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Map of All Studies on ClinicalTrials.gov

On the map below, click on a region to show a more detailed map (when available) or see a list of studies with locations in that region (when a detailed map is not available).
Map Legend
Source:https://ClinicalTrials.gov
Region Name Number of Studies
World 376,846
North America 157,907
United States 141,966
Alabama 9,947
Alaska 762
Arizona 12,137
Arkansas 5,368
California 37,298
Colorado 12,359
Connecticut 8,820
Delaware 2,069
District of Columbia 5,767
Florida 25,041
Georgia 14,481
Hawaii 2,014
Idaho 2,932
Illinois 18,650
Indiana 10,323
Iowa 5,410
Kansas 7,285
Kentucky 7,782
Louisiana 7,721
Maine 1,996
Maryland 19,081
Massachusetts 20,384
Michigan 14,946
Minnesota 12,942
Mississippi 3,290
Missouri 14,403
Montana 2,321
Nebraska 6,059
Nevada 4,916
New Hampshire 2,655
New Jersey 11,787
New Mexico 3,611
New York 29,822
North Carolina 19,793
North Dakota 2,062
Ohio 21,266
Oklahoma 6,665
Oregon 8,933
Pennsylvania 23,197
Rhode Island 3,977
South Carolina 9,726
South Dakota 2,206
Tennessee 14,157
Texas 30,185
Utah 7,865
Vermont 2,043
Virginia 11,734
Washington 13,107
West Virginia 2,269
Wisconsin 8,313
Wyoming 516
Tips:

Click on a region name link to show a map of that region

Click on a study count link to see a list of studies in that region. Use your browser's back button to return to this list and view studies in another region.

Studies with no locations are not included in the study counts or on the maps.

Studies with multiple locations are included in each region where the study has locations.