5083 studies found for:    Open Studies | "Immune System"
5083 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 5083  
Africa   [map]   148  
Central America   [map]   83  
East Asia   [map]   493  
Japan 101   [studies]
Europe   [map]   1615  
Middle East   [map]   249  
North America 2739  
Canada   [map]   362   [studies]
Mexico 82   [studies]
United States   [map]   2541   [studies]
North Asia   [map]   128  
Pacifica   [map]   161  
South America   [map]   175  
South Asia   [map]   54  
Southeast Asia   [map]   131  

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.