4139 studies found for:    Lung Diseases, Obstructive
4139 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 4139  
Africa   [map]   145  
Central America   [map]   67  
East Asia   [map]   361  
Japan 106   [studies]
Europe   [map]   1674  
Middle East   [map]   183  
North America 1703  
Canada   [map]   394   [studies]
Mexico 90   [studies]
United States   [map]   1458   [studies]
North Asia   [map]   205  
Pacifica   [map]   150  
South America   [map]   247  
South Asia   [map]   68  
Southeast Asia   [map]   112  

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.