23252 studies found for:    "Immunologic Factors"
23252 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 23252  
Africa   [map]   620  
Central America   [map]   497  
East Asia   [map]   2631  
Japan 635   [studies]
Europe   [map]   6683  
Middle East   [map]   875  
North America 12639  
Canada   [map]   1877   [studies]
Mexico 451   [studies]
United States   [map]   11958   [studies]
North Asia   [map]   710  
Pacifica   [map]   1079  
South America   [map]   899  
South Asia   [map]   397  
Southeast Asia   [map]   613  

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.