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OpenTrials
Completed

NCT Number: NCT04076501

Effect of Short-term Oxygen During CPET in GUCH

In a randomized, sham-controlled crossover trial the investigators will test whether supplemental oxygen given during cardiopulmonary exercise testing will improve exercise performance and physiological parameters in patients with grown-up congenital heart disease.

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Key information

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University Hospital Zurich, Division of Pneumology

Zurich, , 8091, Switzerland

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • GUCH, stable medication for at least 4 weeks.

Exclusion criteria

  • instable status, pregnancy, clinically relevant concomitant diseases, inability to follow the study procedures

Treatment and study plan

Oxygen application

Procedure

Oxygen application Supplemental oxygen via mask

Sham room air

Procedure

Room air applied via mask

Primary outcomes

  1. Work Rate (Watt)

    Time frame: 1 day

    Maximal Work Rate (Wmax) measured during cardiopulmonary exercise test oxygen vs. room air

  2. Endurance Time (s) Endurance Time (s) Endurance Time (s)

    Time frame: 1 day

    Endurance (s) with 75% Wmax measured during cardiopulmonary exercise test oxygen vs. room air

Secondary outcomes

  1. Peak Oxygen uptake

    Time frame: 1 day

    measured during cardiopulmonary exercise test oxygen vs. room air

  2. Respiratory Exchange ratio

    Time frame: 1 day

    measured during cardiopulmonary exercise test oxygen vs. room air

  3. Changes in arterial blood parameters

    Time frame: 1 day

    measured during cardiopulmonary exercise test oxygen vs. room air

  4. muscle tissue oxygen

    Time frame: 1 day

    Oxygen saturation in the muscle measured during cardiopulmonary exercise test oxygen vs. room air with near infrared spectroscopy

  5. cerebral tissue oxygen

    Time frame: 1 day

    Oxygen saturation in the brain measured during cardiopulmonary exercise test oxygen vs. room air with near infrared spectroscopy

Sponsors and collaborators

Lead sponsor

University of Zurich

Other

Registry information

Official study title

Effect of Short-term Ambulatory Oxygen Therapy on Cardiopulmonary Exercise Capacity (CPET) in Patients With Grown-up Congenital Heart Disease (GUCH)

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Sep 3, 2019
Registry last updated
Apr 19, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.