2858 studies found for:    Pulmonary Disease, Chronic Obstructive
2858 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 2858  
Africa   [map]   93  
Central America   [map]   32  
East Asia   [map]   267  
Japan 61   [studies]
Europe   [map]   1339  
Middle East   [map]   120  
North America 979  
Canada   [map]   263   [studies]
Mexico 43   [studies]
United States   [map]   815   [studies]
North Asia   [map]   132  
Pacifica   [map]   104  
South America   [map]   174  
South Asia   [map]   43  
Southeast Asia   [map]   64  

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.