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HIV R4P: Tenofovir Gel Associated with Lower Herpes Simplex Risk for Women

The risk of acquiring herpes simplex virus type 2 (HSV-2) was reduced by 46% among women who regularly used a vaginal gel containing tenofovir, according to a secondary analysis of the VOICE trial presented at the HIV Research for Prevention conference (R4P) this week in Cape Town. There was no significant difference in the age, marital status, country, practice of anal sex, HIV status, or hormonal contraceptive use between women who acquired HSV-2 and those who did not.

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HIV Research for Prevention Conference Features Advances in Vaccines, Microbicides, PrEP

The first HIV Research for Prevention -- or HIV R4P -- conference takes place this week in Cape Town, bringing together more than 1300 leading researchers, policymakers, and advocates working on interventions such as HIV vaccines, microbicides, antiretroviral treatment as prevention (TasP), and new forms of pre-exposure prophylaxis (PrEP). The conference incorporates the previously separate HIV vaccine and microbicide meetings as biomedical prevention technologies have converged.

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NIH Awards Grant for Vaginal Ring for HIV Prevention

The National Institutes of Health has awarded a $20 million grant to a consortium that will seek to develop an intravaginal ring that delivers antiretroviral drugs for prevention of HIV infection, the participating research institutions recently announced. The collaboration will test various combinations of antiretrovirals to determine which are most effective when delivered together for pre-exposure prophylaxis, or PrEP.

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ICAAC 2014: Tenofovir Vaginal Ring and Nanoparticle Gel Are Protective in Animal Studies

A vaginal ring that dispenses tenofovir protected all 6 macaque monkeys exposed to an HIV-like virus, while a heat-sensitive vaginal gel containing tenofovir nanoparticles prevented infection of mice, researchers reported at the 54th Interscience Conference on Antimicrobial Agents and Chemotherapy last week in Washington, DC.

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Dapivirine Vaginal Ring Study Fully Enrolled, New Technology Shows Promise

The Microbicide Trials Network (MTN) announced last week that the Phase 3 ASPIRE trial, testing a vaginal ring containing the NNRTI dapivirine for preventing sexual transmission of HIV, has completed enrollment with more than 2600 women. In related news, researchers reported promising findings from a study of a novel "pod" technology for delivering multiple drugs for HIV prevention in a vagina ring.

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