Now Available: Final Rule for FDAAA 801 and NIH Policy on Clinical Trial Reporting

ClinicalTrials.gov currently lists 226,788 studies with locations in all 50 States and in 191 countries.

Locations of Recruiting Studies

Recruiting Study Location Count Pie Chart
Legend for Recruiting Study location pie chart image
Pie Color Location
color Non-U.S. only (56%)
color U.S. only (39%)
color Both U.S. and non-U.S. (5%)
Total N = 39,972 studies
(Data as of September 29, 2016)