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Sore throat after surgery: could tube pressure be the culprit?

NCT ID NCT05542823

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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 337 adults who had laparoscopic surgery with a breathing tube. Researchers measured how long the tube's cuff pressure was too high and checked if that led to a sore throat after surgery. The goal was to see if there is a link between cuff overpressure and sore throat, which could help improve patient comfort in the future.

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 the findings are clear, this could help doctors adjust tube cuff pressure to reduce sore throat after surgery.
What could go wrong
This is an observational study, not a treatment trial. It can show a link but cannot prove that changing cuff pressure will prevent sore throat.

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

337 people

The number who actually took part.

Started

Oct 2022

Finished

Aug 2025

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

Adult patients undergoing laparoscopic surgery and endotracheal intubation under general anesthesia

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: \- Patients undergoing laparoscopic surgery and endotracheal intubation under general anesthesia Exclusion Criteria: * Patients who already had sore throat and hoarseness before surgery * Patients who were expected to have anticipated difficult airway * Surgery duration \< 1 hour

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Conditions

The condition(s) this trial relates to.

Hoarseness pharyngitis

As listed by the trial registrant

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

Laparoscopic surgery Sore throat Tracheal intubation morbidity

Contacts and locations

Locations

  • Hyun-Kyu Yoon

    Seoul, South Korea

  • Seoul national university hospital

    Seoul, Please Select An Option, 03080, South Korea

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