Clinical Trials at NIAID

NIAID conducts many clinical trials at the NIH Clinical Center, America’s research hospital, which is located on the main campus in Bethesda, Maryland. Read more about the NIH Clinical Center and its mission.

Search for a Clinical Trial

Healthy Volunteers: Healthy volunteers are people with no known significant health problems. See a list of all trials that are seeking healthy volunteers.

More Trials: Not all NIAID clinical trials are listed here. You may find more trials at

NIAID conducts and supports basic and applied research to better understand, treat, and ultimately prevent infectious, immunologic, and allergic diseases. For more than 60 years, NIAID research has led to new therapies, vaccines, diagnostic tests, and other technologies that have improved the health of millions of people in the United States and around the world.

NIAID Clinics

HIV and Emerging Infectious Diseases

Information about NIAID-supported research on HIV and emerging infectious diseases including featured clinical trials.

Laboratory of Infectious Diseases

Background information about the NIAID Laboratory of Infectious Diseases (LID) including featured trials.

NIAID Primary Immune Deficiency Clinic

The NIAID Primary Immune Deficiency (PID) Clinic is dedicated to researching the 200+ forms of primary immune deficiency diseases.

Vaccine Research Center Clinical Studies

An overview of featured clinical studies at the NIAID Vaccine Research Center and information for potential volunteers.

What is it Like to Participate?

Photo of  Peter Hubbard

Based on my personal experiences, I encourage people to look into the clinical trials at the VRC. You really cannot ask for nicer or more dedicated and knowledgeable staff than those at the VRC, and they appreciate all of their volunteers. Give it a shot and be a part of something truly important!

– Peter Hubbard

Information For Researchers

Access Clinical Trials Data

NIAID Clinical Trials Data Repository, AccessClinicalData@NIAID, is an NIAID cloud-based, secure data platform that enables sharing of and access to anonymized individual, patient level clinical data sets from NIAID sponsored clinical trials to harness the power of data to generate new knowledge to understand, treat, and prevent infectious diseases such as COVID-19.

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