# Blood Markers Predict Effect of Normobaric Hypoxia at Rest and During Exercise in Patients With Pulmonary Hypertension

> **NCT04715113** · NA · COMPLETED · sponsor: **University of Zurich** · enrollment: 24 (actual)

## Conditions studied

- Hypertension, Pulmonary

## Interventions

- **OTHER:** Normobaric hypoxia (FiO2 15%)
- **OTHER:** Placebo-ambient air (FiO2 21%)
- **OTHER:** Normobaric hypoxia (FiO2 15%) under Sildenafil
- **OTHER:** Placebo-ambient air (FiO2 21%) under Sildenafil

## Key facts

- **NCT ID:** NCT04715113
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-01
- **Primary completion:** 2023-05-31
- **Final completion:** 2023-05-31
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2023-06-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04715113

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04715113, "Blood Markers Predict Effect of Normobaric Hypoxia at Rest and During Exercise in Patients With Pulmonary Hypertension". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04715113. Licensed CC0.

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