New knee implant put to the stability test
NCT ID NCT04017533
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how well a new type of uncemented knee implant stays in place over time in people with knee osteoarthritis. Researchers measured implant movement and bone quality in 31 patients who had knee replacement surgery. The goal was to check if the implant is safe and stable without using bone cement.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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31 people
The number who actually took part.
- Started
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Sep 2021
- Finished
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Oct 2024
- Lead sponsor
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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
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50 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Patients referred to Oslo University Hospital, Ullevål for knee replacement surgery will be included to this study for a total of 30 subjects. Exclusion Criteria: 1. 75 and more years of age at the time of surgery 2. Use of walking aids because of other muscoloskeletal and neuromuscular problems 3. Preoperative diagnosis other than osteoarthritis and avascular necrosis (e.g. rheumatoid arthritis, tumors) 4. Obesity with BMI\>35 5. Lateral collateral ligament deficient knee 6. Reduced bone quality in the proximal tibia before surgery 7. Insufficient language to answer questionnaires in Norwegian
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Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Oslo University Hospital
Oslo, 0470, Norway
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Other studies related to the condition(s) this trial covers.
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