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Type: Journal article
Title: Enrollment of intensive care unit patients into clinical studies: A trinational survey of researchers' experiences, beliefs, and practices
Author: Cook, D.
Blythe, D.
Rischbieth, A.
Hebert, P.
Zytaruk, N.
Menon, K.
Erikson, S.
Fowler, R.
Heels-Ansdell, D.
Meade, M.
Citation: Critical Care Medicine, 2008; 36(7):2100-2105
Publisher: Lippincott Williams & Wilkins
Issue Date: 2008
ISSN: 0090-3493
Statement of
Deborah J. Cook, David Blythe, Amanda Rischbieth, Paul C. Hebert, Nicole Zytaruk, Kusum Menon, Simon Erikson, Robert Fowler, Diane Heels-Ansdell, Maureen O. Meade
Abstract: <h4>Background</h4>As critical care practice increases in scope, size, and complexity, enrollment of critically ill patients into clinical studies is increasing.<h4>Objective</h4>To understand the experiences, beliefs, and practices of the Canadian Critical Care Trials Group and Australian and New Zealand Intensive Care Society Clinical Trials Group regarding enrollment of critically ill children and adults into clinical studies.<h4>Methods</h4>Survey items generated by the research team were formatted in four domains: experiences, beliefs, practices, and demographics. Five research coordinators and five physicians pretested the survey, providing feedback on clarity and completeness. Intrarater reliability (16 participants, 2 wks apart) was very good.<h4>Results</h4>The response rate was 284 of 322 (88.2%). Respondents worked in intensive care units with a mean of 20.5 (SD 10) beds, caring for adults (72.2%), pediatric (18.8%), and both groups (9%) of critically ill patients. Clinical research was considered key to the future of improved clinical care. To enhance recruitment efficiency, respondents widely endorsed the effectiveness of increasing participating centers, after-hours, and weekend enrollment (all 3 scores 7 [6-7[sqb], reflecting median [interquartile range] on 1-7 scale). Overall, the effectiveness (6 [4-7]), feasibility (5 [4-6]) and ethics (5 [4-7]) of coenrollment into more than one randomized trial was endorsed. Half of respondents have adopted coenrollment with scientific and psychosocial provisos. Alternative designs, such as factorial and cluster randomized trials, were considered when suitable. Modifications to consent approaches (deferred consent (7 [6-7]), waived consent (7 [6-7]), or consent from two physicians in the absence of a substitute decision maker (6 [5-7])) were considered effective, but beliefs about the feasibility and ethics of some of these approaches varied.<h4>Conclusions</h4>Clinical research is highly valued by these intensive care unit communities. Strategies to increase capacity involve enhancing recruitment efficiencies, considering alternative study designs and expanding consent procedures. Thoughtfully implementing these strategies may advance the care of critically ill adults and children.
Keywords: critical care; intensive care; studies; randomized trials; research.
RMID: 0020081372
DOI: 10.1097/CCM.0b013e31817c00b0
Appears in Collections:Nursing publications

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