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Review
, 4 (5), 332-7

Recommendations for Planning Pilot Studies in Clinical and Translational Research

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Recommendations for Planning Pilot Studies in Clinical and Translational Research

Charity G Moore et al. Clin Transl Sci.

Abstract

Advances in clinical and translation science are facilitated by building on prior knowledge gained through experimentation and observation. In the context of drug development, preclinical studies are followed by a progression of phase I through phase IV clinical trials. At each step, the study design and statistical strategies are framed around research questions that are prerequisites for the next phase. In other types of biomedical research, pilot studies are used for gathering preliminary support for the next research step. However, the phrase "pilot study" is liberally applied to projects with little or no funding, characteristic of studies with poorly developed research proposals, and usually conducted with no detailed thought of the subsequent study. In this article, we present a rigorous definition of a pilot study, offer recommendations for the design, analysis and sample size justification of pilot studies in clinical and translational research, and emphasize the important role that well-designed pilot studies play in the advancement of science and scientific careers.

Figures

Figure 1
Figure 1
Nonproductive scientific strategy involving the use of pilot studies.

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