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Does oxygen flow clear the view for intubation?

NCT ID NCT07575776

Knowledge-focused Sponsor: Masarykova Nemocnice v Usti nad Labem, Krajska Zdravotni a.s. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether different flow rates of high-flow nasal oxygen change how well doctors can see the airway when placing a breathing tube. 150 adults having planned surgery will each be tested at three flow settings (0, 40, and 60 L/min). The goal is to find the best flow for a clear view, which could help make intubation safer.

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 successful, this could help anesthesiologists choose the best oxygen flow to get a clearer view of the airway during intubation.
What could go wrong
This is an early observational study, not a treatment trial. It only measures the view quality, not patient outcomes, so practical benefits are uncertain.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adult patients undergoing elective surgical procedures requiring endotracheal intubation under general anesthesia.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years * Scheduled for endotracheal intubation under general anesthesia * Use of videolaryngoscopy Exclusion Criteria: * Anticipated difficult airway * Emergency intubation * Contraindications to HFNO * Inability to obtain adequate video recording

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As listed by the trial registrant

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

Airway anesthesia Airway complication of anaesthesia Difficult / failed intubation Difficult airway High flow nasal canula Laryngoscopy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

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