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Considerations in Launching an International Multisite Clinical Trial

L. Kalvas, Mallory A. Perry-Eaddy, A. Cassidy, O. Dawkins-Henry, Laurie Lee, L. Asaro, D. Wypij, M. A. Q. Curley

Nursing Research, 2025

35 participants · 1 citation

Abstract

ABSTRACT

Background: Adequately powered randomized controlled clinical trials (RCTs) provide the highest level of evidence to support nursing interventions that are thought to improve clinical outcomes. To ensure adequate power, recruitment at multiple study sites is often required. Complexity is exponentiated when RCTs are conducted in multiple settings, especially on an international level. Regardless of logistical challenges, funders typically expect subjects to be enrolled within the first year of funding.Objective: To describe essential elements that must be considered when launching a multisite RCT.Methods: Step-by-step review of essential multisite RCT start-up activities using PROSpect, a nurse-led 50+ site international pediatric critical care RCT, as an exemplar. Essential pre- and post-award activities and organizational structure are discussed. The PROSpect launch timeline, with comparisons between United States (U.S.) and international study site initiation, is presented.Results: In the first two years of PROSpect funding (6/15/18-6/14/20), 54 sites in 13 countries spanning five continents initiated study launch activities and subsequently went on to begin subject screening. Of these, 15 sites (28%) began screening within the first funding year and 29 (54%) within the second year. PROSpect enrolled its first subject prior to the end of the first year of funding. Sites completed launch activities within a median of 295 days of receiving an instructional email…

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