Cognitive-behavioural therapy for substance use disorders in people with psychotic disorders: Randomised controlled trial

TitleCognitive-behavioural therapy for substance use disorders in people with psychotic disorders: Randomised controlled trial
Publication TypeJournal Article
Year of Publication2006
AuthorsBaker, A, Bucci, S, Lewin, TJ, Kay-Lambkin, F, Constable, PM, Carr, VJ
JournalBritish Journal of Psychiatry
PublisherRoyal College of Psychiatrists
Place PublishedUnited Kingdom
Publication Languageeng
ISBN Number0007-12501472-1465
Accession Number2006-06728-008. First Author & Affiliation: Baker, Amanda
Keywordscognitive behavior therapy, Cognitive-behavioural therapy, Comorbidity, Drug Rehabilitation, motivational interviewing, psychosis, Psychotic Disorders, Substance use disorders

Background: Few randomised controlled trials have been aimed specifically at substance use reduction among people with psychotic disorders. Aims: To investigate whether a 10-session intervention consisting of motivational interviewing and cognitive behavioural therapy (CBT) was more efficacious than routine treatment in reducing substance use and improving symptomatology and general functioning. Method: A community sample of people with a psychotic disorder and who reported hazardous alcohol, cannabis and/or amphetamine use during the preceding month was recruited. Participants were randomly allocated to motivational interviewing/CBT (n=65) or treatment as usual (n=65), and were assessed on multiple outcomes at baseline, 15 weeks, 6 months and 12 months. Results: There was a short-term improvement in depression and a similar trend with regard to cannabis use among participants who received the motivational interviewing/CBT intervention, together with effects on general functioning at 12 months. There was no differential benefit of the intervention on substance use at 12 months, except for a potentially clinically important effect on amphetamine use. Conclusions: The motivational interviewing/CBT intervention was associated with modest improvements. (PsycINFO Database Record (c) 2010 APA, all rights reserved) (journal abstract)

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