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Which shoulder surgery is better for arthritis? new study aims to find out

NCT ID NCT07226388

Disease control Sponsor: Washington University School of Medicine 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two types of shoulder replacement surgery for people with glenohumeral osteoarthritis: hemiarthroplasty with a pyrocarbon implant and total shoulder arthroplasty. Researchers will track 74 participants for 10 years to see which surgery provides better pain relief and function. The goal is to help surgeons and patients make more informed treatment decisions.

What this could mean

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

Active substance
Hemiarthroplasty with pyrocarbon (device) and anatomic total shoulder arthroplasty (device)
What this could lead to
If successful, this could help doctors choose the best surgical option for shoulder osteoarthritis, potentially improving pain relief and function.
What could go wrong
This is a relatively small study (74 people) and results may not apply to everyone. Surgery always carries risks like infection or implant failure.

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 74 people

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

Started

Feb 2026

Expected to finish

Feb 2040

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

40 to 65 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. Fluent in English language 2. Willing to sign an informed consent form 3. Willing to comply with all study procedures and be available for the duration of the study 4. Age 40 to 65 years 5. In good general health as evidenced by medical history 6. Surgical indication of glenohumeral osteoarthritis 7. In the opinion of the surgeon, there is clinical equipoise for the subject to be implanted with a humeral hemiarthroplasty with pyrocarbon or anatomic total shoulder arthroplasty Exclusion Criteria: 1. Presence of Walch Type C or D glenoid 2. Presence of a glenoid that could not be reconstructed with the anatomic glenoid resurfacing components 3. Presence of extreme preoperative glenoid deformity including uniplanar retroversion deformity \>30 o or severe biplanar deformity (retroversion \>20 o and inclination \> 10 o). 4. Workers' compensation case 5. Presence of full-thickness rotator cuff tear 6. Known allergic reactions to components of the study product(s) 7. History of consistent narcotic use within three months of surgery 8. History of chronic oral corticosteroid use 9. History or current drug or alcohol abuse 10. In the surgeon's opinion, the subject will be non-compliant with the study protocol.

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Conditions

The condition(s) this trial relates to.

osteoarthritis

As listed by the trial registrant

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

Glenohumeral osteoarthritis

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Washington University

    St Louis, Missouri, 63110, United States

More trials for these conditions

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