321 studies found for:    autism spectrum disorders OR autism OR pervasive developmental disorders OR PDD OR Kanner's syndrome OR child mental disorders OR asperger syndrome OR autistic OR developmental disabilities | Open Studies | Exclude Unknown | NIH
321 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 321  
Africa   [map]   9  
Central America   [map]   8  
East Asia   [map]   6  
Japan 2   [studies]
Europe   [map]   7  
Middle East   [map]   4  
North America 304  
Canada   [map]   21   [studies]
United States   [map]   301   [studies]
Pacifica   [map]   6  
South America   [map]   4  
South Asia   [map]   4  
Hints:

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.