Rti International

This study tests a program called Tu'Washindi, designed by and for young women in Kenya. It combines support clubs and community sessions to help girls ages 15-24 reduce intimate partner violence and consistently use HIV prevention pills (PrEP). About 1,562 participants will be f…

This trial tests whether a comprehensive, community-wide strategy can reduce opioid overdose deaths by 40% in 67 communities hardest hit by the crisis. The approach, called Communities That HEAL, brings together local leaders, healthcare, justice, and community groups to implemen…

This study tested two strategies to prevent HIV among young couples (ages 18-30) in Cape Town who use alcohol or drugs. One strategy was a community workshop to reduce stigma around HIV and drug use. The other was a couples program that provided HIV testing and counseling to help…

This study tested a package of services to help adolescent girls and young women in Zambia get regular HIV testing, prevention, and treatment. The program included education sessions, youth clubs, and special clinics offering integrated care. Over 2,000 girls aged 10–20 took part…

This study tested a type of talk therapy called Behavioral Activation (BA) in 10 U.S. veterans who have both alcohol use disorder and PTSD. BA helps people change their daily activities and thinking to reduce drinking and PTSD symptoms. The study compared BA to another therapy ca…

This completed study looked at a program called Vegetables for All in Kenya, which helps low-income families eat more vegetables by improving how they are sold and marketed. Over 4,200 women and their children took part in surveys. The main goal was to see if the program increase…

This study tested two programs—one focused on sexual communication and consent, the other on reducing alcohol misuse—among over 2,000 U.S. Air Force Academy cadets. Cadets received one or both programs, and researchers tracked self-reported sexual assault experiences and alcohol …