1,260
Participants
Start Date
January 31, 2004
Primary Completion Date
June 30, 2007
Study Completion Date
December 31, 2009
hepatitis B vaccine 3 dose schedule (0,1,2 month)
hepatitis B (HB) vaccine: Engerix-B (GlaxoSmithKline) (20 µg/dose) accelerated HB vaccine schedule (0,1,2 month),vs, standard HB vaccine schedule (0,1,6 m)
HBV Vaccination Self-Efficacy Intervention
HB Vaccination Intervention consists of 4 sessions - Sessions 1, 2: at screening and enrollment after intake, vs regular risk reduction education Sessions 3, 4: coincide with the vaccination schedule ions 4 before 3rd dose
University of Texas-HSC at Houston, School of Public Health, Houston
National Institute on Drug Abuse (NIDA)
NIH