# The Cardiovascular Effects of Patent Foramen Ovale in Hypoxia

> **NCT07742540** · — · NOT_YET_RECRUITING · sponsor: **University of Texas Southwestern Medical Center** · enrollment: 50 (estimated)

## Conditions studied

- Patent Foramen Ovale (PFO)
- High Altitude Pulmonary Edema

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07742540
- **Lead sponsor:** University of Texas Southwestern Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-09-15
- **Primary completion:** 2027-12-31
- **Final completion:** 2028-09-15
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07742540

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07742540, "The Cardiovascular Effects of Patent Foramen Ovale in Hypoxia". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07742540. Licensed CC0.

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