200
Participants
Start Date
March 31, 2000
Primary Completion Date
October 31, 2007
Study Completion Date
October 31, 2007
Levodopa
Carbidopa
Clinical Management
Relapse Prevention Therapy
Contingency Management
University of Texas Health Science Center, Houston
National Institute on Drug Abuse (NIDA)
NIH
University of Texas
OTHER
The University of Texas Health Science Center, Houston
OTHER