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Ultrasound before surgery may help spot tough intubations

NCT ID NCT07628868

Knowledge-focused Sponsor: Bakirkoy Dr. Sadi Konuk Research and Training 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 ultrasound measurements of the airway before surgery can help predict when placing a breathing tube will be difficult using a videolaryngoscope. Researchers will test 350 adults undergoing elective surgery to find new cut-off values that could improve prediction. The goal is to make intubation safer and more successful.

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 doctors better predict difficult airways before surgery, potentially reducing complications.
What could go wrong
This is an observational study, not a treatment trial. The findings may not apply to all patients or settings, and the new cut-off values need further validation.

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

350 people

The number who actually took part.

Started

Dec 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

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.

Who is studied

Patients undergoing elective surgery under general anesthesia requiring endotracheal intubation

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: * Patients aged 18 years and older * Patients undergoing elective surgery under general anesthesia requiring endotracheal intubation (ASA I-III) Exclusion Criteria: * Patients undergoing surgery under sedation or regional anesthesia * Patients not planned for endotracheal intubation * Patients with a history of difficult airway * Patients with an acute respiratory tract infection * Patients with congenital or acquired upper airway anomalies * Patients with facial or maxillofacial tumors or fractures * Patients with cervical spine fracture * Patients with a history of cervical or craniofacial radiotherapy * Patients with a tracheostomy * Pregnant patients * Patients who do not meet the required fasting period or who refuse to -participate in the study

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As listed by the trial registrant

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

Difficult airway Ultrasonography

Contacts and locations

Locations

  • SBÜ Bakırköy Dr. Sadi Konuk Eğitim ve Araştırma Hastanesi

    Istanbul, Bakirköy, 34147, Turkey (Türkiye)

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