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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 316,684
North America 138,596
United States 124,813
Alabama 8,973
Alaska 674
Arizona 10,689
Arkansas 4,841
California 32,919
Colorado 10,979
Connecticut 7,921
Delaware 1,887
District of Columbia 5,189
Florida 22,127
Georgia 12,943
Hawaii 1,849
Idaho 2,626
Illinois 16,727
Indiana 9,321
Iowa 4,871
Kansas 6,470
Kentucky 6,961
Louisiana 6,919
Maine 1,829
Maryland 17,420
Massachusetts 18,108
Michigan 13,337
Minnesota 11,547
Mississippi 2,971
Missouri 12,852
Montana 2,132
Nebraska 5,469
Nevada 4,369
New Hampshire 2,417
New Jersey 10,577
New Mexico 3,294
New York 26,631
North Carolina 17,703
North Dakota 1,919
Ohio 18,985
Oklahoma 6,024
Oregon 8,034
Pennsylvania 20,784
Rhode Island 3,634
South Carolina 8,802
South Dakota 1,959
Tennessee 12,675
Texas 26,668
Utah 6,991
Vermont 1,922
Virginia 10,441
Washington 11,815
West Virginia 2,023
Wisconsin 7,498
Wyoming 462
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.