Knee device under review: will it stand the test of time?

NCT ID NCT04636190

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how well a specific knee replacement device, the Triathlon All-Polyethylene Tibia, works in people with knee arthritis. Researchers will follow 204 patients who already have the device to see how their knee function and pain change over time. The goal is to check the device's long-term performance and survival.

What this could mean

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

Active substance

Triathlon All-Polyethylene Tibia knee device

What this could lead to

If successful, this study could confirm that this knee replacement device provides good long-term function and durability for patients with knee arthritis.

What could go wrong

This is an observational study, not a randomized trial, so results may be less definitive. The device is already on the market, so this is a post-market check, not a breakthrough.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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.

Contacts and locations

Locations

  • Department of Orthopaedic Surgery Cleveland Clinic

    Cleveland, Ohio, 44195, United States

  • Duke University Medical Center

    Durham, North Carolina, 27703, United States

  • Kaleida Health, Department of Orthopaedic Surgery, Buffalo General Hospital

    Buffalo, New York, 14203, United States

  • Michigan Orthopaedic Center

    Lansing, Michigan, 48910, United States

  • Musculoskeletal Institute, University of Texas Health Austin

    Austin, Texas, 78712, United States

  • Syracuse Orthopedic Specialists, PC

    Syracuse, New York, 13214, United States