Efficacy, Immunogenicity and Safety of GlaxoSmithKline Biologicals' HPV GSK 580299 Vaccine in Healthy Chinese Female Subjects

This is a multicenter study in which women are planned to receive either the HPV vaccine or control. Study participation will last approximately 72 months and involves a total of thirteen or fourteen scheduled visits. Originally, the study was planned for 24 months. It was then extended for 2 more years with 4 additional visits (study end at Month 48). The protocol posting has been updated as the study will be extended by additional 2 years with two or three additional visits (study end at Month 72) for subjects who consent to participate in the extension.