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BRITISH JOURNAL OF PSYCHIATRY
卷 188, 期 -, 页码 439-448出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjp.188.5.439
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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. Declaration of interest None. Funding is detailed in Acknowledgements.
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