AJOT uses the definition of clinical trial provided by ClinicalTrials.gov: "a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to evaluate the effects of those interventions on biomedical or health-related behavioral outcomes"
Authors must provide the trial's ClinicalTrials.gov or other registry ID number in the Acknowledgments section of the article.
登錄網址為: https://clinicaltrials.gov/ 美國 NIH 負責維護。
這是老美的產物/基礎建設,也是大數據【可分析出未來3~5年 clinical trials 的內容與趨勢,也可以看出最近10年的趨勢!!】, 難怪老美一直很強大!!
竟有超過一半的 clinical trials 非在美國執行,也將研究登錄於老美的資料庫!!