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Custom 3D-Printed guides could make shoulder replacements more accurate

NCT ID NCT03839758

Disease control Sponsor: Université de Montréal 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether using a personalized 3D-printed guide during shoulder replacement surgery leads to more accurate placement of the artificial joint. Researchers will compare the precision, bone loss, and surgery time between patients who get the custom guide and those who have standard surgery. The trial involves 112 adults with shoulder arthritis who are getting a total or reverse shoulder replacement.

What this could mean

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

Active substance
personalized 3D-printed surgical guide
What this could lead to
If it works, this could make shoulder replacement surgery more precise, reducing complications and improving long-term outcomes.
What could go wrong
This is a relatively small, early-stage study focused on surgical technique, not a new drug or cure. The personalized guide may not significantly improve results over standard methods.

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 112 people

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

Started

Oct 2019

Expected to finish

Dec 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

18 to 99 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: * Patients with shoulder osteaoarthritis and AVN Exclusion Criteria: * Patients with previous shoulder arthroplasty * Patients with inflammatory arthritis and tumor * Patients with previous shoulder surgery with metal implant * Patients refusing 2-year follow-up * Patients that does not speak English or French * Patients with current or previous shoulder infection * Patients with graft during surgery

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Conditions

The condition(s) this trial relates to.

avascular necrosis osteoarthritis

As listed by the trial registrant

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

Shoulder arthritis

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

  • Hôpital du Sacré-Cœur de Montréal

    RECRUITING

    Montreal, Quebec, H4J 1C5, Canada

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