Working…
ClinicalTrials.gov
ClinicalTrials.gov Menu
Open or close the search fields display
2418 Studies found for: "vitamin d"

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 2,418
Africa [map] 113
Central America [map] 18
East Asia [map] 151
Japan 15 [studies]
Europe [map] 635
Middle East [map] 182
North America 950
Canada [map] 125 [studies]
Mexico 34 [studies]
United States [map] 824 [studies]
North Asia [map] 22
Pacifica [map] 24
South America [map] 49
South Asia [map] 75
Southeast Asia [map] 57
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.