5119 studies found for:    Open Studies | "Immune System"
5119 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 5119  
Africa   [map]   121  
Central America   [map]   77  
East Asia   [map]   611  
Japan 104   [studies]
Europe   [map]   1644  
Middle East   [map]   232  
North America 2516  
Canada   [map]   348   [studies]
Mexico 76   [studies]
United States   [map]   2329   [studies]
North Asia   [map]   129  
Pacifica   [map]   140  
South America   [map]   146  
South Asia   [map]   41  
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.