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Which tool is safer for obese patients' airways? new study compares two video intubation devices

NCT ID NCT06981923

Symptom relief Sponsor: General Committee of Teaching Hospitals and Institutes, Egypt 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 01, 2026 · Updated 3 times

Summary

This study tested two video-guided devices (CMAC D-Blade and CMAC Video Stylet) in 150 obese adults undergoing bariatric surgery. The goal was to see which device allows doctors to place a breathing tube more easily and safely on the first try. Participants had a higher risk of difficult intubation based on a standard airway risk score. The findings could help guide device choice for similar patients.

What this could mean

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

Active substance
CMAC D-Blade and CMAC Video Stylet (medical devices)
What this could lead to
If one device proves better, it could help doctors choose the safest tool for intubating obese patients, reducing complications during surgery.
What could go wrong
This is a completed, moderate-sized study, but results may not apply to all hospitals or patients. Both devices are already in use, so no major breakthrough is expected.

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

350 people

The number who actually took part.

Started

May 2025

Finished

Feb 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

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: * Adult patients (≥ 18 years) * BMI ≥ 35 kg/m² * SARI score ≥ 4 * Scheduled for elective bariatric surgery Exclusion Criteria: 1. SARI score \< 4. 2. any known or suspected airway pathology (such as tumors, airway trauma, or history of airway surgery/tracheostomy). 3. Emergency surgery. 4. Coagulopathy. 5. seizures, pregnancy, 6. mouth opening ≤ 2 cm. 7. contraindications to general anesthesia or neuromuscular blockade and uncooperative patients.

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Conditions

The condition(s) this trial relates to.

obesity disorder

As listed by the trial registrant

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

Difficult intubation in obesity

Contacts and locations

Locations

  • Madina Women's Hospital

    Alexandria, 21531, Egypt

  • The surgical department of Medical Research Institute Hospital, Alexandria University

    Alexandria, Egypt

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