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New study aims to solve mystery of shoulder implant loosening

NCT ID NCT06154694

Knowledge-focused Sponsor: Universitaire Ziekenhuizen KU Leuven 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how the bones in the shoulder joint touch each other in people with shoulder arthritis, both before and after they get a shoulder replacement. The goal is to find out why some shoulder implants loosen over time. Researchers will use special X-rays and CT scans to compare patients with arthritis to healthy volunteers.

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.

Participants

About 156 people

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

Started

Nov 2021

Expected to finish

Jul 2050

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.

Who is studied

Both OA patients and Healthy control group are screened in UZ Leuven for the prospective part of this study. Revised TSA patients because of glonoid component loosening are screened for the retrospective part of the study.

Ages

18 years and older

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: OA patients group * Patients with glenohumeral osteoarthritis planned for anatomic shoulder arthroplasty in the University Hospitals Leuven, Belgium * Complete patient informed consent * Pain free at the time of EOS imaging Healthy control group * Healthy adult volunteers with no history of shoulder pain or trauma * Confirmation of the physician, that subject's clinical evaluation and CT scan did not show any abnormalities * Complete informed consent Revised TSA group * Patients with glenohumeral osteoarthritis who received an anatomic shoulder arthroplasty at the University Hospitals Leuven within the past 30 years, and who have been revised for loosening of the glenoid component. * At least 1 postoperative CT scan available Exclusion Criteria: Only patients with a functional TSA will be included, so patients with postoperative stiffness, pain, instability or pseudoparalysis will be excluded.

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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.

Osteoarthritis of shoulder

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

  • UZ Leuven

    RECRUITING

    Leuven, Vlaams-Brabant, 3000, Belgium

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