Progression criteria in trials with an internal pilot: an audit of publicly funded randomised controlled trials.
Esther HerbertSteven A JuliousSteve GoodacrePublished in: Trials (2019)
Progression criteria for an internal pilot are usually well specified but targets vary widely. For the actual criteria, red/amber/green systems have increased in popularity in recent years. Trials should justify the targets they have set, especially where targets are low.
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