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New study aims to find the best blade for each Patient's airway

NCT ID NCT07370883

Knowledge-focused Sponsor: Seoul National University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study will compare two types of videolaryngoscope blades (hyperangulated vs. Macintosh) in 524 adults undergoing general anesthesia to see which leads to higher first-attempt intubation success. The goal is to develop a predictive algorithm that personalizes blade selection based on individual airway features, potentially reducing complications and improving safety.

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 lead to a personalized algorithm that helps doctors choose the best videolaryngoscope blade for each patient, potentially improving first-attempt intubation success rates.
What could go wrong
This is an early-stage study (not yet recruiting) focused on device comparison and algorithm development, not a treatment. Results may not apply to all patient groups or emergency settings.

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

About 524 people

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

Expected to start

Jan 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.

Ages

19 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: * Adult patients aged ≥ 19 years undergoing surgery under general anesthesia. Exclusion Criteria: * Patients who did not provide informed consent * Patients with severely loose or unstable teeth * Patients with cervical spine disease * Patients with American Society of Anesthesiologists (ASA) physical status class IV or higher * Pregnant women * Patients with head and neck cancer * Patients who had previous radiotherapy for head and neck cancer * Patients deemed unsuitable for study participation at the investigator's discretion

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As listed by the trial registrant

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

Airway assessment

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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