A total of 150 alcohol-dependent individuals were randomly assigned to a 16-week course of naltrexone alone ( 50 mg/day [ N = 50 ] ) , naltrexone ( 50 mg/day ) with gabapentin ( up to 1,200 mg/day [ N = 50 ] ) added for the first 6 weeks , or double placebo ( N = 50 ) .
