This site became the new ClinicalTrials.gov on June 19th. Learn more.
We will be updating this site in phases. This allows us to move faster and to deliver better services.
IMPORTANT: 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. Read more...
IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more...
A service of the U.S. National Institutes of Health
A researcher involved in a clinical study. Related terms include
Site Principal Investigator,
Study Director, and
Study Principal Investigator.
(See also Investigators data element on ClinicalTrials.gov.)