Salty air: a new way to help lungs sweep themselves clean?
NCT ID NCT07722377
First seen Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time
Summary
This trial tests whether breathing in a continuous fine mist of isotonic (0.9%) saline, combined with heated, humidified air, can improve the lungs' natural mucus-clearing mechanism. Ten healthy adults will have their mucus clearance measured by a special scan under three conditions: no treatment, heated humidification alone, and heated humidification plus saline mist. The goal is to see if this gentle approach can keep airways hydrated and help the lungs remove particles and germs more effectively.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- continuous nebulisation of isotonic (0.9%) saline solution combined with heated humidification via high-flow nasal cannula
- What this could lead to
- If it works, this simple combination could point toward a gentler way to help people with lung conditions clear mucus without the irritation of stronger salt solutions.
- What could go wrong
- This is a very small, early study in healthy volunteers, so results may not apply to people with lung disease. The effect of isotonic saline on mucus clearance is still unclear.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Cliniques universitaires Saint-Luc
Brussels, 1200, Belgium
Contact Phone: •••-•••-•••• Email: •••••@•••••
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