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Application of Antiplatelet Drug Monitoring to Automated Analyzers and Establishment of Cutoff Values

Research Project

Project/Area Number 17K09008
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Laboratory medicine
Research InstitutionUniversity of Yamanashi

Principal Investigator

Satoh Kaneo  山梨大学, 大学院総合研究部, 特任准教授 (20242662)

Co-Investigator(Kenkyū-buntansha) 金子 誠  東京医科大学, 医学部, 講師 (00377491)
高野 勝弘  山梨大学, 大学院総合研究部, 講師 (60382925)
井上 克枝  山梨大学, 大学院総合研究部, 教授 (10324211)
Project Period (FY) 2017-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords薬効モニタリング / 血小板凝集能 / シロスタゾール / 脳梗塞 / 血小板凝集能検査 / 薬効得モニタリング / 臨床血液学 / 薬効評価
Outline of Final Research Achievements

We have examined the optimum conditions for the automatic analyzer (CS2000i) by setting various conditions, but were unable to find good conditions for constant monitoring compared to the measurement method using the conventional method (hematracer). In addition, the expansion of COVID-19 infection made it difficult to register patients, so we conducted an analysis including cases that had been measured before the COVID-19 spread.
ROC analysis showed that platelet aggregation by 30 microMTRAP in the presence of 30nMPGE1 was optimal for assessing cilostazol efficacy. The cutoff value under these conditions was 9% for maximum platelet aggregation.

Academic Significance and Societal Importance of the Research Achievements

抗血小板薬は脳梗塞や心筋梗塞といった血栓症の再発予防に使われているが、薬が効きにくい患者さんの存在が知られている。そのため、血小板機能検査を使って薬の効果を調べることが行われているが、シロスタゾールにおいては測定方法が煩雑なため日常検査では行われていない。そこで、自動で検査できる装置を使って簡便に測定する方法の構築を目的に本研究を実施した。

Report

(7 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (5 results)

All 2020 2019 Other

All Presentation (3 results) (of which Int'l Joint Research: 1 results) Remarks (2 results)

  • [Presentation] Platelet Aggregation Induced by Thrombin Receptor Agonist Peptide (TRAP) in the Presence of PGE : a Reliable Method for Cilostazol Monitoring2020

    • Author(s)
      Kaneo Satoh
    • Organizer
      International Society for Laboratory Hematology
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Study On The Detection Of Remaining Platelets In Plasma Samples By Clot Waveform Analysis Of Prothrombin Time -The Evaluation Using Clinical Samples-2019

    • Author(s)
      Yugo Shimada, Kaneo Satoh, Fuminori Kazama, Takeshi Suzuki, Yutaka Komiyama, Tsukasa Suetake, Katsue Suzuki-Inoue
    • Organizer
      XXXIst International Symposium on Technological Innovations in Laboratory Hematology
    • Related Report
      2019 Research-status Report
  • [Presentation] Study On The Detection Of Remaining Platelets In Plasma Samples By Clot Waveform Analysis Of Prothrombin Time -The Basic Analysis Using Artificial Samples-2019

    • Author(s)
      Takeshi Suzuki, Yutaka Komiyama, Tsukasa Suetake, Yugo Shimada, Kaneo Satoh, Fuminori Kazama, Sho Shinohara, Hiroshi Kurono, Katsue Suzuki-Inoue
    • Organizer
      XXXIst International Symposium on Technological Innovations in Laboratory Hematology
    • Related Report
      2019 Research-status Report
  • [Remarks] 山梨大学大学院医学工学総合研究部・臨床検査医学講座

    • URL

      https://www.med.yamanashi.ac.jp/clinical/clin0lab/

    • Related Report
      2018 Research-status Report
  • [Remarks] 臨床検査医学講座  (山梨大学大学院医学工学総合研究部)

    • URL

      https://www.med.yamanashi.ac.jp/clinical/clin0lab/index.html

    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2024-01-30  

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