Person-reported outcomes in registered randomised diabetes trials: A mapping review of constructs
Abstract
AIM: Recently, efforts have been made to use and report person-reported outcomes (PROs) in randomised clinical trials (RCTs). Here, we aim to (1) assess the status of inclusion of PROs in registered RCTs over 5 years in people with type 1 or 2 diabetes, and (2) map the PRO measures (PROMs) onto predefined domains.
METHODS: The largest trial registries (Clinicatrials.gov, International Clinical Trial Platform and ISRCTN) were systematically searched for RCTs in people with type 1 and/or type 2 diabetes of all ages between 2018 and 2023. Coding of PROs comprised: (1) PRO measure(s) included yes or no; if yes: (2) PRO(s) as primary outcome yes or no; and (3) mapping PROMs onto predefined PRO domains and per type of intervention.
RESULTS: N = 1543 trials met our inclusion criteria, of which n = 673 (44%) included PROs, assessed by 545 different measures. Twenty per cent of drug trials (n = 112) and 71% of behavioural interventions (n = 405) included PROs. In 149 trials (9.6%), a PRO was the primary outcome. The psychological functioning domain was most often assessed across all trials (21.6%), specifically in behavioural (44.8%) and medical device interventions (29.7%). In drug trials, the physical functioning and functional health domain was most included (9%). Across all trials, the social and family functioning domain was least assessed (3%).
CONCLUSIONS: We noticed an increase in the inclusion of PROs in diabetes RCTs. However, PROs are rarely included as primary outcomes in…
How strong is the evidence?
Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 1,543 participants or records.
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