4595 studies found for:    "Lung Diseases, Obstructive"
4595 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
Source:https://ClinicalTrials.gov
Region Name   Number of Studies
World 4595  
Africa   [map]   162  
Central America   [map]   70  
East Asia   [map]   413  
Japan 127   [studies]
Europe   [map]   1892  
Middle East   [map]   192  
North America 1846  
Canada   [map]   449   [studies]
Mexico 111   [studies]
United States   [map]   1561   [studies]
North Asia   [map]   245  
Pacifica   [map]   168  
South America   [map]   289  
South Asia   [map]   69  
Southeast Asia   [map]   127  
Hints:

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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.