Mountain air test: how asthma hearts handle high altitude
NCT ID NCT07431580
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how simulated high altitude (2,500 m and 4,000 m) affects the right side of the heart in people with well-controlled asthma. Eighteen participants will breathe special gas mixtures to mimic altitude while resting and doing light exercise. The goal is to learn how the heart responds to low oxygen, which could help guide future advice for asthmatics who enjoy mountain sports.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
normobaric hypoxia (simulated altitude via gas mixture)
What this could lead to
If successful, this study could help doctors better understand how to support people with asthma during mountain activities.
What could go wrong
This is a small, early-stage study with only 18 participants, so results may not apply to everyone. It measures temporary effects, not long-term outcomes.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Consultant Clinic of Pulmonology, University Hospital of Zurich
RECRUITINGZurich, Canton of Zurich, 8091, Switzerland
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Email: •••••@•••••
Contact