Centre for Mental Health, Department of Medicine, Imperial College, London W6 8RP, UK.
Epidemiol Psychiatr Sci. 2013 Dec;22(4):313-20. doi: 10.1017/S2045796013000255. Epub 2013 May 29.
Purpose. To investigate the reasons behind difficulties in recruiting patients to randomized controlled trials (RCTs) in psychiatry and to examine a database of RCTs for differences between studies in mental health and other specialities. Methods. A discussion of recent changes in research governance in the UK and Europe followed by an examination of the database of all trials supported by the Health Technology Assessment programme of the National Institute of Health Research in the UK between 1993 and 2007 to determine if three different measures, (i) time between grant approval and study start date, (ii) percentage of additional time given to extend recruitment and (iii) percentage of planned recruitment achieved, changed over the time period studied and differed between mental health, cancer and other medical disciplines. Findings. Despite attempts in the UK to accelerate the process of clinical trials in recent years, there was a significant increase in the extension time for trials to be completed (p = 0.038) and the percentage of planned recruitment to mental health studies (71%) was significantly less than for cancer (90.3%) and other studies (86.1%) (p = 0.032). Summary. These results suggest that, despite the priority afforded to the advancement of RCTs in healthcare, such studies are encountering increasing difficulty in recruiting to time and target. We suggest that this difficulty can be attributed, at least in part, to the excessively byzantine regulation and governance processes for health research in the UK, and unnecessary bureaucracy in the current National Health Service system. Mental health studies appear particularly vulnerable to delay and better systems to facilitate recruitment are required urgently for the evidence base to be improved and facilitate new cost-effective interventions.
目的。调查在精神病学中招募患者参与随机对照试验(RCT)的困难原因,并研究 RCT 数据库,以检查心理健康和其他专业之间研究的差异。
方法。首先讨论英国和欧洲最近在研究治理方面的变化,然后检查英国国家卫生研究院卫生技术评估计划在 1993 年至 2007 年期间支持的所有试验数据库,以确定三项不同措施(i)拨款批准和研究开始日期之间的时间间隔,(ii)延长招募时间的百分比,以及(iii)计划招募的百分比,是否随着研究时间的变化而变化,以及在心理健康、癌症和其他医学学科之间是否存在差异。
结果。尽管英国近年来试图加速临床试验进程,但试验完成的延长时间(p=0.038)和计划招募到心理健康研究的百分比(71%)显著增加,明显低于癌症(90.3%)和其他研究(86.1%)(p=0.032)。
结论。这些结果表明,尽管在医疗保健中优先考虑推进 RCT,但此类研究在按时按目标招募方面遇到了越来越大的困难。我们认为,这种困难至少部分归因于英国卫生研究过度复杂的监管和治理流程,以及当前国民保健制度中不必要的官僚主义。心理健康研究似乎特别容易受到延误,迫切需要建立更好的系统来促进招募,以改善证据基础并促进新的具有成本效益的干预措施。