# Long-term Outcomes After Percutaneous Patent Foramen Ovale Closure (Severance PFO Registry)

> **NCT07724171** · — · RECRUITING · sponsor: **Yonsei University** · enrollment: 400 (estimated)

## Conditions studied

- Patent Foramen Ovale
- Cryptogenic Stroke
- Transient Ischemic Attack Due to Embolism
- Atrial Fibrillation

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07724171
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-06-05
- **Primary completion:** 2036-05-04
- **Final completion:** 2036-05-04
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2026-07-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07724171

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07724171, "Long-term Outcomes After Percutaneous Patent Foramen Ovale Closure (Severance PFO Registry)". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07724171. Licensed CC0.

---

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