4620 studies found for:    Open Studies | "Immune System"
4620 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 4620  
Africa   [map]   88  
Central America   [map]   69  
East Asia   [map]   550  
Japan 97   [studies]
Europe   [map]   1495  
Middle East   [map]   233  
North America 2383  
Canada   [map]   351   [studies]
Mexico 84   [studies]
United States   [map]   2205   [studies]
North Asia   [map]   120  
Pacifica   [map]   141  
South America   [map]   141  
South Asia   [map]   36  
Southeast Asia   [map]   92  

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.