Cellular & Integrative Physiology

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The pragmatic-explanatory continuum indicator summary (PRECIS) instrument was useful for refining a randomized trial design: Experiences from an investigative team

Daniel L. Riddle; Robert E. Johnson; Mark P. Jensen; Francis J. Keefe; Kurt Kroenke; Matthew J. Bair; Dennis C. Ang (Profiled Authors: Matthew J. Bair; Kurt Kroenke)

Journal of Clinical Epidemiology. 2010;63(11):1271-1275.

Objective: A recently published instrument (PRECIS) was designed to assist investigative teams in understanding the various design decisions that need to be made regarding pragmatic vs. explanatory trials. Our team used this instrument during an investigators' meeting to organize our discussion regarding the design of a planned trial and to determine the extent of consensus among the study investigators. Study Design and Setting: The study was descriptive in nature and occurred during an investigator meeting. After reading and reviewing the 10 PRECIS criteria, the team made quantitative judgments of the planned study regarding each PRECIS criteria to reflect initial, ideal, and final study design perceptions. Results: Data indicated that the final study design was more explanatory in nature than the preliminary plan. Evidence of consensus was obtained. Conclusion: The investigative team found that applying PRECIS principles were useful for (1) detailing points of discussion related to trial design, (2) making revisions to the design to be consistent with the project goals, and (3) achieving consensus. We believe our experiences with PRECIS may prove valuable for trial researchers in much the same way that case reports can provide valuable insights for clinicians. © 2010 Elsevier Inc. All rights reserved.

PMID: 20670911     PMCID: PMC2943562

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