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ClinicalTrials.gov Menu 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...
ClinicalTrials.gov Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more...
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ClinicalTrials.gov is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.

ClinicalTrials.gov is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.
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The database currently lists 254,052 studies with locations in all 50 States and in 200 countries.

Recruiting Study Locations

Legend for Recruiting Study location pie chart image
Pie Chart Pie Color Location
Recruiting Study Location Count Pie Chart
color Non-U.S. only (57%)
color U.S. only (38%)
color Both U.S. and non-U.S. (5%)
44,320 recruiting studies (September 07, 2017)

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