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This site became the new ClinicalTrials.gov on June 19th.
We will be updating this site in phases. This allows us to move faster and to deliver better services.
: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study.
: Talk with a trusted healthcare professional before volunteering for a study.
A service of the U.S. National Institutes of Health
A research study using human subjects to evaluate biomedical or health-related outcomes. Two types of clinical studies are
(or clinical trials) and