# Cryoballoon Ablation for Early Persistent Atrial Fibrillation (Cryo4 Persistent AF)

> **NCT02213731** · NA · COMPLETED · sponsor: **Medtronic Cardiac Ablation Solutions** · enrollment: 130 (actual)

## Conditions studied

- Atrial Fibrillation

## Interventions

- **OTHER:** Holter monitoring

## Key facts

- **NCT ID:** NCT02213731
- **Lead sponsor:** Medtronic Cardiac Ablation Solutions
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-12-08
- **Primary completion:** 2017-06-22
- **Final completion:** 2017-09-12
- **Target enrollment:** 130 (ACTUAL)
- **Last updated:** 2025-02-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02213731

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02213731, "Cryoballoon Ablation for Early Persistent Atrial Fibrillation (Cryo4 Persistent AF)". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT02213731. Licensed CC0.

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