106
Participants
Start Date
September 30, 2007
Primary Completion Date
December 31, 2012
Study Completion Date
January 31, 2013
sugar pill
Subjects randomized to placebo, carvedilol 25mg or 50mg
Carvedilol 25 mg
subjects randomized to placebo, carvedilol 25mg or 50mg
Carvedilol 50 mg
subjects randomized to placebo, carvedilol 25mg or 50mg
Veterans Hospital, West Haven
National Institute on Drug Abuse (NIDA)
NIH
Yale University
OTHER