4017 studies found for:    Lung Diseases, Obstructive
4017 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 4017  
Africa   [map]   137  
Central America   [map]   55  
East Asia   [map]   359  
Japan 99   [studies]
Europe   [map]   1666  
Middle East   [map]   186  
North America 1639  
Canada   [map]   392   [studies]
Mexico 85   [studies]
United States   [map]   1396   [studies]
North Asia   [map]   214  
Pacifica   [map]   149  
South America   [map]   244  
South Asia   [map]   64  
Southeast Asia   [map]   103  

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.