45140 studies found for:    (NOT NOTEXT) [CITATIONS]
45140 studies found, shown on map.
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 45140  
Africa   [map]   1503  
Central America   [map]   736  
East Asia   [map]   3360  
Japan 605   [studies]
Europe   [map]   13093  
Middle East   [map]   1759  
North America 23672  
Canada   [map]   3698   [studies]
Mexico 728   [studies]
United States   [map]   21525   [studies]
North Asia   [map]   862  
Pacifica   [map]   1382  
South America   [map]   1888  
South Asia   [map]   890  
Southeast Asia   [map]   1043  
Hints:

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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.