333
Participants
Start Date
December 31, 2005
Primary Completion Date
June 30, 2009
Study Completion Date
March 31, 2010
Naltrexone (drug)
50 mg q.d. for 13 weeks
Placebo (for Naltrexone)
Sugar pill manufactured to mimic Naltrexone tablet
The University of Chicago, Department of Psychiatry, Chicago
National Institutes of Health (NIH)
NIH
National Institute on Drug Abuse (NIDA)
NIH
University of Chicago
OTHER