4529 studies found for:    Open Studies | "Immune System"
4529 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 4529  
Africa   [map]   96  
Central America   [map]   69  
East Asia   [map]   553  
Japan 104   [studies]
Europe   [map]   1488  
Middle East   [map]   240  
North America 2359  
Canada   [map]   359   [studies]
Mexico 76   [studies]
United States   [map]   2188   [studies]
North Asia   [map]   117  
Pacifica   [map]   157  
South America   [map]   147  
South Asia   [map]   40  
Southeast Asia   [map]   102  

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.