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Assessing Randomised Clinical Trials of Cognitive and Exposure Therapies for Gambling Disorders: A Systematic Review

Published online by Cambridge University Press:  12 August 2013

David P. Smith ,
Kirsten I. Dunn ,
Peter W. Harvey ,
Malcolm W. Battersby  and
Rene G. Pols
David P. Smith*
Affiliation:
Flinders Human Behaviour and Health Research Unit, Department of Psychiatry, Flinders University, Adelaide, South Australia, Australia
Kirsten I. Dunn
Affiliation:
Flinders Human Behaviour and Health Research Unit, Department of Psychiatry, Flinders University, Adelaide, South Australia, Australia
Peter W. Harvey
Affiliation:
Flinders Human Behaviour and Health Research Unit, Department of Psychiatry, Flinders University, Adelaide, South Australia, Australia
Malcolm W. Battersby
Affiliation:
Flinders Human Behaviour and Health Research Unit, Department of Psychiatry, Flinders University, Adelaide, South Australia, Australia
Rene G. Pols
Affiliation:
Flinders Human Behaviour and Health Research Unit, Department of Psychiatry, Flinders University, Adelaide, South Australia, Australia
*
Address for correspondence: David P. Smith, Flinders University, Department Of Psychiatry, Flinders Human Behaviour And Health Research Unit, GPO Box 2100, Adelaide SA 2001, Australia. Email: david.smith@flinders.edu.au
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Abstract

Aims: Problem or pathological gambling is associated with significant disruption to the individual, family and community with a range of adverse outcomes, including legal, financial and mental health impairment. It occurs more frequently in younger populations, and comorbid conditions are common. Cognitive–behaviour therapy (CBT) is the most empirically established class of treatments for problematic gambling. This article reports on a systematic review and evaluation of randomised clinical trials (RCTs) concerning two core techniques of CBT: cognitive and behavioural (exposure-based) therapies. Methods: PsycINFO, MEDLINE and the Cochrane library were searched from database inception to December 2012. The CONsolidated Standards Of Reporting Trials (CONSORT) for non-pharmacological treatments was used to evaluate each study. Results: The initial search identified 104 references. After two screening phases, seven RCTs evaluating either cognitive (n = 3), exposure (n = 3) or both (n = 1) interventions remained. The studies were published between 1983 and 2003 and conducted across Australia, Canada, and Spain. On average, approximately 31% of CONSORT items were rated as ‘absent’ for each study and more than 52% rated as ‘present with some limitations’. For all studies, 70.83% of items rated as ‘absent’ were in the methods section. Conclusions: The findings from this review of randomised clinical trials involving cognitive and exposure-based treatments for gambling disorders show that the current evidence base is limited. Trials with low risk of bias are needed to be reported before recommendations are given on their effectiveness and clinicians can appraise their potential utility with confidence.

Keywords

gambling disorderscognitive therapyexposure therapyrandomised clinical trialCONSORT statement
Type
Review Article
Information
Behaviour Change , Volume 30 , Issue 3 , September 2013 , pp. 139 - 158
Copyright
Copyright © The Author(s), published by Cambridge University Press on behalf of Australian Academic Press Pty Ltd 2013 

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