study design clinical study design The definition needs to be extended to other things than simply patients clinical study design PMID: 17655677.J Cardiovasc Electrophysiol. 2007 Aug;18(9):965-71.Biventricular versus right ventricular pacing in patients with AV block (BLOCK HF): clinical study design and rationale. Clinical Research Glossary Version 4.0 CDICS glossary group 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] PlanAndPlannedProcess Branch pending final vetting