Overview Extended Safety Study of Tenofovir Disoproxil Fumarate (TDF) Among HIV-1 Negative Men Status: Completed Trial end date: 2009-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to examine safety and tolerability of daily tenofovir use in HIV-uninfected men. Phase: Phase 2 Details Lead Sponsor: Centers for Disease Control and PreventionCollaborators: AIDS Research Consortium of AtlantaSan Francisco Department of Public HealthTreatments: Tenofovir