Data set of primary outcome changes in interventional clinical trials registered on ClinicalTrials.org

All clinical studies classified as ‘interventional studies’ registered with ClinicalTrials as of 25 October 2012 are shown. The following information was collected from each study: study registration date; the study start date; the primary completion date; study completion date; original primary outcome and date submitted; current primary outcome and date submitted; study phase, data monitoring committee; study sponsor and collaborators.

本数据集展示了截至2012年10月25日已在ClinicalTrials注册的所有被归类为‘干预性研究’的临床研究。对每一项研究收集了以下信息：研究注册日期；研究启动日期；主要完成日期；研究完成日期；原始主要结局及其提交日期；当前主要结局及其提交日期；研究阶段；数据监测委员会；研究资助方及合作者。