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Can a new nerve block beat standard pain relief for shoulder surgery?

NCT ID NCT03691922

Symptom relief Sponsor: McMaster University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This trial tests whether a newer nerve block, called the Erector Spinae Plane (ESP) block, provides better pain relief after arthroscopic shoulder surgery than the standard periarticular infiltration (PAI) of local anesthetic. Half of the participants will receive the ESP block before surgery, while the other half will get the standard infiltration. The study measures pain scores and opioid use in the recovery room and for the first 24 hours after surgery, aiming to find a technique that reduces pain with fewer side effects.

What this could mean

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

Active substance
Erector Spinae Plane (ESP) block with bupivacaine and epinephrine, compared to periarticular infiltration (PAI) with the same anesthetic
What this could lead to
If the ESP block works better, it could offer a safer, more effective way to manage pain after shoulder surgery, reducing opioid use and side effects.
What could go wrong
This is a small, early-stage trial, and the ESP block may not prove superior to the standard approach. There are also risks like nerve block complications or allergic reactions.

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

62 people

The number who actually took part.

Started

Jul 2019

Finished

Feb 2021

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

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: * elective arthroscopic shoulder joint surgeries admitted for day surgical procedure * an ability to provide informed consent Exclusion Criteria: * not willing * contraindications to spinal injections as per the American Society of Regional Anesthesia and Pain (ASRA) guidelines * known allergy to LA * allergy to all opioid medications * diagnostic shoulder arthroscopic procedures * inability to understand or comprehend in English language * history of daily opioid medication use for the last one month * patients with planned overnight hospital stay

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Conditions

The condition(s) this trial relates to.

agnosia Pain

As listed by the trial registrant

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

Arthroscopic shoulder surgery

Contacts and locations

Locations

  • St. Joseph's Healthcare Hamilton

    Hamilton, Ontario, L8N 4A6, Canada

More trials for these conditions

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