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The transfer of psychotropic drug into milk via organic cation transporter and the effect toward the development of infants.

Research Project

Project/Area Number 15H06625
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Embryonic/Neonatal medicine
Research InstitutionTeikyo University

Principal Investigator

Naoki Ito  帝京大学, 医学部, 講師 (20529177)

Project Period (FY) 2015-08-28 – 2017-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords新生児学 / 薬物動態 / 乳汁 / トランスポーター / 精神疾患 / 合併症妊娠 / 母乳育児支援 / 薬物濃度 / 新生児 / 薬理学 / 臨床
Outline of Final Research Achievements

Since mental health diseases have been prevalent in pregnancy and lactation period, maternal psychotropic drug usage during lactation have been common in Japan. In our research, we focused on the babies whose mothers have mental diseases, collected their samples, and followed up, in order to make clinical case series. Besides, we try to examine in vivo experiments using Oct1/2 double knock out mice to confirm the importance of Organic Cation Transporter 1 (Oct1) in the membrane transport of psychotropic drug at mammary gland. Twenty patients were recruited. Depression, schizophrenia and panic disorder were common among mothers. And 29 drugs were prescribed, mainly as the combination of several drugs, such as flunitrazepam or zolpidem. During the follow up periods, two patients showed delay in language development, but the others had developed normally. As for the in vivo experiments, due to difficulties in breeding or other unexpected troubles, it is still on going.

Report

(3 results)
  • 2017 Final Research Report ( PDF )
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (10 results)

All 2018 2017 2016 2015

All Journal Article (5 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (5 results) (of which Invited: 1 results)

  • [Journal Article] 妊婦および授乳婦への服薬指導2018

    • Author(s)
      伊藤直樹
    • Journal Title

      小児科診療

      Volume: 81 Pages: 561-566

    • Related Report
      2016 Annual Research Report
  • [Journal Article] ヒト乳腺薬物輸送におけるトランスポーター寄与に関する網羅的検討2016

    • Author(s)
      伊藤直樹
    • Journal Title

      小児臨床薬理学会雑誌

      Volume: 29 Pages: 11-16

    • NAID

      40021218748

    • Related Report
      2016 Annual Research Report 2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 妊娠・出産・育児期における向精神薬の適切な使用と注意点2016

    • Author(s)
      伊藤直樹、村島温子
    • Journal Title

      精神医学

      Volume: 58 Pages: 115-125

    • Related Report
      2016 Annual Research Report 2015 Annual Research Report
  • [Journal Article] Prediction of drug transfer into milk considering breast cancer resistance protein (BCRP)-mediated transport2015

    • Author(s)
      Naoki Ito, Kousei Ito, Yuki Ikebuchi, Yu Toyoda, Tappei Takada, Akihiro Hisaka, Akira Oka, and Hiroshi Suzuki.
    • Journal Title

      Pharm. Res.

      Volume: 32 Issue: 8 Pages: 2527

    • DOI

      10.1007/s11095-015-1641-2

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 母体の薬物療法と母乳育児支援~これからの医師に求められる「授乳と薬」への対応.2015

    • Author(s)
      伊藤直樹, 村島温子
    • Journal Title

      新薬と臨床

      Volume: 64 Pages: 911-915

    • Related Report
      2015 Annual Research Report
  • [Presentation] 新生児薬物離脱症候群により挿管管理を要した2症例2017

    • Author(s)
      伊藤直樹
    • Organizer
      第44回小児臨床薬理学会
    • Related Report
      2016 Annual Research Report
  • [Presentation] トランスポーターの寄与を考慮したヒトでの薬物乳汁移行の予測2017

    • Author(s)
      伊藤直樹
    • Organizer
      第43回小児臨床薬理学会
    • Related Report
      2016 Annual Research Report
  • [Presentation] トランスポーターの寄与を考慮したヒトでの薬物乳汁移行の予測2016

    • Author(s)
      伊藤直樹
    • Organizer
      第43回小児臨床薬理学会
    • Place of Presentation
      東京 ホテルアジュール竹橋
    • Year and Date
      2016-11-11
    • Related Report
      2015 Annual Research Report
  • [Presentation] ヒト乳腺薬物輸送におけるトランスポーター寄与に関する網羅的検討2015

    • Author(s)
      伊藤直樹
    • Organizer
      第42回小児臨床薬理学会
    • Place of Presentation
      熊本市 くまもと森都心プラザ
    • Year and Date
      2015-11-14
    • Related Report
      2015 Annual Research Report
  • [Presentation] 向精神薬の乳汁移行と母乳育児支援2015

    • Author(s)
      伊藤直樹
    • Organizer
      第12回日本周産期メンタルヘルス学会学術集会
    • Place of Presentation
      栃木県 自治医科大学
    • Year and Date
      2015-10-31
    • Related Report
      2015 Annual Research Report
    • Invited

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Published: 2015-08-26   Modified: 2019-03-29  

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