Journal
DRUG AND ALCOHOL DEPENDENCE
Volume 103, Issue 1-2, Pages 59-64Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.drugalcdep.2009.03.011
Keywords
Cocaine; Dependence; Baclofen
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Funding
- National Institute on Drug Abuse [Y1-DA4006]
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Background: Cocaine dependence is a major public health problem for which there is no FDA-approved pharmacological treatment. Baclofen is a GABA(B) receptor agonist that in preclinical and early pilot clinical trials has shown promise for the treatment of cocaine dependence. The purpose of this multi-site, double-blind study, was to compare the safety and efficacy of baclofen (60 mg/day) vs placebo in an 8-week treatment of individuals with severe cocaine dependence. The primary Outcome measure was subjects' self-reported cocaine use substantiated by urine benzoylecgonine (BE). Analysis of the data did not show a significant difference between the groups treated with baclofen and placebo. The current results do not support a role for 60 mg baclofen in treating cocaine dependence in the population studied. The contrast of this result to earlier, preclinical and human pilot data with baclofen may reflect the trial's focus on severe cocaine-dependent users, and/or the need for a higher baclofen dose. Baclofen's potential as a relapse prevention agent was not tested by the current design, but may be a useful target for future studies. (C) 2009 Elsevier Ireland Ltd. All rights reserved.
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