Nasal mask may beat cannula for oxygen during gut scopes

NCT ID NCT07500779

Completed Symptom relief Sponsor: Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a nasal mask or a standard nasal cannula is better at preventing low oxygen levels during gastrointestinal endoscopy. 600 adults were randomly assigned to receive oxygen through one of the two devices while sedated with propofol. The goal was to see which method reduces hypoxemia (oxygen saturation dropping to 90% or below).

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: oxygen
What this could lead to: If the nasal mask works better, it could become a standard way to prevent low oxygen levels during endoscopy procedures.
What could go wrong: This is a completed trial, but results may not apply to all patients or settings. The difference between devices might be small.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Hypoxia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CONSCIOUS SEDATION HYPOXEMIA

Contacts and locations

Locations

University of Health Sciences Sultan Abdulhamid Han Training and Research Hospital

Istanbul, Turkey (Türkiye)

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