Oswaldo Cruz Foundation

This study tests a long-acting injection given every 6 months to prevent HIV, compared to daily pills, in 1500 young men who have sex with men, transgender, and non-binary people in Brazil. Participants choose their preferred method and are followed for 2 years to see how well th…

This study aims to make HIV prevention easier for people in underserved communities in Rio de Janeiro, such as gay and bisexual men, transgender women, and sex workers. Instead of requiring visits to traditional clinics, the study offers HIV prevention pills (PrEP) directly in co…

This study tests whether taking the antibiotic doxycycline shortly after sex (called doxy-PEP) can prevent bacterial STIs like syphilis, gonorrhea, and chlamydia. It involves 200 sexual and gender minorities in Rio de Janeiro who are living with HIV or taking PrEP. Participants c…