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Head-Up position may ease tube insertion in simulated difficult airway

NCT ID NCT05671978

Knowledge-focused Sponsor: Hallym University Kangnam Sacred Heart Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether raising the head (head-elevated position) makes it easier to insert a breathing tube using a special video laryngoscope in patients whose neck was held still to mimic a difficult airway. 182 adults having planned surgery took part. The main goal was to measure how long it took to place the tube and how easy it was. The results help doctors choose the best patient position for this type of intubation.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

182 people

The number who actually took part.

Started

Jan 2023

Finished

Jul 2023

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.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * patients of ASA physical status 1-2 who were scheduled for elective surgery under general anaesthesia requiring tracheal intubation. Exclusion Criteria: * if they required rapid sequence induction; * history of previous difficult direct laryngoscopy * unwilling to provide informed consent * uncontrolled hypertension * history of ischaemic heart disease without optimal control of symptoms * history of acute or recent stroke or myocardial infarction * cervical spine instability or cervical myelopathy * symptomatic asthma or reactive airway disease requiring daily pharmacological treatment for control of symptoms * history of gastric reflux.

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As listed by the trial registrant

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

Intubation; difficult or failed

Contacts and locations

Locations

  • Hallym University Kangnam Sacred Heart Hospital

    Seoul, South Korea

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