4540 studies found for:    Open Studies | "Immune System"
4540 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 4540  
Africa   [map]   100  
Central America   [map]   69  
East Asia   [map]   549  
Japan 98   [studies]
Europe   [map]   1498  
Middle East   [map]   239  
North America 2361  
Canada   [map]   365   [studies]
Mexico 80   [studies]
United States   [map]   2188   [studies]
North Asia   [map]   123  
Pacifica   [map]   160  
South America   [map]   151  
South Asia   [map]   37  
Southeast Asia   [map]   100  

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.