Nalmefene has been recorded to reduce the number of drinks per drinking day in alcohol-dependent subjects;44 however, when measuring days abstinent,44,45 number of heavy drinking days,45–47 time to relapse,44–46 and subjective cravings44,47 the data are controversial. While nalmefene may be superior to naltrexone in its ability to reduce alcohol cravings,48 and does not carry the...