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

NCT ID NCT06189872

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 30 people with knee osteoarthritis who receive a cementless total knee replacement. Researchers use special X-ray techniques to measure how much the implant moves over two years. The goal is to see if the implant stays firmly in place, which could mean better outcomes and fewer repeat surgeries.

What this could mean

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

Active substance
Attune Cementless total knee replacement system (device)
What this could lead to
If successful, this could show that the cementless knee implant is stable and durable, potentially leading to better long-term function and fewer revision surgeries for people with knee osteoarthritis.
What could go wrong
This is a small, early study with only 30 participants and no comparison group. The results may not apply to all patients, and the implant could still loosen or cause complications over time.

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 30 people

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

Started

Oct 2024

Expected to finish

Jun 2027

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 total knee arthroplasty * Patients aged 21 years or older * Sufficient ligamentous function to warrant retention of the posterior cruciate ligament * Patients willing and able to comply with follow-up requirements and self-evaluations * Ability to give informed consent Exclusion Criteria: * Active or prior infection of ipsilateral extremity * Medical condition precluding major surgery * Inflammatory arthropathy * Posterior cruciate ligament (PCL) deficiency * Major coronal plane deformity * Conditions that are cautioned against or contraindicated, as listed in the product monograph and/or instruction for use * Bone defects requiring augments, cones and/or stemmed implants

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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.

Osteo arthritis knee

Contacts and locations

Locations

  • London Health Sciences Centre

    London, Ontario, N6A 5W9, Canada

  • Nova Scotia Health - Orthopedic

    Halifax, Nova Scotia, B3H 2E1, Canada

  • Orthopaedic Innovation Centre

    Winnipeg, Manitoba, R2K 2M9, Canada

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