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Arrhythmia clinical trials recruiting in the U.S.

38 studies for Arrhythmia are recruiting participants at sites across the United States.

If you have an arrhythmia, or irregular heartbeat, your heart may beat too quickly, too slowly, or with an irregular rhythm. Learn about causes and treatments.

Cities with the most studies

• New York City, NY8 studies
• Rochester, MN7 studies
• Philadelphia, PA5 studies
• Boston, MA5 studies
• San Francisco, CA5 studies
• Cleveland, OH5 studies
• Mountain View, CA5 studies
• Austin, TX5 studies
• Pittsburgh, PA4 studies
• Washington, DC4 studies
• Houston, TX4 studies
• Indianapolis, IN4 studies
• Nashville, TN3 studies
• Detroit, MI3 studies
• Louisville, KY3 studies
• Chicago, IL3 studies
• San Diego, CA3 studies
• Durham, NC3 studies
• Madison, WI3 studies
• St. Louis, MO3 studies
• Jacksonville, FL3 studies

By state

• Arizona4 studies
• California15 studies
• District of Columbia3 studies
• Florida5 studies
• Georgia3 studies
• Illinois3 studies
• Indiana4 studies
• Kentucky4 studies
• Maryland4 studies
• Massachusetts5 studies
• Michigan5 studies
• Minnesota7 studies
• Missouri5 studies
• New Jersey3 studies
• New York10 studies
• North Carolina9 studies
• Ohio7 studies
• Pennsylvania7 studies
• South Carolina3 studies
• Tennessee4 studies
• Texas9 studies
• Utah4 studies
• Virginia5 studies
• Washington3 studies
• Wisconsin4 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.