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Trial Details 
HVTN 050/Merck 018
Merck 018, STEP
A Worldwide, Phase I, Dose-Escalating Study of the Safety, Tolerability, and Immunogenicity of a 3-Dose Regimen of the  MRKAd5 HIV-1 gag Vaccine in Healthy Adults
Phase:
I
Trial Name:
HVTN 050/Merck 018
Study Status:
Terminated
Start Date:
2/11/2003
Product:
MRKAd5 HIV-1 gag
Prime:
MRKAd5 HIV-1 gag
Prime Class:
Viral Vector - Adeno
Organizer, Developer:
HVTN, Merck
Sponsor:
NIAID; Merck
Project Site:
Brazil, Dominican Republic, Haiti, Malawi, Peru, South Africa, Thailand, United States
Number of Volunteers:
435
Principal Investigators:
Dr. Scott Hammer