# Computed Tomogram Myocardial Thickness Map Guided pulmOnary Vein iSolaTion vs. Empirical Pulmonary Vein Isolation in Cryoballoon Ablation for Paroxysmal Atrial Fibrillation (UTMOST AF II)

> **NCT03912324** · NA · RECRUITING · sponsor: **Yonsei University** · enrollment: 220 (estimated)

## Conditions studied

- Paroxysmal Atrial Fibrillation

## Interventions

- **PROCEDURE:** Unipolar voltage subtraction map guided PV isolation group
- **PROCEDURE:** CT myocardial thickness map guided PV isolation group
- **PROCEDURE:** Empirical PV isolation group

## Key facts

- **NCT ID:** NCT03912324
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2021-10-06
- **Primary completion:** 2025-04
- **Final completion:** 2025-04
- **Target enrollment:** 220 (ESTIMATED)
- **Last updated:** 2024-06-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03912324

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03912324, "Computed Tomogram Myocardial Thickness Map Guided pulmOnary Vein iSolaTion vs. Empirical Pulmonary Vein Isolation in Cryoballoon Ablation for Paroxysmal Atrial Fibrillation (UTMOST AF II)". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT03912324. Licensed CC0.

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