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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 397,275
North America 164,617
United States 147,968
Alabama 10,275
Alaska 795
Arizona 12,626
Arkansas 5,555
California 38,832
Colorado 12,832
Connecticut 9,131
Delaware 2,116
District of Columbia 5,959
Florida 26,082
Georgia 14,990
Hawaii 2,082
Idaho 3,032
Illinois 19,332
Indiana 10,628
Iowa 5,588
Kansas 7,550
Kentucky 8,058
Louisiana 7,975
Maine 2,043
Maryland 19,687
Massachusetts 21,115
Michigan 15,467
Minnesota 13,439
Mississippi 3,411
Missouri 14,895
Montana 2,387
Nebraska 6,285
Nevada 5,087
New Hampshire 2,733
New Jersey 12,217
New Mexico 3,715
New York 30,975
North Carolina 20,531
North Dakota 2,120
Ohio 22,026
Oklahoma 6,909
Oregon 9,205
Pennsylvania 24,049
Rhode Island 4,113
South Carolina 10,033
South Dakota 2,272
Tennessee 14,686
Texas 31,561
Utah 8,164
Vermont 2,090
Virginia 12,185
Washington 13,545
West Virginia 2,345
Wisconsin 8,584
Wyoming 525
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.