4505 studies found for:    Open Studies | "Immune System"
4505 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 4505  
Africa   [map]   93  
Central America   [map]   72  
East Asia   [map]   539  
Japan 97   [studies]
Europe   [map]   1484  
Middle East   [map]   239  
North America 2355  
Canada   [map]   351   [studies]
Mexico 79   [studies]
United States   [map]   2185   [studies]
North Asia   [map]   120  
Pacifica   [map]   154  
South America   [map]   145  
South Asia   [map]   39  
Southeast Asia   [map]   103  

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.