67
Participants
Start Date
December 31, 2005
Primary Completion Date
December 31, 2010
Study Completion Date
December 31, 2010
employment-based reinforcement
Work Plus Naltrexone Contingency participants were required to ingest naltrexone to work, and received a brief pay decrease for missing a dose.
The Center for Learning and Health, Baltimore
National Institute on Drug Abuse (NIDA)
NIH
Johns Hopkins University
OTHER