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Atrial Fibrillation clinical trials in Simi Valley, CA

4 studies for Atrial Fibrillation are looking for participants at sites in and around Simi Valley (within about 30 miles). Open a study to see who can join and how to contact the study team.

Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →

About Atrial Fibrillation

Atrial fibrillation (AF or AFib) is the most common type of arrhythmia (irregular heartbeat). Read about symptoms and treatment.

More about Atrial Fibrillation on MedlinePlus

Atrial Fibrillation trials in other cities

• New York City, NY21 studies
• Boston, MA17 studies
• Cleveland, OH17 studies
• Atlanta, GA16 studies
• Philadelphia, PA12 studies
• Jonesboro, AR12 studies
• Chicago, IL12 studies
• Ann Arbor, MI11 studies
• Cincinnati, OH10 studies
• Columbus, OH10 studies
• Pittsburgh, PA10 studies
• Austin, TX9 studies

Other studies in Simi Valley

• Type 2 Diabetes8 studies
• Obesity5 studies
• Overweight4 studies
• Heart Failure4 studies
• Blood Clots4 studies
• Cardiovascular Disease4 studies
• Atherosclerosis4 studies
• Steatotic Liver Disease3 studies
• High Blood Pressure3 studies
• Metabolic Disorders3 studies

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