Sexually transmitted disease

This phase 3 trial compares a single intravenous dose of temocillin to the standard ceftriaxone shot for treating gonorrhea. The goal is to see if temocillin works just as well while having less impact on the gut's healthy bacteria, which can help prevent the rise of drug-resista…

This study tests whether a combined approach—offering HIV PrEP (pills or injections) and STI prevention (doxycycline after sex) along with smartphone tools—helps young men at high risk stay protected. About 400 men aged 18-29 who have sex with men will be followed for a year to s…

This study tests a new care model for veterans with opioid use disorder that combines infectious disease screening and treatment with their usual medication-assisted therapy in a single appointment. The goal is to make it easier for veterans to get tested and treated for infectio…

Researchers are testing whether sex work managers, called queen mothers, can hand out and collect HIV self-tests and self-collected STI test kits at places where female sex workers meet and work in Lusaka. The study compares this peer-supported approach with the current standard …

This study will test whether a fast, point-of-care test for chlamydia and gonorrhea can reduce the time it takes for people to start antibiotics. Four hundred asymptomatic adults visiting a sexual health clinic will be randomly assigned to receive either the rapid test or a stand…

This study will test a rapid fingerstick test for HIV and syphilis in pregnant women who come to the emergency department without prior prenatal care. Researchers want to see if offering this test leads to more women being diagnosed and starting treatment right away. The goal is …

This pilot study tests whether training popular opinion leaders in rural South Africa can increase uptake of HIV prevention tools. Researchers will select and train young adults to share sexual health information and distribute HIV self-tests to their peers. The study will assess…

This trial tests whether giving students accurate information about their peers' actual behavior can reduce heavy drinking and risky sexual activity. About 1,350 adolescents in three Ugandan schools will complete surveys and receive personalized feedback comparing their own estim…

This study tests a mobile health program called PrEP Choice to help young people ages 13-24 start and stick with HIV prevention pills or shots. It also looks at whether taking the antibiotic doxycycline after sex (DoxyPEP) can prevent other sexually transmitted infections. About …

This study tests a 5-month text-messaging program called #TranscendentHealth, created specifically for transgender boys and gender-diverse youth assigned female at birth, ages 14 to 18. The program aims to improve condom use, birth control use, and HIV/STI testing by addressing t…

This study tests whether making HIV and STI testing and PrEP navigation a routine, opt-out part of primary care increases their use. About 700 adults aged 18-45 at health centers in Mississippi will take part. Researchers will compare a standard-care period to an integrated-care …

This study tests a tablet-based tool called PrEPwise, delivered by community health workers, to help Black women in eastern Virginia learn about and decide whether to start PrEP (a daily pill that prevents HIV). The trial will enroll 108 Black women who are eligible for PrEP and …

This study will test whether offering HIV prevention medication, routine STI testing, and a preventive antibiotic at retail pharmacies helps young women avoid infections. About 720 women aged 15 to 24 who visit pharmacies for birth control will take part. Researchers will check h…

This study looks at whether a one-on-one coaching method called academic detailing can help pediatricians feel more comfortable prescribing PrEP, a daily pill that prevents HIV. Fifty doctors will take part in brief, interactive sessions with a trained educator. The goal is to se…

This study is testing a program called "It's Your Game: Keep It Real" in Spanish schools. The goal is to help teens aged 11-14 learn about healthy relationships, set personal boundaries, and avoid risky sexual behaviors. About 1200 students will take part in the program or a cont…

This study is testing a new program to help men living with HIV in Uganda feel more comfortable telling their sexual partners about their HIV status. The program includes education, counseling, and practice conversations. Researchers want to see if it helps more men share their s…

This study looks at how two types of birth control devices—copper IUDs and hormonal IUDs—affect the bacteria in the vagina and the risk of infections. About 120 HIV-negative women aged 18-40 will be randomly assigned to one device and followed for a year. Researchers will collect…

This study looks at how satisfied young people and those with low incomes are with free HIV and STI testing and counselling in Lucerne and Zurich. Around 1,800 participants will fill out a questionnaire after their visit. The goal is to see if these free services meet people's ne…

This study tests whether digital messages created by sex trafficking survivors can encourage more HIV, STI, and hepatitis C testing, as well as use of overdose prevention kits. About 368 survivors in New York City will be randomly assigned to see either survivor-made messages or …