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Deeper anesthesia may shield Kids' hearts during strabismus surgery

NCT ID NCT05882643

Symptom relief 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether giving children a deeper level of muscle relaxation during strabismus (crossed eyes) surgery could prevent a sudden drop in heart rate, known as the oculocardiac reflex. The trial involved 201 children aged 3 to 18 years. Researchers compared two levels of muscle blockade using the drug rocuronium to see which better protected the heart during the procedure.

What this could mean

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

Active substance
rocuronium
What this could lead to
If it works, this could lead to safer anesthesia practices for children having eye muscle surgery, reducing the risk of heart rate complications.
What could go wrong
This is a completed early-stage study with a modest sample size. The results may not apply to all children or surgeries, and deeper muscle relaxation carries its own anesthesia risks.

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

201 people

The number who actually took part.

Started

Oct 2024

Finished

Nov 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.

Ages

3 to 18 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Pediatric patients between the ages of 3 and 18 who are American Society of Anesthesiologists physical classification (ASA) I, II, or III scheduled for strabismus surgery under general anesthesia. Exclusion Criteria: * Patients with underlying cardiovascular disease * Patients with preoperative electrocardiograms showing conduction disturbances * Patients with neuromuscular disease * Any other patient who, in the opinion of the investigator, is not a good candidate for the study.

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Conditions

The condition(s) this trial relates to.

strabismus

As listed by the trial registrant

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

Strabismus

Contacts and locations

Locations

  • Seoul National University Hospital

    Seoul, South Korea

More trials for these conditions

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