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A Phase I study launched in late 2019 that was designed to evaluate the safety and acceptability of a fast-dissolving rectal insert containing the antiretroviral (ARV) drugs tenofovir and elvitegravir, as well as the degree that each drug concentrates in rectal tissue. The study, the first ever of the tenofovir and elvitegravir insert used rectally, seeks to enroll 20 cisgender and transgender men and women at two sites in the U.S.


MTN-039 Backgrounder