5042 studies found for:    Open Studies | "Immune System"
5042 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 5042  
Africa   [map]   152  
Central America   [map]   90  
East Asia   [map]   498  
Japan 110   [studies]
Europe   [map]   1604  
Middle East   [map]   251  
North America 2742  
Canada   [map]   372   [studies]
Mexico 90   [studies]
United States   [map]   2547   [studies]
North Asia   [map]   136  
Pacifica   [map]   171  
South America   [map]   178  
South Asia   [map]   57  
Southeast Asia   [map]   137  

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.