The Recruitment and Retention of Individuals with Intellectual Disability in Randomized Controlled Trials: A Scoping Review

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Bibliographic Details
Title: The Recruitment and Retention of Individuals with Intellectual Disability in Randomized Controlled Trials: A Scoping Review
Language: English
Authors: Owen Doody (ORCID 0000-0002-3708-1647), Louise Murphy (ORCID 0000-0003-2381-3963), Ruth Ryan (ORCID 0000-0002-7632-412X), Rosemary Lyons, Wenyi Tang, Lorna Bourke
Source: British Journal of Learning Disabilities. 2026 54(2):171-211.
Availability: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
Peer Reviewed: Y
Page Count: 41
Publication Date: 2026
Document Type: Journal Articles
Information Analyses
Reports - Research
Descriptors: Intellectual Disability, Inclusion, Randomized Controlled Trials, Recruitment, Ethics, Consent, Evidence Based Practice, Advocacy, Participant Characteristics
DOI: 10.1111/bld.70010
ISSN: 1354-4187
1468-3156
Abstract: Background: People with intellectual disabilities face significant health disparities and often encounter barriers in accessing healthcare services. Although research supports the need for reasonable adjustments to improve healthcare access for this population, implementation in acute healthcare settings remains limited. Methods: This scoping review was conducted using Arksey and O'Malley's framework. A systematic search was performed across six databases, including MEDLINE and Scopus, to examine recruitment and retention strategies for individuals with intellectual disabilities in randomised controlled trials (RCTs). Results: Out of 78 selected studies, three main themes emerged: recruitment through community and organisational support, tailored communication strategies and relationship-building approaches to enhance participant engagement. The findings highlight challenges related to ethical concerns, consent processes, gatekeeper access and discrimination. Conclusions: The review emphasises the importance of inclusive strategies in RCTs involving people with intellectual disabilities. It recommends collaborative efforts, targeted training, flexible research protocols, practical support mechanisms, advocacy and dedicated funding to facilitate disability-specific trials and ensure equitable, evidence-based healthcare interventions.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1505911
Database: ERIC
Description
Abstract:Background: People with intellectual disabilities face significant health disparities and often encounter barriers in accessing healthcare services. Although research supports the need for reasonable adjustments to improve healthcare access for this population, implementation in acute healthcare settings remains limited. Methods: This scoping review was conducted using Arksey and O'Malley's framework. A systematic search was performed across six databases, including MEDLINE and Scopus, to examine recruitment and retention strategies for individuals with intellectual disabilities in randomised controlled trials (RCTs). Results: Out of 78 selected studies, three main themes emerged: recruitment through community and organisational support, tailored communication strategies and relationship-building approaches to enhance participant engagement. The findings highlight challenges related to ethical concerns, consent processes, gatekeeper access and discrimination. Conclusions: The review emphasises the importance of inclusive strategies in RCTs involving people with intellectual disabilities. It recommends collaborative efforts, targeted training, flexible research protocols, practical support mechanisms, advocacy and dedicated funding to facilitate disability-specific trials and ensure equitable, evidence-based healthcare interventions.
ISSN:1354-4187
1468-3156
DOI:10.1111/bld.70010