We updated the design of this site on September 25th. Learn more.
Show more
ClinicalTrials.gov Menu
Search (all fields optional) Open or close the search fields display
Study Location:
A location is defined by clicking on the Map below
1967 Studies found for:
A similar map is available for all studies in ClinicalTrials.gov
Click on the map below to show a more detailed map (when available) or search for studies (when map not available).
Map Legend
Region Name   Number of Studies
World 1,967  
Africa   [map]   257  
Central America   [map]   25  
East Asia   [map]   256  
Japan 19   [studies]
Europe   [map]   578  
Middle East   [map]   148  
North America 608  
Canada   [map]   118   [studies]
Mexico 14   [studies]
United States   [map]   527   [studies]
North Asia   [map]   54  
Pacifica   [map]   32  
South America   [map]   52  
South Asia   [map]   41  
Southeast Asia   [map]   60  

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.