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New study tests STOP-BANG questionnaire to predict airway trouble in obese surgery patients

NCT ID NCT07493356

Knowledge-focused Sponsor: Sindh Institute of Urology and Transplantation Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 the STOP-BANG questionnaire, along with other simple tests, can predict if an obese patient will have trouble with a breathing tube during surgery. Researchers will check how well these tools work in 233 adults with a BMI of 30 or higher. The goal is to improve safety by identifying high-risk patients before they go under anesthesia.

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 airway problems in obese patients before surgery, potentially improving safety.
What could go wrong
This is an observational study, not a treatment trial. Results may not apply to all patients or settings, and the questionnaire may not be accurate enough to change practice.

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

About 233 people

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

Started

Mar 2026

Expected to finish

Sep 2026

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.

Who is studied

* Male \& Female aged 18-60 years. * Body mass index 30 or more * American Society of Anesthesiologists (ASA) status II-III. * Scheduled for elective surgery under general anesthesia with endotracheal intubation.

Ages

18 to 60 years

Sex

Anyone

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: * Male \& Female aged 18-60 years. * Body mass index 30 or more * American Society of Anesthesiologists (ASA) status II-III. * Scheduled for elective surgery under general anesthesia with endotracheal intubation. Exclusion Criteria: * Patients' refusal to participate. * American Society of Anesthesiologists (ASA) IV \& V. * Neuromuscular diseases or facial abnormalities. * Cardiothoracic, head and neck, or emergency surgery. * Previously diagnosed with OSA (by polysomnography) will be excluded. * Any airway-related anatomical deformity (e.g., Down's syndrome). * History of radiation exposure. * Patient with mouth opening \<2 fingers

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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 Ventilatory defect

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • Sindh Institute of Urology and Transplantation

    RECRUITING

    Karachi, Sindh, 74200, Pakistan

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