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How effective are psychosocial treatments for the management of cannabis, cocaine, opiate and polysubstance abuse and dependence?
Self-reported abstinence (maximum number days/weeks, mean percent of days abstinent during treatment, percentage of sample abstinent ⩾3 weeks during treatment, percentage of sample with post treatment abstinence), post-treatment score on the Addiction Severity Index, and toxicology (mean number and percent of negative screens during treatment, percent of sample demonstrating abstinence).
Systematic review with meta-analysis.
PsycINFO and MEDLINE (searched from date of inception to March 2005), and search of the Cochrane Central Register of Controlled Trials (first quarter of 2005).
Study selection and analysis:
All English-language RCTs of any individual psychosocial interventions for any substance abuse (excluding alcohol or nicotine abuse/dependence) compared to a control (eg, waiting list, treatment as usual). Trials had to include only participants aged ⩾18 years and be in a nonintensive outpatient setting with no more than three 2-hour sessions per week. Exclusions: trials reporting longer term but not immediate post-treatment follow-up; control …
Source of funding: NIDA grant to DR Otto and a Minority Supplement award to Ms Basden.
Additional notes and a reference list are published online only at http://ebmh.bmj.com/content/vol11/issue4
Competing interests: None.
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