Drug and alcohol dependence · 2011
A placebo controlled trial of memantine as an adjunct to oral naltrexone for opioid dependence.
СтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Bisaga Adam, Sullivan Maria A, Cheng Wendy Y, Carpenter Kenneth M, Mariani John J, Levin Frances R, Raby Wilfrid N, Nunes Edward V
Аннотация
BACKGROUND: Preclinical findings suggest that the inhibition of NMDA glutamatergic neurotransmission may have beneficial effects in the treatment of opioid dependence.
AIMS: We hypothesized that memantine, a low-potency, uncompetitive NMDA receptor antagonist, would be safe and effective when used as an adjunct to oral naltrexone in the treatment of opioid dependence, particularly in preventing relapse to opiate use in detoxified individuals.
METHODS: Opioid-dependent participants (N=112) were enrolled. Following detoxification all participants were inducted onto oral naltrexone and were randomized to receive memantine 15 mg bid (N=27), memantine 30 mg bid (N=27) or placebo (N=27) for 12-weeks in combination with naltrexone 50mg/day and individual relapse-prevention therapy. The primary outcome was the retention in treatment since treatment dropout is most commonly associated with relapse to opiate use.
RESULTS: Twenty-six percent of participants withdrew from treatment prior to starting naltrexone. Of those that were randomized 35% completed 4 weeks only, and 24% completed all 12 weeks of treatment. There was no significant difference in treatment retention or heroin use, opiate withdrawal symptoms and craving between the groups treated with memantine vs. placebo.
CONCLUSION: Thus, the efficacy of memantine 30 or 60 mg/day as an adjunct to oral naltrexone for the treatment of opiate dependence was not supported.
AIMS: We hypothesized that memantine, a low-potency, uncompetitive NMDA receptor antagonist, would be safe and effective when used as an adjunct to oral naltrexone in the treatment of opioid dependence, particularly in preventing relapse to opiate use in detoxified individuals.
METHODS: Opioid-dependent participants (N=112) were enrolled. Following detoxification all participants were inducted onto oral naltrexone and were randomized to receive memantine 15 mg bid (N=27), memantine 30 mg bid (N=27) or placebo (N=27) for 12-weeks in combination with naltrexone 50mg/day and individual relapse-prevention therapy. The primary outcome was the retention in treatment since treatment dropout is most commonly associated with relapse to opiate use.
RESULTS: Twenty-six percent of participants withdrew from treatment prior to starting naltrexone. Of those that were randomized 35% completed 4 weeks only, and 24% completed all 12 weeks of treatment. There was no significant difference in treatment retention or heroin use, opiate withdrawal symptoms and craving between the groups treated with memantine vs. placebo.
CONCLUSION: Thus, the efficacy of memantine 30 or 60 mg/day as an adjunct to oral naltrexone for the treatment of opiate dependence was not supported.
Предметные рубрики MeSH
AdultDisease ProgressionDopamine AgentsDouble-Blind MethodFemaleHumansMaleMedication AdherenceMemantineMiddle AgedNaltrexoneNarcotic AntagonistsOpioid-Related DisordersPlacebosReceptors, N-Methyl-D-AspartateSecondary PreventionSubstance Abuse DetectionSubstance Withdrawal SyndromeTime FactorsTreatment OutcomeYoung Adult