# Prevalence of Atrial Fibrillation in Cryptogenic Stroke With Patent Foramen Ovale Closure (PFO-AF) Study

> **NCT04926142** · — · UNKNOWN · sponsor: **Centre Hospitalier Universitaire de Besancon** · enrollment: 250 (actual)

## Conditions studied

- Patent Foramen Ovale
- Atrial Fibrillation
- Stroke

## Interventions

- **DEVICE:** Implantation of Holter device
- **PROCEDURE:** Percutaneous PFO closure

## Key facts

- **NCT ID:** NCT04926142
- **Lead sponsor:** Centre Hospitalier Universitaire de Besancon
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-07-05
- **Primary completion:** 2025-08-21
- **Final completion:** 2025-12-31
- **Target enrollment:** 250 (ACTUAL)
- **Last updated:** 2024-02-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04926142

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04926142, "Prevalence of Atrial Fibrillation in Cryptogenic Stroke With Patent Foramen Ovale Closure (PFO-AF) Study". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT04926142. Licensed CC0.

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