Briefly,theICMJErequires,andrecommendsthatallmedicaljournaleditorsrequire,registrationofclinicaltrialsinapublictrialsregistryatorbeforethetimeoffirstpatientenrollmentasaconditionofconsiderationforpublication.(摘自:http://www.icmje.org/publishing_j.html)简而言之,ICMJE要求并建议所有医学杂志编辑将这一要求作为考虑发表的必要条件:在募集第一位患者之时或之前,于公共临床试验注册中心注册。同一网页的另一段:Thepurposeofclinicaltrialregistrationistopreventselectivepublicationandselectivereportingofresearchoutcomes,topreventunnecessaryduplicationofresearcheffort,tohelppatientsandthepublicknowwhattrialsareplannedorongoingintowhichtheymightwanttoenroll,andtohelpgiveethicsreviewboardsconsideringapprovalofnewstudiesaviewofsimilarworkanddatarelevanttotheresearchtheyareconsidering.Retrospectiveregistration,forexampleatthetimeofmanuscriptsubmission,meetsnoneofthesepurposes.临床注册的目的是避免研究结果的选择性发表和选择性报道,避免研究投入的重复,帮助患者和公众了解他们想参与的试验那些已有计划或正在进行,以及帮助伦理评审委员会在考虑批准新研究时,了解与其相关的类似研究和数据。后注册,例如在稿件发表时,无法实现这些目标。所以,还是要先注册,ICMJE认可的中文注册中心是http://www.chictr.org/cn/如果研究开始时还未注册,也不必紧张,因为这只是一个建议,有些水平没那么高的杂志不会要求这么多,但是若要向顶级杂志投稿会有影响。