The Evaluation of Efficacy and Safety of Radiofrequency Ablation and Cryoballoon Ablation in Patients with Atrial Fibrillation and Left Ventricular Dysfunction, Randomized Singlecenter Clinical Trial

The Evaluation of Efficacy and Safety of Radiofrequency Ablation and Cryoballoon Ablation in Patients with Atrial Fibrillation and Left Ventricular Dysfunction, Randomized Singlecenter Clinical Trial - RF and Cryo Ablation of AF in Patients with LV dysfunction

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032433

Enrollment

120

Registered

2018-05-01

Start date

2018-05-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation

Interventions

cryoballoon ablation RF ablation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Atrial fibrillation 2. Reduced LV contraction

Exclusion criteria

Exclusion criteria: 1. Prior history of catheter ablation and/or surgery for atrial fibrillation 2. Normal LV contraction 3. Left atrial dimension more than 55 mm 4. Common pulmonary vein 5. Pregnant

Design outcomes

Primary

Measure	Time frame
1. recurrence rate of atrial tachyarrhythmia 1 year after ablation 2. composite of all-cause mortality or worsening of heart failure requiring unplanned hospitalization	—

Countries

Japan

Contacts

Public ContactKoji Miyamoto

National Cerebral and Cardiovascular Center Division of Arrhythmia and Electrophysiology, Department of Cardiovascular Medicine

koji3koji3@gmail.com06-6170-1070

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026