Arrhythmias Clinical Trials

52 recruitingLast updated: June 18, 2026

There are 52 actively recruiting arrhythmias clinical trials across 29 countries. Studies span Not Applicable, Phase 3, Phase 4. Top locations include Bern, Switzerland, Paris, France, Hamburg, Germany. Updated daily from ClinicalTrials.gov.


Arrhythmias Trials at a Glance

52 actively recruiting trials for arrhythmias are listed on ClinicalTrialsFinder across 6 cities in 29 countries. The largest study group is Not Applicable with 17 trials, with the heaviest enrollment activity in Bern, Paris, and Hamburg. Lead sponsors running arrhythmias studies include Insel Gruppe AG, University Hospital Bern, University Hospital of Ferrara, and Stanford University.

Browse arrhythmias trials by phase

Treatments under study

About Arrhythmias Clinical Trials

Looking for clinical trials for Arrhythmias? There are currently 7 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Arrhythmias trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Arrhythmias clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 52 trials

Recruiting
Phase 4

The Clinical Outcomes and Therapeutic Effects in Patients With Cardiac Implantable Electronic Device-detected Subclinical and Clinical Atrial Fibrillation.

Subclinical Atrial FibrillationCardiac Arrhythmias
National Taiwan University Hospital450 enrolled1 locationNCT07649109
Recruiting

Observational Study of Cardiac Arrhythmias During Treatment With BTK Inhibitors or Venetoclax

Mantle Cell LymphomaSudden Cardiac DeathChronic Lymphocytic Leukemia (CLL)+3 more
National Heart, Lung, and Blood Institute (NHLBI)135 enrolled1 locationNCT05724121
Recruiting

An Observational Post-marketing Study Using Commercially Approved Biosense Webster (BWI) Medical Devices for the Treatment of Participants With Cardiac Arrhythmias

Arrhythmias, Cardiac
Biosense Webster, Inc.8,000 enrolled40 locationsNCT04750798
Recruiting

ViewFlex X ICE First-in-Human Study

Cardiac Arrhythmias
Abbott Medical Devices500 enrolled8 locationsNCT06772493
Recruiting
Phase 4

Pre-discharge Influenza Vaccination in Patients Hospitalized for Acute Cardiac Conditions

Myocardial InfarctionAcute Heart Failure (AHF)Arrhythmias+3 more
Wroclaw Medical University400 enrolled1 locationNCT07617376
Recruiting
Not Applicable

Exercise Activity Intervention With Sensor-Based Engagement in Patients With Atrial Fibrillation

Cardiovascular DiseasesAtrial FibrillationArrhythmias, Cardiac
Icahn School of Medicine at Mount Sinai120 enrolled1 locationNCT06938412
Recruiting

Testing VIRTUES Patient Care Sets in Cardiac Patients (VIRTUES Cardiac Care)

Cardiovascular DiseasesAtrial FibrillationArrhythmias, Cardiac+2 more
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's2,000 enrolled1 locationNCT05452356
Recruiting

LEARN: Learning Environment for Artificial Intelligence in Radiotherapy New Technology

Breast CancerLiver CancerPancreatic Cancer+6 more
University of Sydney300 enrolled4 locationsNCT05184790
Recruiting
Not Applicable

The MAGiC™ Cardiac Ablation European Study

Arrhythmias, Cardiac
Stereotaxis150 enrolled4 locationsNCT06019845
Recruiting
Not Applicable

Ablation of Consecutive Atrial Tachycardia

Arrhythmias, CardiacHeart DiseasesAtrial Tachycardia+1 more
Evangelical Hospital Düsseldorf100 enrolled6 locationsNCT05239364
Recruiting
Not Applicable

To Compare and Evaluate the Efficacy and Safety Between TS-RF System and BRK Transseptal Needles Used for Transseptal Puncture for Left Atrial Access.

Atrial FibrillationArrhythmias, CardiacHeart Diseases
Starmed70 enrolled1 locationNCT06358391
Recruiting

AI-powered ECG Analysis Using Willem™ Software in High-risk Cardiac Patients (WILLEM)

CardiomyopathiesSudden Cardiac DeathCardiac Arrest+1 more
Idoven 1903 S.L.5,342 enrolled14 locationsNCT05890716
Recruiting
Not Applicable

Real-Time Intracardiac Echocardiography for Ventricular Arrhythmia Ablation

Ventricular TachycardiaVentricular ArrhythmiaAblation of Arrhythmias+1 more
Insel Gruppe AG, University Hospital Bern70 enrolled2 locationsNCT07201506
Recruiting
Phase 4

The Leadless AV Versus DDD Pacing Study

Cardiovascular DiseasesArrhythmias, CardiacHeart Diseases+1 more
Insel Gruppe AG, University Hospital Bern100 enrolled1 locationNCT05498376
Recruiting
Not Applicable

The Field PULSE Study

Atrial Arrhythmias
Field Medical40 enrolled1 locationNCT06452589
Recruiting
Not Applicable

Radiotherapy vs Catheter Ablation for Ventricular Tachycardia in Structural Heart Disease

CardiomyopathiesArrhythmias, CardiacVentricular Tachycardia+1 more
Western Sydney Local Health District60 enrolled1 locationNCT06360939
Recruiting

The Dynamics of Human Atrial Fibrillation

Atrial FibrillationArrhythmias, Cardiac
Stanford University200 enrolled1 locationNCT05366361
Recruiting

CMR-Based Prognostic Study in Patients With Cardiac Implantable Electronic Devices

Arrhythmias
Chinese Academy of Medical Sciences, Fuwai Hospital1,500 enrolled1 locationNCT07336225
Recruiting

Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?

Ventricular arrhythmiasMedication SafetyTorsades de Pointes+3 more
St. Joseph's Healthcare Hamilton990,000 enrolled2 locationsNCT07374263
Recruiting
Phase 3

Prophylactic Anti-aRrhythmic Therapy With Amiodarone in Critically Ill Patients Admitted for an Out-of-hospital Cardiac Arrest With Initial Shockable Rhythm

Ventricular Arrhythmias and Cardiac Arrest
Versailles Hospital674 enrolled29 locationsNCT06835491