199
Participants
Start Date
September 30, 1999
Primary Completion Date
March 31, 2005
Study Completion Date
February 28, 2006
Propranolol
Propranolol 100mg/day in 3 divided doses
Amantadine
Amantadine 100mg three times daily
Placebo
Placebo pills
University of Pennsylvania, Philadelphia
National Institute on Drug Abuse (NIDA)
NIH
University of Pennsylvania
OTHER