Breast Cancer at the end of 2021 (Breast Cancer. 2022 Nov;29(6):985-992.).

Academic Significance and Societal Importance of the Research Achievements

男性乳がんは希少がんであり、これまで日本人男性乳がんの実態について調査した研究はなかった。本研究では国内大規模データベースを用いて男性乳がんの臨床病理学的特徴を検討した初の研究であり、欧米人との疾患の特徴の違いについて明らかにした。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (6 results)

All 2022 2021 2020

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Clinicopathological features of male patients with breast cancer based on a nationwide registry database in Japan2022

    • Author(s)
      Akihiko Shimomura
    • Journal Title

      Breast Cancer

      Volume: 29 Issue: 6 Pages: 985

    • DOI

      10.1007/s12282-022-01378-6

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] National Clinical Data Baseを用いた男性乳癌の臨床病理学的特徴に関する研究2022

    • Author(s)
      下村昭彦ほか
    • Organizer
      日本乳癌学会学術総会
    • Related Report
      2022 Research-status Report
  • [Presentation] Clinicopathological characteristics of male breast cancer in Japan from the National Clinical Database2022

    • Author(s)
      Akihiko Shimomura, et al
    • Organizer
      Global Breast Cancer Conference
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] National Clinical Data Baseを用いた男性乳癌の臨床病理学的特徴に関する研究2021

    • Author(s)
      下村昭彦ほか
    • Organizer
      日本乳癌学会学術総会
    • Related Report
      2021 Research-status Report
  • [Presentation] Clinicopathological characteristics of male breast cancer in Japan from the National Clinical Database2020

    • Author(s)
      Akihiko Shimomura, et al.
    • Organizer
      San Antonio Breast Cancer Symposium
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] National Clinical Data Baseを用いた男性乳癌の臨床病理学的特徴に関する研究2020

    • Author(s)
      下村昭彦ほか
    • Organizer
      日本乳癌学会学術総会
    • Related Report
      2020 Research-status Report
    • Invited

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Published: 2019-04-18   Modified: 2025-01-30  

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