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First-Time shoulder dislocation: surgery may not be needed, trial aims to find out

NCT ID NCT05715021

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study compares surgery (arthroscopic stabilization) to non-surgical care for people who have dislocated their shoulder for the first time. Researchers will track 100 participants aged 14 to 40 over two years to see which approach leads to fewer repeat dislocations and better shoulder function. The main goal is to see if a larger, more definitive trial is possible.

What this could mean

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

Active substance
arthroscopic shoulder stabilization surgery (Bankart + Remplissage procedure)
What this could lead to
If surgery proves better, it could become the standard treatment for first-time shoulder dislocations, reducing the chance of repeat dislocations and improving long-term shoulder function.
What could go wrong
This is a small pilot study focused on feasibility, not a large definitive trial. Surgery carries risks like infection, stiffness, or nerve injury, and conservative care may work just as well for many patients.

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 100 people

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

Started

Jul 2023

Expected to finish

Mar 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

14 to 40 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 ages 14-40 years; 2. Diagnosis of first-time shoulder anterior dislocation having occurred within the past 3 months confirmed either by radiographic evidence or documented reduction of anterior shoulder dislocation as well as physical examination eliciting unwanted glenohumeral translation with reproduction of symptoms; 3. Provision of informed consent. Exclusion Criteria: 1. Patients that cannot undergo surgery or anesthesia; 2. Patients with concomitant injuries (rotator cuff tear, fracture) 3. Previous shoulder surgery; 4. Patients that will likely have problems with maintaining follow-up or are incarcerated; 5. Epilepsy/seizure disorder; 6. Pregnancy; 7. Diagnosis of multidirectional instability; 8. Bony glenoid defect (bony Bankart) \>10% as measured on preop imaging; 9. Dislocation without trauma, in a context of hyper laxity or atraumatic instability; 10. Cases involving litigation or workplace insurance claims (e.g., WSIB).

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Conditions

The condition(s) this trial relates to.

injury Shoulder Dislocation

As listed by the trial registrant

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

Anterior dislocation Shoulder dislocation Sport injury

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

  • St. Joseph's Healthcare Hamilton

    RECRUITING

    Hamilton, Ontario, L8N 4A6, Canada

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