The ADAPT Study recruited men who have sex with men (MSM) and transgender women and was designed to identify oral pre-exposure prophylaxis (PrEP) pill-taking schedules that participants are more likely to follow and determine if these schedules influence healthier sexual practices. (funded by NIH) Report Links: Mannheimer, et. al. 2019. Factors associated with sex-related pre-exposure prophylaxis adherence among men who have sex with men (MSM) in New York City in HPTN 067. JAIDS. Franks, et. al. Sex, PrEP, and Stigma: Experiences with HIV Pre-exposure Prophylaxis Among New York City MSM Participating in the HPTN 067/ADAPT Study. AIDS and Behavior. Web Links: https://clinicaltrials.gov/ct2/show/NCT01327651