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Plan for the precise procedure to be followed in a clinical trial, including planned and actual timing of events, choice of control group, method of allocating treatments, blinding methods; assigns a subject to pass through one or more epochs in the course of a trial. specific design elements (e.g., crossover, parallel, dose-escalation) [Modified from Pocock, Clinical Trials: a Practical approach] See Trial Design Model. See also, arm, epoch, and visit.
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