Thin tube could map sleep apnea blockages better than scopes
NCT ID NCT04139499
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a thin, flexible tube with pressure sensors (high-resolution manometry) can pinpoint where the airway gets blocked during sleep in people with obstructive sleep apnea. 18 adults and children underwent both the standard scope test and the new tube method. The goal was to see if the tube could provide clearer, more detailed information about blockages at different spots in the throat.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If this works, it could give doctors a more precise, objective way to find where the airway is blocked during sleep, helping plan better surgeries for sleep apnea.
- What could go wrong
- This was a very small, early study with only 18 people. The new method may not prove more useful than current techniques, and results may not apply to everyone with sleep apnea.
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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
Locations
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University of Wisconsin
Madison, Wisconsin, 53792, United States
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