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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 369,133
North America 155,397
United States 139,750
Alabama 9,815
Alaska 752
Arizona 11,954
Arkansas 5,308
California 36,739
Colorado 12,178
Connecticut 8,696
Delaware 2,051
District of Columbia 5,698
Florida 24,622
Georgia 14,292
Hawaii 1,992
Idaho 2,894
Illinois 18,419
Indiana 10,220
Iowa 5,339
Kansas 7,176
Kentucky 7,659
Louisiana 7,613
Maine 1,979
Maryland 18,861
Massachusetts 20,081
Michigan 14,751
Minnesota 12,764
Mississippi 3,258
Missouri 14,223
Montana 2,300
Nebraska 5,988
Nevada 4,858
New Hampshire 2,631
New Jersey 11,620
New Mexico 3,579
New York 29,392
North Carolina 19,556
North Dakota 2,040
Ohio 20,995
Oklahoma 6,602
Oregon 8,807
Pennsylvania 22,909
Rhode Island 3,936
South Carolina 9,604
South Dakota 2,172
Tennessee 13,986
Texas 29,752
Utah 7,758
Vermont 2,030
Virginia 11,553
Washington 12,944
West Virginia 2,232
Wisconsin 8,221
Wyoming 511
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.