European addiction research · 2017
Naltrexone in the Treatment of Broadly Defined Behavioral Addictions: A Review and Meta-Analysis of Randomized Controlled Trials.
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Mouaffak Fayçal, Leite Claudio, Hamzaoui Sonia, Benyamina Amine, Laqueille Xavier, Kebir Oussama
Аннотация
INTRODUCTION: Broadly defined behavioral addiction is a conceptual framework including behaviors characterized by loss of control and continuation despite significant negative consequences. Broadly defined behavioral addictions share many similarities with substance use disorders. As naltrexone is one of the most studied treatment for substance use disorders, we conducted a meta-analysis of randomized placebo-controlled trials (RCT) assessing the effectiveness of naltrexone in the treatment of broadly defined behavioral addictions.
METHOD: We conducted a literature search and selection, up to January 1, 2017, according to previously set inclusion criteria. The selected trials underwent a quality assessment before data extraction and statistical analysis, which used fixed and random effects models. Standardized mean differences (SMD) were calculated using Hedge's adjusted g.
RESULTS: A total of 6 RCTs (n = 356) were included. Of these, 3 assessed naltrexone effectiveness in the treatment of pathological gambling, and 3 tested its benefits in broadly defined behavioral addictions other than pathological gambling (kleptomania, trichotillomania, and impulsive compulsive disorders). The meta-analysis of the whole sample resulted in a statistically significant score improvement under naltrexone versus placebo (fixed effect model: SMD = -0.27, 95% CI [-0.51 to -0.03], z = 2.23; p = 0.025).
CONCLUSION: The results of our meta-analysis suggest a beneficial effect of naltrexone in the treatment of broadly defined behavioral addictions.
METHOD: We conducted a literature search and selection, up to January 1, 2017, according to previously set inclusion criteria. The selected trials underwent a quality assessment before data extraction and statistical analysis, which used fixed and random effects models. Standardized mean differences (SMD) were calculated using Hedge's adjusted g.
RESULTS: A total of 6 RCTs (n = 356) were included. Of these, 3 assessed naltrexone effectiveness in the treatment of pathological gambling, and 3 tested its benefits in broadly defined behavioral addictions other than pathological gambling (kleptomania, trichotillomania, and impulsive compulsive disorders). The meta-analysis of the whole sample resulted in a statistically significant score improvement under naltrexone versus placebo (fixed effect model: SMD = -0.27, 95% CI [-0.51 to -0.03], z = 2.23; p = 0.025).
CONCLUSION: The results of our meta-analysis suggest a beneficial effect of naltrexone in the treatment of broadly defined behavioral addictions.