12,167
Participants
Start Date
June 14, 2002
Primary Completion Date
July 31, 2007
Study Completion Date
June 13, 2025
Gardasil, human papillomavirus (type 6, 11, 16, 18) recombinant vaccine
A 0.5 mL intramuscular injection in the deltoid muscle at Day 1, Month 2, and Month 6 in the Base Study.
Matching Placebo
A placebo 0.5 mL intramuscular injection in the deltoid muscle at Day 1, Month 2, and Month 6 in the Base Study.
Merck Sharp & Dohme LLC
INDUSTRY