Clinical trials
Sexually Transmitted Infections (STIs) clinical trials
Below are recruiting sexually transmitted infections (stis) clinical trials, each written for real people, not researchers. We’re tracking 8 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06738407RecruitingPhase 4
Doxycycline to prevent STIs in high-risk people
This study tests whether taking a daily antibiotic (doxycycline) can prevent sexually transmitted infections in people at high risk. If you've had an STI recently and sometimes have sex without condoms, you might be able to join.
Los Angeles, CaliforniaAges 13–29 - NCT06860945Recruiting
Predicting STIs in people on HIV PrEP in Spain
This study is for people in Spain who are starting or already taking PrEP pills to prevent HIV. It aims to create a tool that can help predict who might get a sexually transmitted infection while on PrEP, so doctors can offer better monitoring or prevention.
AlmeríaAges 16 years+ - NCT06919614RecruitingPhase 3
Testing STIs to Improve PrEP Use in Pregnancy
This trial tests whether STI testing during pregnancy helps more women start and stay on PrEP (a daily pill that prevents HIV). If you join, you'll help find better ways to protect both mother and baby from HIV.
GaboroneAges Any age - NCT07505875Recruiting
Study to create transgender-friendly services for chemsex support
This study aims to develop healthcare services tailored to transgender people regarding chemsex (using drugs during sex). Researchers will interview participants to understand their needs and experiences.
Pathum Wan, BangkokAges 18 years+ - NCT07509853Recruiting
Pleasure-Focused Harm Reduction for Chemsex and Substance Use
This study explores how adding conversation about sexual pleasure to harm reduction services can help men who have sex with men and transgender persons who use drugs during sex or use other substances. If you join, you may learn new ways to reduce risks while still enjoying your sex life.
Pathum Wan, BangkokAges 18 years+ - NCT07512856Recruiting
Support Service for Transgender People Using Substances
This study tests a new support program designed specifically for transgender people who use drugs or engage in chemsex (using drugs during sexual activity). The program aims to reduce health risks and provide safer, more culturally respectful care.
Pathum Wan, BangkokAges 18 years+ - NCT07512869Recruiting
Harm Reduction Support for Men Who Have Sex With Men in Bangkok
This study explores ways to support men who have sex with men (MSM) in Bangkok who use drugs during sexual activities, called 'chemsex.' Researchers want to understand how community leaders, healthcare workers, and police can work together to keep people safer and healthier.
Pathum Wan, BangkokAges 18 years+ - NCT06743204Recruiting
Testing for sexually transmitted infections in women at risk for HIV
This study tests if combining sexually transmitted infection (STI) testing with HIV prevention medication (PrEP) helps control the HIV epidemic. It is for sexually active women aged 15-39 who live in Rakai and recently participated in a community health survey.
KalisizoAges 15–39
Hear when a new Sexually Transmitted Infections (STIs) trial opens
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Common questions
- Are there clinical trials for sexually transmitted infections (stis)?
- Yes. Clin2 currently lists 8 recruiting sexually transmitted infections (stis) studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a sexually transmitted infections (stis) trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a sexually transmitted infections (stis) trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.