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New knee implant put to the test for Long-Term stability

NCT ID NCT05226689

Disease control Sponsor: Canadian Radiostereometric Analysis Network 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 stable a new type of knee replacement part (the tibial baseplate) is over time. It involves 31 people with knee osteoarthritis who are getting a total knee replacement. Researchers will use special X-rays to measure any movement of the implant between 6 months and 2 years after surgery.

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

31 people

The number who actually took part.

Started

Apr 2022

Expected to finish

Jul 2026

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

21 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: * Symptomatic osteoarthritis of the knee indicating primary unilateral total knee arthroplasty * Sufficient ligamentous function to warrant retention of the posterior cruciate ligament * Aged 21 years or older * Patients willing and able to comply with follow-up requirements and self-evaluations * Ability to give informed consent Exclusion Criteria: * Active or prior infection * Medical condition precluding major surgery * Known medical condition limiting patient life expectancy to \< 2 years * Expected to receive contralateral TKA within 1 year * Inflammatory arthropathy * Prior patellectomy * PCL deficiency * Major (\>25 degree) coronal plane deformity * Bilateral coronal plane deformity requiring simultaneous bilateral TKA * Bone defects requiring augments, cones and/or stemmed implants * Body Mass Index greater than 40

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

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

Knee osteoarthritis

Contacts and locations

Locations

  • Concordia Hospital

    Winnipeg, Manitoba, R2K 3S8, Canada

  • London Health Sciences Centre

    London, Ontario, N6A 5W9, Canada

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