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

cluding 185 participants who became HIV-infected, it became clear that adherence was low across each of the study's three investigational product groups. Drug was detected in the blood of 29 percent of the women in the Truvada group, 28 percent in the oral tenofovir group and 23 percent among those in the tenofovir gel group. When examining the data by age, young, single women were less likely to use their assigned treatment strategy. For example, among the women assigned to use oral Truvada, drug was detected in the blood of only 21 percent of young, single women compared to 54 percent of those married and over the age of 25.

"Based on our findings, it is clear that young, single women in Africa continue to be at very high risk for HIV infection and may need the greatest assistance with using prevention strategies consistently," said Dr. Marrazzo. Among VOICE study participants, the rate of new HIV infections was nearly 9 percent among unmarried women under the age of 25 compared to 0.8 percent for older married women, a statistically significant difference.

Through two ongoing behavioral studies involving VOICE participants, researchers are hoping to gain insight as to why the women did or did not use the investigational products. Results from those two studies are expected later this year.

NIAID funded the VOICE study with co-funding from the National Institute of Mental Health and the Eunice Kennedy Shriver National Institute of Child Health and Human Development, also part of the NIH. The trial was conducted by the NIH-funded Microbicide Trials Network (MTN). Gilead Sciences, Inc., of Foster City, Calif., donated the tenofovir and Truvada tablets. CONRAD of Arlington, Va., provided the tenofovir gel and applicators used to insert the product.


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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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