Naltrexone and relapse prevention treatment for cocaine-dependent patients

J. M. Schmitz, A. L. Stotts, H. M. Rhoades, J. Grabowski

Research output: Contribution to journalArticlepeer-review

110 Scopus citations

Abstract

A double-blind, placebo-controlled clinical trial examining the joint action of naltrexone (NTX) in combination with relapse prevention (RP) therapy for the treatment of cocaine dependence was conducted. Eighty-five participants who achieved initial abstinence during the intake evaluation and detoxification phase of the study were randomized into 1 of 4 combined NTX (0 vs. 50 mg) by therapy (RP vs. Drug Counseling) experimental conditions for the 12-week outpatient treatment phase of the study. A random effects regression model to test for group differences on percentage of cocaine-positive urines indicated a significant time by medication by therapy interaction, suggesting less cocaine use over time among subjects receiving RP-50mg than those in the other conditions. No differences were found for retention or time until first cocaine-positive urine. Naltrexone was well tolerated by participants, with acceptable rates of medication compliance observed. Treatment integrity measures confirmed successful manipulation of the psychotherapy. These results are consistent with the notion that substance use in dependent patients can be reduced with a combination of coping skills training and pharmacologic treatments.

Original languageEnglish (US)
Pages (from-to)167-180
Number of pages14
JournalAddictive Behaviors
Volume26
Issue number2
DOIs
StatePublished - Mar 4 2001

Bibliographical note

Funding Information:
Support for this research was provided by Grant DA-09262-04 from the National Institute on Drug Abuse, and from the Department of Psychiatry and Behavioral Sciences, University of Texas—Houston. Portions of this work were presented at the 62nd Annual Scientific Meeting of the College on Problems of Drug Dependence, Acapulco, Mexico, 1999. The authors would like to acknowledge the dedicated efforts of the staff at the Treatment Research Clinic of the Substance Abuse Medications Development Research Center, UT—Houston, for their support of this study.

Keywords

  • Cocaine
  • Naltrexone
  • Pharmacotherapy
  • Psychotherapy
  • Relapse prevention therapy

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