Tenofovir gel provides high level of protection against HIV in rectal tissue, study suggests

A gel developed to protect against HIV during vaginal sex produced a strong antiviral effect when used in the rectum, according to an early-phase study. The results, based on rectal tissue biopsies sampled from HIV-negative men and women who used the product daily for one week, provide the first-ever evidence that tenofovir gel could help reduce the risk of HIV from anal sex, even though the vaginal gel formulation may not be optimal for rectal use.

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