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New pain block could spare kids opioids after tonsil surgery

NCT ID NCT07176533

Symptom relief Sponsor: London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a nerve block (injecting numbing medicine near the cheekbone) can control pain after tonsillectomy in children aged 3-9, reducing the need for opioids. Sixty kids having tonsil surgery for sleep apnea will be randomly assigned to get either the nerve block or a placebo. The main goal is to see if the block lowers opioid use right after surgery and for two weeks afterward.

What this could mean

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

Active substance
bupivacaine (a local anesthetic) given as a nerve block
What this could lead to
If it works, this could provide a safer, opioid-free way to manage pain after tonsillectomy in children, reducing side effects and addiction risk.
What could go wrong
This is a small, early-stage trial with only 60 children. The nerve block may not work as well as hoped, or could have unexpected side effects like temporary facial numbness.

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

About 60 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Jan 2028

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.

Ages

3 to 9 years

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: 1. Patients undergoing coblation intracapsular tonsillectomy or adenotonsillectomy for sleep apnoea. 2. Between 3-9 years old (inclusive). 3. Patient(s) and guardian(s) can consent to participate in the study. 4. Legal guardian(s) can read and write in English. Exclusion Criteria: 1. Patient or legal guardian refusal to participate in the study. 2. Emergency surgery. 3. Allergies to local anesthetics. 4. Patients with coagulopathy. 5. Congenital facial abnormalities including (but not limited to) hemifacial microsomia, maxillary hypoplasia, Treacher-Collins syndrome, and Goldenhar syndrome. 6. Developmental delay or neurological impairment including (but not limited to) Trisomy 21, cerebral palsy, and autism spectrum disorder. 7. Previous airway surgery or a known or predicted airway difficulty.

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Conditions

The condition(s) this trial relates to.

agnosia sleep apnea syndrome tonsillitis

As listed by the trial registrant

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

Tonsillitis

How to take part

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  1. 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 ↗

  2. A doctor treating you

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