Treating adolescent drug abuse: a randomized trial comparing multidimensional family therapy and cognitive behavior therapy

ABSTRACT Aim To examine the efficacy of two adolescent drug abuse treatments: individual cognitive behavioral therapy (CBT) and multidimensional family therapy (MDFT). Design A 2 (treatment condition) x 4 (time) repeated‐measures intent‐to‐treat randomized design. Data were gathered at baseline, t...

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Bibliographic Details
Published in:	Addiction (Abingdon, England) England), 2008-10, Vol.103 (10), p.1660-1670
Main Authors:	Liddle, Howard A., Dakof, Gayle A., Turner, Ralph M., Henderson, Craig E., Greenbaum, Paul E.
Format:	Article
Language:	eng
Subjects:	Addiction Addictive behaviors Adolescent Adolescent Behavior - psychology Adolescent drug abuse adolescent treatment research Adolescents Adult and adolescent clinical studies Alcohol consumption Ambulatory Care - methods Behavior therapy. Cognitive therapy Biological and medical sciences Cannabis Clinical trials cognitive behavioral therapy Cognitive Behavioral Therapy - methods Cognitive behaviour therapy Cognitive therapy Comparative studies Drug abuse Drug addiction Drug users Family counseling Family Therapy - methods family-based interventions Female Humans Male Medical sciences multidimensional family therapy Patient Compliance Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Psychotherapy randomized controlled trial Social problems Substance abuse Substance abuse treatment Substance-Related Disorders - epidemiology Substance-Related Disorders - psychology Substance-Related Disorders - therapy Teenagers Treatments U.S.A United States - epidemiology
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Summary:	ABSTRACT Aim To examine the efficacy of two adolescent drug abuse treatments: individual cognitive behavioral therapy (CBT) and multidimensional family therapy (MDFT). Design A 2 (treatment condition) x 4 (time) repeated‐measures intent‐to‐treat randomized design. Data were gathered at baseline, termination, 6 and 12 months post‐termination. Analyses used latent growth curve modeling. Setting Community‐based drug abuse clinic in the northeastern United States. Participants A total of 224 youth, primarily male (81%), African American (72%), from low‐income single‐parent homes (58%) with an average age of 15 years were recruited into the study. All youth were drug users, with 75% meeting DSM‐IV criteria for cannabis dependence and 13% meeting criteria for abuse. Measurements Five outcomes were measured: (i) substance use problem severity; (ii) 30‐day frequency of cannabis use; (iii) 30‐day frequency of alcohol use; (iv) 30‐day frequency of other drug use; and (v) 30‐day abstinence. Findings Both treatments produced significant decreases in cannabis consumption and slightly significant reductions in alcohol use, but there were no treatment differences in reducing frequency of cannabis and alcohol use. Significant treatment effects were found favoring MDFT on substance use problem severity, other drug use and minimal use (zero or one occasion of use) of all substances, and these effects continued to 12 months following treatment termination. Conclusion Both interventions are promising treatments. Consistent with previous controlled trials, MDFT is distinguished by the sustainability of treatment effects.
ISSN:	0965-2140 1360-0443