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

NCT ID NCT04636190

Ongoing Disease control Sponsor: Stryker Orthopaedics Source: ClinicalTrials.gov ↗

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.

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.

ARTHROPATHY OF KNEE KNEE ARTHRITIS REPLACEMENT

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

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