4424 studies found for:    Open Studies | "Immune System"
4424 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 4424  
Africa   [map]   86  
Central America   [map]   65  
East Asia   [map]   511  
Japan 98   [studies]
Europe   [map]   1446  
Middle East   [map]   235  
North America 2343  
Canada   [map]   331   [studies]
Mexico 72   [studies]
United States   [map]   2179   [studies]
North Asia   [map]   113  
Pacifica   [map]   150  
South America   [map]   134  
South Asia   [map]   37  
Southeast Asia   [map]   99  

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.