New knee implant could last longer without cement

NCT ID NCT02578446

Ongoing Disease control Sponsor: Region Skane Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests a new uncemented knee replacement made with a porous metal called Tritanium, which may help bone grow into the implant for stronger fixation. It compares this to the standard cemented knee replacement in 72 patients with osteoarthritis. The goal is to see if the new implant moves less and lasts longer, potentially reducing the need for revision surgery.

What this could mean

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

Active substance: Uncemented Triathlon Tritanium CR Total Knee System (device) vs Cemented Triathlon CR Total Knee System (device)
What this could lead to: If successful, this could lead to a more durable knee replacement that lasts longer without loosening, especially for younger, active patients.
What could go wrong: This is a small, early-stage study (72 patients) comparing two devices. The new implant may not perform better than the standard cemented one, and long-term results are not yet available.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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.

ARTHROPLASTY KNEE REPLACEMENT

Contacts and locations

Locations

Department of Orthopaedics Hässleholm-Kristianstad-Ystad, Hässleholm Hospital

Hässleholm, 28138, Sweden
Leiden University Medical Center

Leiden, 2300RC, Netherlands

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