Trends in Investigator-Initiated Clinical Studies at a University Hospital after Enforcement of the 2018 Clinical Trials Act in Japan

DOI 機関リポジトリ Web Site PubMed 参考文献11件
  • Sato Yasutaka
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Sakaguchi Satoshi
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Takechi Kenshi
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Chuma Masayuki
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Yagi Kenta
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Kane Chikako
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Goda Mitsuhiro
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Hamano Hirofumi
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Aoe Yuki
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Nokihara Hiroshi
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital
  • Kubo Yoshiaki
    Ethics Committee of Tokushima University Hospital, Tokushima University Hospital
  • Hashimoto Ichiro
    Certified Review Board of Tokushima University, Tokushima University
  • Yanagawa Hiroaki
    Clinical Research Center for Developmental Therapeutics, Tokushima University Hospital

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<p>In April 2018, the Clinical Trials Act pertaining to investigator-initiated clinical trials was passed in Japan. The purpose of this study was to investigate activity in investigator-initiated clinical studies before and after enforcement of the new Clinical Trials Act. This was done by analysing the records of the Ethics Committee of Tokushima University Hospital, which reviews studies based on the Japanese government’s Ethical Guidelines for Medical and Health Research Involving Human Subjects prior to the Clinical Trials Act, and records of the Certified Review Board established at Tokushima University under the Clinical Trials Act in 2018. The number of new applications to these two review boards during fiscal years 2015–2017 (pre-Act) and fiscal years 2018 and 2019 (post-Act) were used as an indicator of activity in investigator-initiated clinical studies. The number of new applications to the Ethics Committee was 303, 261, 316, 303, and 249 in 2015, 2016, 2017, 2018, and 2019, respectively. The data show that the total number of new interventional studies decreased from 50.3 in average in 2015–2017 (pre-Act) to 42 in 2018 and 40 in 2019 (post-Act), respectively. These results suggest that fewer interventional studies were started following enforcement of the new Clinical Trials Act. To confirm this trend and identify contributing factors, further studies are required. In addition, possible way, such as broader contribution of clinical research coordinators, to promote clinical studies in the new Clinical Trials Act era should be examined.</p>

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