Condition

HIV Prevention clinical trials and research

As of November 12, 2026, Find a Trial lists 33 HIV Prevention clinical trials that are recruiting, at sites in 8 countries (most in United States (21), Thailand (5), Malawi (3)). By phase: Phase 4 (3), Phase 1 (1). The most active sponsors are Institute of HIV Research and Innovation Foundation, Thailand (5), University of North Carolina, Chapel Hill (3), University of Colorado, Denver (2). There are also 249 NIH-funded research projects on HIV Prevention, with $172.4 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.

Newest HIV Prevention clinical trials

StudyPhaseWhereStatusRegistered
Pharmacist-guided PEP/PrEP Access Using PEPPI Software — Del Mar, California Recruiting Jul 6, 2026
Feasibility of Online HIV Prevention Research for People Who Inject Drugs — The Bronx, New York Recruiting Jun 4, 2026
Host-led harm reduction for men who have sex with men who engage in chemsex in Bangkok — Pathum Wan, Bangkok Recruiting Apr 6, 2026
Transgender-tailored harm reduction and PrEP service for people who engage in chemsex in Bangkok — Pathum Wan, Bangkok Recruiting Apr 6, 2026
See if PrEP Choice helps young people start and stick with HIV prevention methods — San Francisco, California and 5 other locations Recruiting Apr 3, 2026
Adding sexual-pleasure conversations to harm reduction services for MSM and transgender people who do chemsex in Thailand — Pathum Wan, Bangkok Recruiting Apr 3, 2026
Mobile interventions to reduce HIV stigma and improve PrEP use for transgender women in Bangkok — Bangkok, Bangkapi and 2 other locations Recruiting Apr 3, 2026
Developing transgender-tailored chemsex harm-reduction services in Thailand — Pathum Wan, Bangkok Recruiting Apr 1, 2026
Bringing long-acting lenacapavir PrEP to people who are unstably housed in Los Angeles County — Santa Monica, California Recruiting Mar 12, 2026
California MEPS Hub for HIV prevention and reentry support — Oakland, California and 2 other locations Recruiting Feb 25, 2026

All recruiting trials (33)

NIH-funded research (newest 40 of 249)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

Related topics

Sexually Transmitted Infections (STIs)Substance UseHIVPrEPPrEP UptakeChemsexHIV Pre-exposure ProphylaxisMental HealthPre-exposure ProphylaxisAcceptabilityBreastfeedingHepatitis C Virus (HCV)HIV TreatmentIncarceration

Quick answers

How many HIV Prevention clinical trials are recruiting right now?

33, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 8 countries. The most sites are in United States (21 trials), Thailand (5 trials), Malawi (3 trials), South Africa (2 trials), Puerto Rico (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 3, Phase 1: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.

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Last reviewed 2026-11-12 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.