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  • Title: Meta-analysis of desipramine as an adjunct in the treatment of cocaine addiction.
    Author: Levin FR, Lehman AF.
    Journal: J Clin Psychopharmacol; 1991 Dec; 11(6):374-8. PubMed ID: 1837556.
    Abstract:
    Many pharmacologic regimens have been recommended as supplemental treatment strategies for cocaine abuse. Using the technique of meta-analysis, we compared and combined the data from six studies to examine the efficacy of desipramine as an adjunctive treatment approach for cocaine addiction. These studies were randomized, placebo-controlled clinical trials of desipramine and involved a total of 200 cocaine-addicted patients. We found that desipramine is no better than placebo in retaining patients in treatment. However, while patients are in treatment, desipramine is helpful in promoting abstinence (p less than 0.001). There were several compromises made to use meta-analysis for these studies. These included comparing patient populations with different psychiatric and substance use diagnoses, comparing studies that used varying amounts of psychotherapy, and comparing studies that defined certain outcome variables in diverse ways. There are other limitations in the use of meta-analysis that were not specific to the studies we compared. These include such issues as statistical bias and publication bias. The purpose of this paper is to suggest the use of meta-analysis as one way to help the clinician evaluate the literature and to point out the areas of difficulty when assessing the literature.
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