4140 studies found for:    Lung Diseases, Obstructive
4140 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 4140  
Africa   [map]   141  
Central America   [map]   58  
East Asia   [map]   377  
Japan 103   [studies]
Europe   [map]   1718  
Middle East   [map]   193  
North America 1679  
Canada   [map]   405   [studies]
Mexico 88   [studies]
United States   [map]   1430   [studies]
North Asia   [map]   219  
Pacifica   [map]   152  
South America   [map]   256  
South Asia   [map]   65  
Southeast Asia   [map]   106  

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.