期刊
TRIALS
卷 22, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s13063-021-05891-5
关键词
Core outcome sets; Trials; Knowledge; Attitudes; Uptake
资金
- Health Research Board Trial Methodology Research Network Student Summer Scholarship
- Health Research Board Applying Research into Policy and Practice Fellowship [HRB-ARPP-A-2018-011]
This study examined clinical trialists' knowledge, perceptions, and experiences of Core Outcome Sets (COS). Results showed that while 65% of participants were familiar with COS, only about half of them had used COS in trials. Main barriers to using COS included poor knowledge and difficulties in identifying relevant COS, while main enablers included clear understanding and perceived importance of COS.
Background Core outcome sets (COS) are standardised sets of outcomes, which represent the minimum outcomes that should be measured and reported in clinical trials. COS can enhance comparability across health trials by reducing heterogeneity of outcome measurement and reporting and potentially minimising selective outcome reporting. Examining what researchers involved in trials know and think about COS is essential to increase awareness and promote COS uptake. The aim of this study is therefore to examine clinical trialists' knowledge, perceptions and experiences of COS. Methods An online survey design was used. Participants were clinical trialists, operationalised for the current study as researchers named as the contact person on a trial registered on the International Standard Randomised Controlled Trial Number (ISRCTN) Trial repository between 1 January 2019 and 21 July 2020. Survey items assessed clinical trialists' familiarity with and understanding of COS, along with experiences of COS use and development. Results Of 1913 clinical trialists contacted to participate, 62 (3%) completed the survey. Forty (65%) participants were familiar with COS and, of those familiar with COS, 21 (55%) had been involved in a trial that used a COS. Of clinical trialists who used COS in a trial(s), less than half (n = 9, 41%) reported that all COS outcomes were used. The main barriers to using COS are poor knowledge about COS (n = 43, 69%) and difficulties identifying relevant COS (n = 42, 68%). Clinical trialists also reported perceptions of COS as restrictive and often containing too many outcomes. The main enablers to using COS are clear understanding (n = 51, 82%) and perceived importance of COS (n = 44, 71%). Conclusions Enhancing clinical trialists' use of all COS outcomes is needed to reduce outcome heterogeneity and enhance comparability across trial findings. Enhancing awareness of COS importance among researchers and funders is needed to ensure that COS are developed and used by clinical trialists. Education and training may further promote awareness and understanding of COS.
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