ВИЧ: текущие исследования
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Intentions to use pre-exposure prophylaxis among current phase 2B preventive HIV-1 vaccine efficacy trial participants

Jonathan D. Fuchs

In November 2010, the iPrEx study reported that pre-exposure prophylaxis (PrEP) with daily tenofovir disoproxil fumarate/emtricitabine reduced HIV infections by 44% among men who have sex with men and subsequent trials corroborated efficacy among heterosexual men and women. During regularly scheduled follow-up visits from January-March 2011, participants in an ongoing phase 2b vaccine efficacy trial completed an anonymous web survey about PrEP. Among 376 respondents, 17% reported they were very likely to use PrEP in the next year. Non-white participants were more likely to use PrEP. Among those with some level of interest, intent to use PrEP was greatest if the drug were available through the clinical trial or health insurance. Most (91%) believed taking PrEP would not change their willingness to stay in the vaccine trial and few thought it would affect recruitment. As key stakeholders, currently enrolled trial participants can offer vital input about emerging prevention technologies that may affect the design of future HIV vaccine and non-vaccine prevention trials.