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Atrial Fibrillation clinical trials in Los Angeles, CA

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

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The Rhythm Evaluation for AntiCoagulaTion With Continuous Monitoring of Atrial Fibrillation

RecruitingPhase 3
  • University of Southern California - Keck School of Medicine, Los Angeles
  • University of California Los Angeles (UCLA Health), Los Angeles
Ages 22 to 85 · All sexes · Updated Sep 30, 2026 · NCT05836987

Real-world Experience of Catheter Ablation for the Treatment of Arrhythmias

RecruitingObservational study
  • Keck School of Medicine, Los Angeles
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT04088071

The Fourth Left Atrial Appendage Occlusion Study

Recruiting
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Sep 18, 2026 · NCT05963698

Conquer-AF Protocol for Redo Ablation Procedures in Recurrent Paroxysmal and Persistent Atrial Fibrillation Using the Sphere-9 Catheter and Affera Ablation System (Conquer-AF)

Recruiting
  • Cedars Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Jul 31, 2026 · NCT07298473

Study to evaLuate the effIcacy and Safety of abeLacimab in High-risk Patients With Atrial Fibrillation Who Have Been Deemed Unsuitable for Oral antiCoagulation (LILAC-TIMI 76)

RecruitingPhase 3
  • Anthos Investigative Site 1077, Los Angeles
Ages 65 and older · All sexes · Updated Jul 13, 2026 · NCT05712200

Anticoagulation for New-Onset Post-Operative Atrial Fibrillation After CABG

RecruitingPhase 3
  • University of Southern California, Los Angeles
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Jun 26, 2026 · NCT04045665

Anticoagulation in ICH Survivors for Stroke Prevention and Recovery

RecruitingPhase 3
  • Kaiser Permanente Los Angeles Medical Center, Los Angeles
  • Cedars-Sinai Medical Center, Los Angeles
  • Ronald Reagan UCLA Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated May 8, 2026 · NCT03907046

Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Atrial Fibrillation Occurring Transiently With Stress

RecruitingPhase 4
  • Cedars-Sinai Medical Center, Los Angeles
Ages 55 and older · All sexes · Updated Jan 12, 2026 · NCT03968393

Esophageal Temperature During PVI Using Q-DOT Micro

Recruiting
  • Cedars-Sinai Smidt Heart Institute, Los Angeles
Ages 18 and older · All sexes · Updated Oct 28, 2025 · NCT06392932

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

Other studies in Los Angeles

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.