2508 studies found for:    Pulmonary Disease, Chronic Obstructive
2508 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 2508  
Africa   [map]   89  
Central America   [map]   30  
East Asia   [map]   244  
Japan 58   [studies]
Europe   [map]   1187  
Middle East   [map]   115  
North America 867  
Canada   [map]   241   [studies]
Mexico 41   [studies]
United States   [map]   723   [studies]
North Asia   [map]   129  
Pacifica   [map]   102  
South America   [map]   158  
South Asia   [map]   42  
Southeast Asia   [map]   59  

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.