# Giant Left Atrium Atrial fibrillatioN CathEter Ablation, Posterior Box Isolation vs. Dallas Lesion Set

> **NCT04632550** · NA · UNKNOWN · sponsor: **Yonsei University** · enrollment: 480 (estimated)

## Conditions studied

- Atrial Fibrillation

## Interventions

- **PROCEDURE:** Circumferential pulmonary vein isolation(CPVI) group
- **PROCEDURE:** Posterior box isolation(POBI) group
- **PROCEDURE:** POBI+Anterior linear ablation(AL) group

## Key facts

- **NCT ID:** NCT04632550
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-12
- **Primary completion:** 2025-10
- **Final completion:** 2025-10
- **Target enrollment:** 480 (ESTIMATED)
- **Last updated:** 2020-11-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04632550

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04632550, "Giant Left Atrium Atrial fibrillatioN CathEter Ablation, Posterior Box Isolation vs. Dallas Lesion Set". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04632550. Licensed CC0.

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