Thank you for learning about IMPOWER 22. If you are interested in taking part in our trial, please see the study locations below and contact the one closest to you.

The countries participating in the IMPOWER 22 trial

Learn more about IMPOWER 22

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“Choice has become even more important to individuals and to communities in our COVID-19 world. IMPOWER promises the hope for choice for HIV prevention, and hope is something we all need now.”

—Elizabeth Bukusi, Sr. Principal Clinical Research Scientist and PI, Kenya Medical Research Institute and Research Professor, Depts. of Global Health and Obstetrics and Gynecology, U. of Washington

This trial is powered by the following partners and sponsors:

Partnering Teams


“Sub-Sahara Africa is in a better place with options for HIV prevention, thanks to research and communities working together.”

—Ntando Yola, University of Cape Town Clinical Trials Unity and Desmond Tutu HIV Centre