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Maximizing Patient Recruitment and Retention in a Secondary Stroke Prevention Clinical Trial: Lessons Learned from the STAND FIRM Study

journal contribution
posted on 2023-05-18, 19:58 authored by Thayabaranathan, T, Cadilhac, DA, Srikanth, VK, Fitzgerald, SM, Evans, RG, Kim, J, Gerraty, RP, Phan, TG, Bladin, CF, Mark NelsonMark Nelson, Frayne, JH, Thrift, AG
BACKGROUND: Recruitment and retention of patients in a clinical trial is important for generalizability and robustness of findings. We aimed to investigate features of a study design that were associated with recruitment and retention in a Phase II and Phase III trial of a secondary prevention program for stroke.

METHODS: Following informed consent in hospital, Phase II participants were randomized to intervention or usual care. Baseline clinical assessments were conducted at home approximately 3 months after discharge. In Phase III study, informed consent was obtained at home. We compared the characteristics of participants recruited and retained to 12 months for both phases. Interviews with study nurses were undertaken in order to ascertain their opinions of features of study design. Triangulation was used to identify the features of study design that nurses thought had improved recruitment and retention.

RESULTS: All 24 eligible participants were recruited to the Phase II pilot study (100% recruitment), with 67% retention at 12 months. In Phase III study, 570 participants were recruited, and 93% of these participants had reached their 12-month assessment (n = 532) and were still participating. Consistent with the greater patient retention in Phase III study, nurses reported that patients' willingness to participate was greater when consent was obtained at home.

CONCLUSION: Following a change in the consent process from hospital to home, more participants continued participation to 12 months. Pilot studies can provide important data to improve study design and better understand potential barriers to recruitment and retention.


Publication title

Journal of Stroke and Cerebrovascular Diseases










Menzies Institute for Medical Research


W.B. Saunders Co.

Place of publication

United States

Rights statement

Copyright 2016 National Stroke Association

Repository Status

  • Restricted

Socio-economic Objectives

Clinical health not elsewhere classified

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