4394 studies found for:    "Lung Diseases, Obstructive"
4394 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 4394  
Africa   [map]   143  
Central America   [map]   71  
East Asia   [map]   362  
Japan 111   [studies]
Europe   [map]   1780  
Middle East   [map]   189  
North America 1808  
Canada   [map]   412   [studies]
Mexico 94   [studies]
United States   [map]   1542   [studies]
North Asia   [map]   205  
Pacifica   [map]   165  
South America   [map]   249  
South Asia   [map]   66  
Southeast Asia   [map]   121  

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.