George Mason University

This study is testing a mobile app called PARCA, designed to help people on probation or parole set and track personal goals to support their success in the community and manage substance use. Researchers will survey and interview participants to see if the app improves connectio…

This study is testing a community program designed to help more Black gay and bisexual men start taking PrEP, a daily pill that prevents HIV. The program uses peer-led events to reduce stigma and build social support. Researchers will compare participants in the program to a cont…