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Daily-use HIV prevention approaches prove ineffective among women in NIH study
Date:3/4/2013

HIV infections among these young women was nearly 10 percent at some of the study sites in South Africa, reflecting a very high incidence of HIV infection among young women in these communities.

"We do not know why many participants in the VOICE study did not adhere to daily use of these HIV prevention strategies," said NIAID Director Anthony S. Fauci, M.D. "We must continue to conduct research to find additional HIV prevention tools that women will find acceptable and use consistently to protect themselves against infection."

In other HIV prevention studies involving different study populations, including men and women, both oral Truvada and oral tenofovir have demonstrated an ability to reduce the risk of HIV infection when used consistently. However, the VOICE study results are consistent with another clinical trial known as the FEM-PrEP study, which tested daily use of oral Truvada among a similar population of women. Like the VOICE study, researchers found that the majority of FEM-PrEP participants did not follow the daily regimen.

The VOICE study, which launched in 2009, was led by co-investigators Zvavahera Mike Chirenje, M.D., of the University of Zimbabwe in Harare, and Jeanne Marrazzo, M.D., M.P.H., from the University of Washington, Seattle. In fall 2011, oral tenofovir and tenofovir vaginal gel were dropped from the VOICE trial after separate routine reviews of the study data by an independent data and safety monitoring board determined that while each product was safe, neither was effective in preventing HIV compared with placebo. Researchers continued to evaluate oral Truvada until the study's scheduled conclusion in August 2012. Results presented today at the CROI meeting by Dr. Marazzo provided an analysis for each o
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Contact: Kathy Stover
niaidnews@niaid.nih.gov
301-402-1663
NIH/National Institute of Allergy and Infectious Diseases
Source:Eurekalert

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