%0 Journal Article %T A Randomized Trial to Assess Anti-HIV Activity in Female Genital Tract Secretions and Soluble Mucosal Immunity Following Application of 1% Tenofovir Gel %A Marla J. Keller %A Rebecca P. Madan %A N. Merna Torres %A Melissa J. Fazzari %A Sylvia Cho %A Sabah Kalyoussef %A Gail Shust %A Pedro M. M. Mesquita %A Nicolette Louissaint %A Jianmeng Chen %A Hillel W. Cohen %A Erin C. Diament %A Anna C. Lee %A Lydia Soto-Torres %A Craig W. Hendrix %A Betsy C. Herold %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0016475 %X Preclinical and early phase clinical microbicide studies have not consistently predicted the outcome of efficacy trials. To address this gap, candidate biomarkers of microbicide pharmacodynamics and safety were evaluated in a double-blind, placebo-controlled trial of tenofovir gel, the first microbicide to demonstrate significant protection against HIV acquisition. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0016475