# Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF

> **NCT05723679** · NA · RECRUITING · sponsor: **University of Texas Southwestern Medical Center** · enrollment: 78 (estimated)

## Conditions studied

- Heart Failure With Preserved Ejection Fraction
- Obesity

## Interventions

- **OTHER:** HeO2 gas mixture
- **OTHER:** Room air gas mixture

## Key facts

- **NCT ID:** NCT05723679
- **Lead sponsor:** University of Texas Southwestern Medical Center
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-07-01
- **Primary completion:** 2028-06-30
- **Final completion:** 2029-06-30
- **Target enrollment:** 78 (ESTIMATED)
- **Last updated:** 2026-05-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05723679

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05723679, "Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF". Retrieved via AI Analytics 2026-05-22 from https://api.ai-analytics.org/clinical/NCT05723679. Licensed CC0.

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