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Brain Tumors clinical trials recruiting in the U.S.

197 studies for Brain Tumors are recruiting participants at sites across the United States.

A brain tumor is a growth of abnormal cells in the brain tissue. Learn the types of tumors, symptoms, how they are diagnosed and treatment options.

Cities with the most studies

• Houston, TX35 studies
• Boston, MA28 studies
• New York City, NY25 studies
• Washington, DC20 studies
• Los Angeles, CA16 studies
• Miami, FL15 studies
• Durham, NC14 studies
• St. Louis, MO12 studies
• Seattle, WA11 studies
• Cleveland, OH11 studies
• Rochester, MN11 studies
• Baltimore, MD11 studies
• Columbus, OH11 studies
• Chicago, IL11 studies
• Ann Arbor, MI10 studies
• Aurora, CO9 studies
• Atlanta, GA9 studies
• Detroit, MI9 studies
• Nashville, TN8 studies
• Arlington, VA8 studies
• San Francisco, CA8 studies
• Minneapolis, MN8 studies
• Portland, OR8 studies
• Dallas, TX8 studies
• San Antonio, TX7 studies
• Philadelphia, PA7 studies
• Salt Lake City, UT7 studies
• Mountain View, CA7 studies
• San Diego, CA7 studies
• Cincinnati, OH7 studies
• Baldwin Park, CA7 studies
• Jacksonville, FL7 studies
• Tampa, FL6 studies
• Birmingham, AL5 studies
• Madison, WI5 studies
• Winston-Salem, NC5 studies
• Scottsdale, AZ5 studies
• Milwaukee, WI5 studies
• Memphis, TN4 studies
• Grand Rapids, MI4 studies

By state

• Alabama5 studies
• Arizona11 studies
• Arkansas3 studies
• California39 studies
• Colorado11 studies
• District of Columbia13 studies
• Florida29 studies
• Georgia12 studies
• Idaho3 studies
• Illinois14 studies
• Indiana4 studies
• Iowa4 studies
• Kansas3 studies
• Kentucky5 studies
• Maryland18 studies
• Massachusetts29 studies
• Michigan19 studies
• Minnesota18 studies
• Missouri13 studies
• Montana3 studies
• Nebraska5 studies
• New Hampshire4 studies
• New Jersey8 studies
• New York35 studies
• North Carolina20 studies
• Ohio23 studies
• Oklahoma3 studies
• Oregon8 studies
• Pennsylvania13 studies
• Rhode Island3 studies
• South Carolina5 studies
• Tennessee12 studies
• Texas42 studies
• Utah8 studies
• Virginia15 studies
• Washington12 studies
• Wisconsin11 studies

Recently updated studies

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.