4355 studies found for:    "Lung Diseases, Obstructive"
4355 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 4355  
Africa   [map]   141  
Central America   [map]   69  
East Asia   [map]   358  
Japan 110   [studies]
Europe   [map]   1757  
Middle East   [map]   188  
North America 1795  
Canada   [map]   412   [studies]
Mexico 93   [studies]
United States   [map]   1530   [studies]
North Asia   [map]   199  
Pacifica   [map]   161  
South America   [map]   248  
South Asia   [map]   64  
Southeast Asia   [map]   118  
Hints:

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.