We are updating the design of this site. Learn more.
Show more
ClinicalTrials.gov Menu
Search (all fields optional) Open or close the search fields display
Study Location:
A location is defined by clicking on the Map below
All 261561 Studies found for:
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]   261,561  
North America 118,829  
United States 107,265   [studies]
Alabama 7,955   [studies]
Alaska 565   [studies]
Arizona 9,271   [studies]
Arkansas 4,301   [studies]
California 28,524   [studies]
Colorado 9,566   [studies]
Connecticut 6,895   [studies]
Delaware 1,676   [studies]
District of Columbia 4,682   [studies]
Florida 19,052   [studies]
Georgia 11,300   [studies]
Hawaii 1,674   [studies]
Idaho 2,231   [studies]
Illinois 14,741   [studies]
Indiana 8,342   [studies]
Iowa 4,248   [studies]
Kansas 5,653   [studies]
Kentucky 6,088   [studies]
Louisiana 6,127   [studies]
Maine 1,635   [studies]
Maryland 15,666   [studies]
Massachusetts 15,824   [studies]
Michigan 11,686   [studies]
Minnesota 10,060   [studies]
Mississippi 2,653   [studies]
Missouri 11,241   [studies]
Montana 1,925   [studies]
Nebraska 4,844   [studies]
Nevada 3,778   [studies]
New Hampshire 2,122   [studies]
New Jersey 9,297   [studies]
New Mexico 2,945   [studies]
New York 23,284   [studies]
North Carolina 15,477   [studies]
North Dakota 1,764   [studies]
Ohio 16,626   [studies]
Oklahoma 5,292   [studies]
Oregon 7,052   [studies]
Pennsylvania 18,221   [studies]
Rhode Island 3,263   [studies]
South Carolina 7,745   [studies]
South Dakota 1,687   [studies]
Tennessee 11,082   [studies]
Texas 23,088   [studies]
Utah 6,060   [studies]
Vermont 1,724   [studies]
Virginia 9,113   [studies]
Washington 10,386   [studies]
West Virginia 1,782   [studies]
Wisconsin 6,587   [studies]
Wyoming 400   [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.