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
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Department of Orthopaedic Surgery Cleveland Clinic
Cleveland, Ohio, 44195, United States
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Duke University Medical Center
Durham, North Carolina, 27703, United States
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Kaleida Health, Department of Orthopaedic Surgery, Buffalo General Hospital
Buffalo, New York, 14203, United States
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Michigan Orthopaedic Center
Lansing, Michigan, 48910, United States
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Musculoskeletal Institute, University of Texas Health Austin
Austin, Texas, 78712, United States
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Syracuse Orthopedic Specialists, PC
Syracuse, New York, 13214, United States