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123513 Studies found for: during AND during

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
Source:https://ClinicalTrials.gov
Region Name Number of Studies
World 123,513
Africa [map] 4,178
Central America [map] 1,186
East Asia [map] 12,803
Japan 2,043 [studies]
Europe [map] 42,439
Middle East [map] 6,381
North America 49,038
Canada [map] 8,369 [studies]
Mexico 1,588 [studies]
United States [map] 43,350 [studies]
North Asia [map] 2,698
Pacifica [map] 2,980
South America [map] 4,658
South Asia [map] 1,836
Southeast Asia [map] 2,567
Hints:

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.