Department of Neurology, Haaglanden Medical Center, Den Haag, the Netherlands.
Department of Child Neurology, UMC Utrecht Brain Center, University Medical Center (UMC) Utrecht, Utrecht, the Netherlands.
JAMA Intern Med. 2022 Jul 1;182(7):779-782. doi: 10.1001/jamainternmed.2022.1551.
This cross-sectional study evaluates the existence and timing of trial registration for randomized clinical trials (RCTs) published from 2002 to 2017 as well as substantive changes to the primary outcomes entered into registry information after those studies started.
本横断面研究评估了从 2002 年到 2017 年发表的随机临床试验(RCT)的试验注册的存在和时间,并评估了这些研究开始后注册信息中主要结局的实质性变化。