New ring could protect against HIV for 3 months

NCT ID NCT03670355

First seen Nov 16, 2025 · Last updated May 16, 2026 · Updated 19 times

Summary

This early-stage study tested a vaginal ring that slowly releases the HIV drug tenofovir over 90 days. The goal was to see if the ring is safe and delivers enough drug to prevent HIV. 49 healthy women took part, and researchers measured drug levels in blood, vaginal fluid, and tissue.

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Contacts and locations

Locations

  • Alabama CRS

    Birmingham, Alabama, 35294, United States

  • Bridge HIV CRS

    San Francisco, California, 94143, United States

  • University of Pittsburgh CRS

    Pittsburgh, Pennsylvania, 15213, United States

Conditions

Explore the condition pages connected to this study.