Gonorrhea

This study tested an experimental gonorrhea vaccine in healthy adults aged 18 to 50. The goal was to see if the vaccine is safe and can prevent gonorrhea infections. Over 1,000 participants received either the vaccine or a placebo (salt water shot) and were monitored for side eff…

This trial tests whether a web-based app called Game Plan can help men who have sex with men reduce heavy drinking and sexually transmitted infections. Participants receive home HIV/STI self-testing kits and are randomly assigned to either a 24-hour helpline alone or the helpline…

This study tested whether a vaccine already approved for meningitis B (Bexsero) can also protect against gonorrhea infection. Healthy men aged 18–35 received either the meningitis vaccine or a placebo, then were exposed to the gonorrhea bacteria in a controlled setting. The goal …

This phase 3 trial tested a new antibiotic called zoliflodacin, taken as a single oral dose, against the standard treatment of an injection plus pills for uncomplicated gonorrhea. Over 1,000 participants were enrolled to see if the new pill works as well and is safe. If successfu…

This study compares a new rapid point-of-care test for chlamydia, gonorrhea, and mycoplasma genitalium to standard lab testing. The goal is to see if the faster test helps doctors give the right antibiotics on the same day, reducing unnecessary or missed treatments. Participants …

This study looked at better ways to screen teenagers (ages 15-21) for chlamydia and gonorrhea when they visit emergency departments. Researchers compared offering STI tests to everyone versus only to those with certain risk factors. The goal was to find the most effective and cos…

This study tested a strategy of using rapid, point-of-care diagnostic tests for sexually transmitted infections (STIs) in pregnant women attending antenatal clinics in Zimbabwe. Over 1,000 women were offered testing for chlamydia, gonorrhea, trichomoniasis, syphilis, and hepatiti…

This study tests whether the meningitis vaccine Bexsero can also prevent gonorrhea, a common sexually transmitted infection. About 2,600 adults aged 18-50 who are at higher risk for gonorrhea will receive either the vaccine or a placebo. Researchers will track how many get infect…

This study compares different ways of screening pregnant women for three common sexually transmitted infections (chlamydia, gonorrhea, and trichomonas) to see if treating these infections can reduce the risk of preterm birth and low birth weight. Over 2,200 pregnant women in Sout…

This study tested whether using an antibacterial mouthwash every day could lower the chance of getting gonorrhea in the throat. Researchers recruited 89 HIV-positive and HIV-negative men at high risk. Participants gargled with either Listerine or a placebo mouthwash daily. The st…

This study tested two strategies to prevent sexually transmitted infections (STIs) in men who have sex with men and already take HIV PrEP. One group took doxycycline pills after unprotected sex, and another group received a meningitis vaccine (Bexsero). The goal was to see if the…

This study tested a pop-up clinic inside a van for women who inject drugs and exchange sex in north Seattle. The goal was to see if offering HIV prevention pills, addiction medications, and quick STI testing in a convenient location would help more women start and stay on these t…

This study tested a mobile program called Comunică to help Romanian gay and bisexual men reduce HIV risk and heavy drinking. 300 participants used their phones or laptops to complete surveys and eight one-hour sessions with a counselor or by reading health information. The progra…

This completed study looked at 59 men who have sex with men and use methamphetamine. Researchers used a program that gives rewards for drug-free urine samples to help them cut back. They measured inflammation in the rectum and tracked STI/HIV risk behaviors over 8 weeks. The goal…

This study tested whether a pay-it-forward approach—where one person's donation covers testing for the next person—could increase gonorrhea and chlamydia testing among men in China. Over 1,200 men who had sex in the past year but hadn't been tested recently took part. The goal wa…

This study followed 603 pregnant women in South Africa to see if infections or bacteria in the vagina are linked to how early they give birth. Researchers tested for sexually transmitted infections, yeast, and other germs at the start of pregnancy and again at 30-34 weeks. The go…