Status:

NOT_YET_RECRUITING

EXPORT Randomized Trial

Lead Sponsor:

Yonsei University

Conditions:

Atrial Fibrillation

Eligibility:

All Genders

19+ years

Phase:

NA

Brief Summary

Pulmonary Vein Isolation (PVI)-Only Group 1. Pulmonary vein isolation (PVI) will be performed, and the procedure will be terminated without the administration of isoproterenol following the standard ...

Detailed Description

"A. Essential Standard Pre-Procedural Examinations for Catheter Ablation * Transthoracic Echocardiography (TTE): Performed in all patients to evaluate the presence of structural heart disease, left a...

Eligibility Criteria

Inclusion

  • Patients aged ≥19 years with persistent atrial fibrillation scheduled for catheter ablation.
  • Refractory to or intolerant of at least one Class I or III antiarrhythmic drug.
  • Undergoing first-time catheter ablation for atrial fibrillation.

Exclusion

  • Acute coronary syndrome within the past 3 months.
  • Severe unrevascularized coronary artery disease: ≥70% stenosis in at least one major epicardial vessel with a diameter ≥2 mm.
  • History of stroke or transient ischemic attack (TIA) within the past 3 months.
  • Uncontrolled severe hypertension (systolic blood pressure ≥180 mmHg or diastolic blood pressure ≥120 mmHg).
  • Severe untreated aortic valve stenosis.
  • Symptomatic moderate-to-severe valvular heart disease.
  • Aortic dissection.
  • Heart failure with reduced ejection fraction (LVEF \<40%).
  • Severe pulmonary hypertension (resting RVSP \>60 mmHg).
  • Left atrial anteroposterior diameter \>60 mm.
  • Presence of cyanotic congenital heart disease.
  • Obstructive hypertrophic cardiomyopathy (resting or provoked LVOT pressure gradient ≥30 mmHg).
  • History of prior maze surgery or catheter ablation for atrial fibrillation.
  • Active internal bleeding.
  • Contraindications to anticoagulation therapy or rhythm control treatment.
  • Presence of severe comorbid conditions or life expectancy \<1 year.
  • Drug or alcohol abuse.
  • Pregnancy.
  • Any other condition that, in the investigator's judgment, makes the patient unsuitable for study participation.

Key Trial Info

Start Date :

October 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 31 2030

Estimated Enrollment :

406 Patients enrolled

Trial Details

Trial ID

NCT07197931

Start Date

October 1 2025

End Date

August 31 2030

Last Update

September 30 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Severance Cardiovascular Hospital, Yonsei University Health System

Seoul, South Korea, 120-752