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Which breathing tube method is safer for head and neck cancer patients?

NCT ID NCT03757091

Knowledge-focused Sponsor: M.D. Anderson Cancer Center 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested two devices that help doctors place a breathing tube before surgery in 143 head and neck cancer patients with difficult airways. One device is a flexible scope, and the other combines that scope with a video laryngoscope. The goal was to see which method reduces complications like pain or mouth injury. Results will help anesthesiologists choose the safest approach.

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

143 people

The number who actually took part.

Started

Jan 2019

Finished

Feb 2026

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 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: * Ages ≥ 18 years of age * All surgical patients with known or suspected difficult airways that meet at least three (3) of the Difficult Airway criteria \[Mallampati III-IV, Neck circumference \> 40 cm, Sternomental distance \< 12 cm, Thyromental distance \< 6 cm, Mouth opening \< 4 cm, BMI ≥ 35 kg/m2, Upper Lip Bite Test - ULBT (class III)\] or history of radiation to the head and neck area or oral pathology obstructing the glottic view * American Society of Anesthesiology (ASA) I-IV * Has provided written informed consent Exclusion Criteria: * Active bleeding from nasopharynx or oropharynx * Trismus * Oral pathology obstructing the glottic view * Planned awake or nasal intubation * Neuromuscular Blockade (NMB) contraindicated post-induction * Emergency endotracheal intubation and patients intubated pre and post-surgery * Surgical procedures such as Tracheostomy, Laryngectomy, Esophagectomy * Patient refusal or inability to consent for study participation * American Society of Anesthesiology (ASA) V * Pregnant females

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Conditions

The condition(s) this trial relates to.

head and neck cancer head and neck neoplasm Head and Neck Neoplasms

As listed by the trial registrant

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

Head and neck neoplasm

Contacts and locations

Locations

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.