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Breast Cancer clinical trials recruiting in the U.S.

670 studies for Breast Cancer are recruiting participants at sites across the United States.

Breast cancer is a cancer that starts in the breast tissue, when cells change and grow out of control. Learn about the types, diagnosis, and treatments.

Cities with the most studies

• New York City, NY144 studies
• Houston, TX126 studies
• Boston, MA110 studies
• Nashville, TN78 studies
• Los Angeles, CA73 studies
• Edison, NJ70 studies
• Queens, NY67 studies
• Durham, NC63 studies
• St. Louis, MO63 studies
• Chicago, IL59 studies
• Dallas, TX54 studies
• Philadelphia, PA51 studies
• Arlington, VA50 studies
• Greenburgh, NY45 studies
• San Antonio, TX45 studies
• Washington, DC44 studies
• Baltimore, MD44 studies
• Staten Island, NY43 studies
• Baldwin Park, CA43 studies
• Miami, FL42 studies
• Pittsburgh, PA42 studies
• Atlanta, GA42 studies
• New Rochelle, NY41 studies
• San Diego, CA41 studies
• San Francisco, CA40 studies
• Tampa, FL40 studies
• Columbus, OH39 studies
• Rochester, MN39 studies
• East Norwalk, CT38 studies
• Jacksonville, FL38 studies
• New Haven, CT38 studies
• Seattle, WA37 studies
• Kansas City, MO34 studies
• Detroit, MI34 studies
• Portland, OR33 studies
• Cleveland, OH33 studies
• Aurora, CO30 studies
• Santa Monica, CA29 studies
• Mountain View, CA27 studies
• Salt Lake City, UT27 studies

By state

• Alabama32 studies
• Alaska8 studies
• Arizona55 studies
• Arkansas17 studies
• California180 studies
• Colorado56 studies
• Connecticut50 studies
• Delaware9 studies
• District of Columbia27 studies
• Florida144 studies
• Georgia52 studies
• Hawaii11 studies
• Idaho7 studies
• Illinois81 studies
• Indiana31 studies
• Iowa23 studies
• Kansas26 studies
• Kentucky23 studies
• Louisiana21 studies
• Maine16 studies
• Maryland65 studies
• Massachusetts116 studies
• Michigan72 studies
• Minnesota64 studies
• Mississippi9 studies
• Missouri73 studies
• Montana13 studies
• Nebraska26 studies
• Nevada22 studies
• New Hampshire18 studies
• New Jersey94 studies
• New Mexico20 studies
• New York184 studies
• North Carolina91 studies
• North Dakota9 studies
• Ohio77 studies
• Oklahoma20 studies
• Oregon41 studies
• Pennsylvania91 studies
• Rhode Island12 studies
• South Carolina22 studies
• South Dakota17 studies
• Tennessee90 studies
• Texas176 studies
• Utah42 studies
• Vermont5 studies
• Virginia84 studies
• Washington50 studies
• West Virginia14 studies
• Wisconsin44 studies
• Wyoming3 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.