Influence of combined treatment with naltrexone and memantine on alcohol drinking behaviors: a phase II randomized crossover trial
Krishnan-Sarin S, O’Malley S, Franco N, Cavallo DA, Tetrault JM, Shi J, Gueorguieva R, Pittman B, Krystal JH. Influence of combined treatment with naltrexone and memantine on alcohol drinking behaviors: a phase II randomized crossover trial. Neuropsychopharmacology 2019, 45: 319-326. PMID: 31590179, PMCID: PMC6901445, DOI: 10.1038/s41386-019-0536-z.Peer-Reviewed Original ResearchConceptsAlcohol drinking behaviorFirst treatment periodTreatment periodNumber of drinksCrossover trialDrinking behaviorEfficacy of naltrexoneOpioid antagonist naltrexoneNMDA antagonist memantinePositive family historyDay treatment periodSelf-administration periodAlcohol-induced stimulationAd lib accessMemantine treatmentAntagonist naltrexoneOpioid systemFamily historyNTXPriming drinkMemantineNaltrexoneAlcohol cravingHeavy drinkersAlcohol dependenceThe Kappa Opioid Receptor Is Associated With Naltrexone-Induced Reduction of Drinking and Craving
de Laat B, Goldberg A, Shi J, Tetrault JM, Nabulsi N, Zheng MQ, Najafzadeh S, Gao H, Kapinos M, Ropchan J, O'Malley SS, Huang Y, Morris ED, Krishnan-Sarin S. The Kappa Opioid Receptor Is Associated With Naltrexone-Induced Reduction of Drinking and Craving. Biological Psychiatry 2019, 86: 864-871. PMID: 31399255, DOI: 10.1016/j.biopsych.2019.05.021.Peer-Reviewed Original ResearchConceptsKappa-opioid receptorsAlcohol use disorderOpioid receptorsUse disordersNonselective opioid receptor antagonistModest clinical effectsEfficacy of naltrexoneOpioid receptor antagonistDSM-IV criteriaPositron emission tomographyAlcohol Urge QuestionnaireNaltrexone initiationNaltrexone therapyClinical effectsReceptor antagonistTherapeutic effectCingulate cortexDrinking paradigmHeavy drinkersBilateral insulaNaltrexoneAlcohol dependenceBrain regionsEmission tomographyPrefrontal cortex