Australian trial of behavioural activation for people with schizophrenia experiencing negative symptoms: A feasibility randomised controlled trial protocol

Kuda Muyambi, Sandra Walsh, Pascale Dettwiller, Kuan Liung Tan, Shaun Dennis, Daniel Bressington, Richard John Gray, Audrey McCall, Martin Jones

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Abstract

Introduction Negative symptoms are frequently experienced by people with schizophrenia. People with negative symptoms often have impaired social functioning and reduced quality of life. There is some evidence that cognitive–behavioural therapy results in a modest reduction in negative symptoms. Behavioural activation may be an effective alternative treatment for negative symptoms.The study aims to examine the feasibility and acceptability of implementing a behavioural activation trial delivered in three community mental health services in South Australia to support adult consumers experiencing negative symptoms of schizophrenia. 

Method and analysis This randomised controlled study will recruit a total of 60 consumers aged 18 years or abov with mild-moderate negative symptoms of schizophrenia. The consumers will be randomly allocated to receive behavioural activation plus usual mental healthcare or usual mental healthcare alone. The intervention group will receive twelve 30 min sessions of behavioural activation, which will be delivered twice weekly over 6 weeks. In addition, we aim to recruit nine mental health workers from the three rural mental health services who will complete a 10-week online training programme in behavioural activation. Changes in negative symptoms of schizophrenia and depressive symptoms will be assessed at three time points: (a) at baseline, at 6 weeks and 3 month follow-ups. Changes in health-related quality of life (Short Form F36; secondary outcome) will be assessed at two time points: (a) at baseline and (b) immediately at postintervention after 6 weeks. At the end of the trial, interviews will be conducted with purposively selected mental health workers and consumers. Descriptive statistics and thematic analysis will be used to assess feasibility and acceptability. 

Ethics and dissemination The findings from our feasibility study will inform the design of a fully powered randomised controlled trial to test the effectiveness of behavioural activation as a treatment for negative symptoms in schizophrenia. The study protocol was approved by the Central Adelaide Local Health Network Human Research Ethics Committee. The findings from this study will be disseminated through peer-reviewed scientific journals and conferences.

Original languageEnglish
Article numbere080245
Pages (from-to)1-11
Number of pages11
JournalBMJ Open
Volume14
Issue number5
DOIs
Publication statusPublished - 6 May 2024

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© Author(s) (or their employer(s)) 2024.

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