A pilot randomised controlled trial of Acceptance and Commitment Therapy group intervention for family caregivers of people with dementia in Brazil

Gomes Ferreira, Michele, Caetano Vieira de Faria, Renata, Kishita, Naoko and Caramelli, Paulo (2026) A pilot randomised controlled trial of Acceptance and Commitment Therapy group intervention for family caregivers of people with dementia in Brazil. Clinical Gerontologist. ISSN 0731-7115 (In Press)

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Abstract

Objectives: Investigate the effectiveness of an Acceptance and Commitment Therapy (ACT) group intervention on anxiety symptoms in Brazilian family caregivers of people with dementia (PWD). Methods: Single-centre, unblinded, double-arm, pilot randomised controlled trial. Fifty-seven family caregivers of PWD with mild to severe anxiety symptoms were randomised to intervention group (n=29) or waiting list group (n=28). The intervention group received eight videoconference sessions of group ACT. Participants completed measures of anxiety and depressive symptoms, caregiver burden, psychological flexibility and quality of life (QOL) at Weeks 0, 9 and 20. Results: Participants in the intervention group had lower scores of anxiety compared to control at weeks 9 and 20, when assessed using the GAD-7. No between-group effects were observed for depressive symptoms, caregiver burden (ZBI-12), QOL, or psychological flexibility. In the completer analysis only, a significant reduction in anxiety symptoms measured by HADS-A was observed at Week 20. Conclusions: This pilot study provides initial evidence that group ACT may reduce anxiety symptoms in family caregivers of PWD. Larger, fully powered trials are needed to confirm these findings and to clarify effects on other caregiver outcomes.

Item Type:	Article
Additional Information:	The data that support the findings of this study are available from the corresponding author, MF, upon reasonable request.
Faculty \ School:	Faculty of Medicine and Health Sciences > School of Health Sciences
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Centres > Mental Health and Social Care (fka Lifespan Health) Faculty of Medicine and Health Sciences > Research Groups > Dementia & Complexity in Later Life Faculty of Arts and Humanities > Research Groups > Centre for Japanese Studies
Depositing User:	LivePure Connector
Date Deposited:	12 Jan 2026 14:30
Last Modified:	12 Jan 2026 14:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/101587
DOI:	issn:0731-7115

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