Westat
Clinical trials sponsored by Westat, explained in plain language.
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Can a phone app and a post-sex pill stop HIV and STIs in youth?
Prevention Not yet recruitingThis study tests a mobile health program called PrEP Choice to help young people (ages 13-24) start and stick with HIV prevention medication (PrEP). It also looks at whether taking a pill called DoxyPEP after sex can prevent other STIs. About 200 participants at higher risk for H…
Phase: PHASE2 • Sponsor: Westat • Aim: Prevention
Last updated May 16, 2026 23:17 UTC
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New study brings HIV prevention to youth via smartphone and home visits
Prevention Not yet recruitingThis study tests whether a mobile app and having a community health worker deliver PrEP (HIV prevention medication) at a place convenient for the participant—like home or a mobile van—helps young people aged 13–24 stick with their PrEP routine. About 272 participants who are HIV-…
Phase: NA • Sponsor: Westat • Aim: Prevention
Last updated May 15, 2026 11:53 UTC
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Plasma donors wanted for landmark health study
Knowledge-focused Not yet recruitingThis study will follow 2,090 plasma donors for up to 2 years to see if frequent plasma donation has any negative health effects. Participants will complete surveys and provide blood samples to measure key health markers. The goal is to confirm that donating plasma regularly is sa…
Sponsor: Westat • Aim: Knowledge-focused
Last updated May 15, 2026 11:56 UTC