# Effect of a Bigger Cryoballoon on the Total Antral Lesion Size: Evaluation of POLARx FIT

> **NCT05881733** · NA · COMPLETED · sponsor: **Erasmus Medical Center** · enrollment: 20 (actual)

## Conditions studied

- Atrial Fibrillation

## Interventions

- **DEVICE:** POLARx FIT cryoballoon

## Key facts

- **NCT ID:** NCT05881733
- **Lead sponsor:** Erasmus Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-10-02
- **Primary completion:** 2024-04-29
- **Final completion:** 2025-04-23
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2025-12-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05881733

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05881733, "Effect of a Bigger Cryoballoon on the Total Antral Lesion Size: Evaluation of POLARx FIT". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05881733. Licensed CC0.

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