4994 studies found for:    Lung Diseases, Obstructive
4994 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 4994  
Africa   [map]   163  
Central America   [map]   72  
East Asia   [map]   442  
Japan 127   [studies]
Europe   [map]   2020  
Middle East   [map]   212  
North America 2001  
Canada   [map]   470   [studies]
Mexico 110   [studies]
United States   [map]   1702   [studies]
North Asia   [map]   245  
Pacifica   [map]   174  
South America   [map]   298  
South Asia   [map]   71  
Southeast Asia   [map]   124  

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.