Recruiting patients with heart failure for clinical studies is challenging and requires screening a very large number of patients to achieve target enrollment.
Extensive HF trial screening is resource-intensive; leaves open optimal strategies to reduce barriers and refusal.
BACKGROUND: Published studies of patients with heart failure may not include details about the challenges in the recruitment process. OBJECTIVES: To describe the recruitment process during the first 18 months of a study being conducted to evaluate cognitive deficits in patients with chronic heart failure. METHODS: Details of the recruitment process are described for 2 clinic sites. RESULTS: A total of 4,027 echocardiograms were screened at site 1 to evaluate eligibility. Of the 161 patients eligible, 61 (38%) were invited to participate, and 29 of the 61 (48%) completed the study. At site 2, four hundred thirty-seven medical records of patients were screened, resulting in 163 eligible patients (37%). The staff invited 70 of the 163 patients (43%) to participate, and 52 of the 70 (74%) completed the study. The refusal rate was 23% at site 1 and 21% at site 2. CONCLUSIONS: Successful recruitment in studies involving patients with heart failure often requires screening of a large group of patients.
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Pressler et al. (2008) studied this question.
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