# STOP AF First: Cryoballoon Catheter Ablation in an Antiarrhythmic Drug Naive Paroxysmal Atrial Fibrillation

> **NCT03118518** · NA · COMPLETED · sponsor: **Medtronic Cardiac Ablation Solutions** · enrollment: 225 (actual)

## Conditions studied

- Atrial Fibrillation
- Atrial Fibrillation New Onset

## Interventions

- **DEVICE:** Cryoablation
- **DRUG:** Antiarrhythmic drug

## Key facts

- **NCT ID:** NCT03118518
- **Lead sponsor:** Medtronic Cardiac Ablation Solutions
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-06-23
- **Primary completion:** 2020-06-25
- **Final completion:** 2020-06-25
- **Target enrollment:** 225 (ACTUAL)
- **Last updated:** 2025-02-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03118518

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03118518, "STOP AF First: Cryoballoon Catheter Ablation in an Antiarrhythmic Drug Naive Paroxysmal Atrial Fibrillation". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03118518. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*