We're building a better ClinicalTrials.gov. Check it out and tell us what you think!
ClinicalTrials.gov Menu
Open or close the search fields display
All 440593 Studies found for: ALL

Click on the map below to show a more detailed map (when available) or search for studies (when map not available).

Map Legend
Region Name Number of Studies
World [map] 440,593
North America 177,641
United States 159,504 [studies]
Alabama 10,900 [studies]
Alaska 839 [studies]
Arizona 13,525 [studies]
Arkansas 5,932 [studies]
California 41,824 [studies]
Colorado 13,707 [studies]
Connecticut 9,628 [studies]
Delaware 2,234 [studies]
District of Columbia 6,319 [studies]
Florida 28,202 [studies]
Georgia 15,980 [studies]
Hawaii 2,177 [studies]
Idaho 3,213 [studies]
Illinois 20,529 [studies]
Indiana 11,243 [studies]
Iowa 5,963 [studies]
Kansas 8,018 [studies]
Kentucky 8,557 [studies]
Louisiana 8,486 [studies]
Maine 2,124 [studies]
Maryland 20,739 [studies]
Massachusetts 22,563 [studies]
Michigan 16,467 [studies]
Minnesota 14,385 [studies]
Mississippi 3,610 [studies]
Missouri 15,775 [studies]
Montana 2,489 [studies]
Nebraska 6,639 [studies]
Nevada 5,390 [studies]
New Hampshire 2,884 [studies]
New Jersey 13,031 [studies]
New Mexico 3,885 [studies]
New York 33,192 [studies]
North Carolina 21,833 [studies]
North Dakota 2,207 [studies]
Ohio 23,654 [studies]
Oklahoma 7,337 [studies]
Oregon 9,711 [studies]
Pennsylvania 25,678 [studies]
Rhode Island 4,354 [studies]
South Carolina 10,673 [studies]
South Dakota 2,443 [studies]
Tennessee 15,704 [studies]
Texas 33,978 [studies]
Utah 8,788 [studies]
Vermont 2,190 [studies]
Virginia 13,068 [studies]
Washington 14,342 [studies]
West Virginia 2,473 [studies]
Wisconsin 9,175 [studies]
Wyoming 532 [studies]

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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

Studies with multiple locations are included in each region containing locations.