Adverse event recording failed to reflect potential harms: a review of trial protocols of behavioral, lifestyle and psychological therapy interventions.

To explore how potential harms are assessed in trials of behavioral, lifestyle and psychological therapy interventions. This study was a review of protocols from the National Institute of Health Research Health Technology Assessment and Public Health Research programmes. Protocols were included if the study was a randomized controlled trial and the intervention intended to change lifestyle or behavior to improve health or improve psychological outcomes. 95 of 151 protocols planned to record adverse events (AEs). Definitions of AEs were often not given and varied widely. Serious AEs were mostly defined using standards originally devised for pharmacological trials. Twenty-two protocols listed expected AEs. Few protocols described assessment of causation between AEs and intervention. Examples of useful AE recording practice were identified. Monitoring and recording AEs in behavioral intervention trials was variable and frequently based on reporting guidelines for pharmacological trials. This may mean potential harms are being missed. Future trials should consider: 1) Potential harms posed by the intervention 2) How to define serious AEs 3) What are expected AEs. Further research to achieve consensus on AE recording is required, including identification of core adverse outcomes in clinical areas or caused by interventions.

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Copyright © 2021. Published by Elsevier Inc.