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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 377,704
North America 158,207
United States 142,240
Alabama 9,962
Alaska 763
Arizona 12,163
Arkansas 5,381
California 37,367
Colorado 12,385
Connecticut 8,833
Delaware 2,072
District of Columbia 5,773
Florida 25,089
Georgia 14,505
Hawaii 2,017
Idaho 2,937
Illinois 18,696
Indiana 10,337
Iowa 5,423
Kansas 7,306
Kentucky 7,796
Louisiana 7,735
Maine 2,000
Maryland 19,108
Massachusetts 20,438
Michigan 14,970
Minnesota 12,964
Mississippi 3,296
Missouri 14,420
Montana 2,326
Nebraska 6,071
Nevada 4,928
New Hampshire 2,658
New Jersey 11,816
New Mexico 3,618
New York 29,880
North Carolina 19,833
North Dakota 2,065
Ohio 21,305
Oklahoma 6,682
Oregon 8,943
Pennsylvania 23,245
Rhode Island 3,982
South Carolina 9,747
South Dakota 2,208
Tennessee 14,187
Texas 30,248
Utah 7,881
Vermont 2,048
Virginia 11,762
Washington 13,130
West Virginia 2,273
Wisconsin 8,324
Wyoming 519
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.