ATN HIV - The Adolescent Medicine Trials Network for HIV Interventions

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DEMO Adolescents, communities and researchers working together to increase and enrich the health and well-being of youth and young adults.

Our Mission

ATN's primary mission is to conduct innovative and collaborative research that explores promising behavioral, microbicidal, prophylactic, therapeutic, and vaccine modalities across the HIV prevention and care continuum among adolescents and young adults ages 13 through 24.

Tools & Resources

From infographics to resource guides, the ATN is committed to getting important information out to our stakeholders. Check out the latest products to learn more about research and HIV science!

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Upcoming Events

May 20–21, 2026 – The LAAI Workshop returns to explore the latest clinical, behavioral, and implementation insights in long-acting antivirals and anti-infectives.

Landmark Trial in South Africa and Uganda Finds Twice Yearly HIV Prevention Injection Safe and Highly Effective

The Gilead Sciences PURPOSE 1 HIV prevention study, which enrolled over 5,300 cisgender adolescent girls and young women ages 16-26 in South Africa and Uganda reported results that a twice-yearly injection of lenacapavir, one of the HIV prevention drugs being studied in the trial, is safe and highly effective with no HIV seen among trial participants who received injectable lenacapavir.

Mobile Health Tools & HIV Prevention Summary of Primary Outcomes for Four iTech Studies

With the rise of access to mobile technologies, ATN researchers were interested in developing tailored mobile health (mHealth) tools to support how adolescents and young adults navigate HIV prevention & care.

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What We Do

The ATN aims to defeat the HIV epidemic among adolescents and young adults in the United States by designing and conducting research. The ultimate goals of the ATN research include generating evidence and recommendations to advance the field of adolescent HIV medicine; influence clinical practice and protocols; reduce inequities in HIV-related outcomes; and inform community scale-up of sustainable, impactful biobehavioral interventions that reduce HIV transmission and improve individual outcomes for youth living with HIV.

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Who We Are

ATN is the only multicenter research network in the United States, comprised of 40+ universities, healthcare providers, and community organizations that is devoted to the health and well-being of adolescents and young adults with the possibility of acquiring HIV.

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Get Involved

By participating in ongoing research for simpler and more accessible treatment options, we can make a difference in reducing the spread of HIV and improving the health outcomes for young people who could benefit from HIV prevention or treatment options.

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Our Community

Community engagement is a vital part of the ATN. With over 1 million new cases in 2020, it’s crucial that we support initiatives to improve treatment and prevention strategies for adolescents and young adults.