In a combined analysis of the data from the 186 alcohol dependent patients in these two
studies, patients randomized to receive 50 mg of naltrexone for 12 weeks were more likely to remain
abstinent and to avoid relapse to heavy drinking 31 % of placebo patients remained abstinent compared
to 54% of patients on naltrexone 48% of placebo patients avoided heavy drinking, whereas 75% of
naltrexone patients successfully avoided drinking to excess