U.S. Food and Drug Administration

Protecting and Promoting Your Health


National Institutes of Health

Turning Discovery into Health

Clinical Trials

A service of the U.S. National Institutes of Health ClinicalTrials.gov is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.


Center Watch

Helping People Connect to Clinical Trials
The leading trusted source for global clinical trial information.

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Drug Information Association

The Global Forum for Therapeutic Innovation & Regulatory Science