New knee implant helps patients forget they have a fake joint

NCT ID NCT02501733

Completed Symptom relief Sponsor: Medacta USA Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 02, 2026 · Updated 25 times

Summary

This study followed 260 people with osteoarthritis who received a Medacta GMK Sphere® knee replacement. The main goal was to see how well patients could forget about their artificial knee in daily life after 2 and 5 years. Researchers also measured pain, function, and activity levels. The study is complete and helps doctors understand how this implant performs over time.

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Contacts and locations

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Locations

McBride Orthopedic Hospital

Oklahoma City, Oklahoma, 73103, United States
Norhtwestern University

Chicago, Illinois, 60611, United States
Spokane Joint Replacement Center

Spokane, Washington, 99218, United States
Texas Orthopedics

Austin, Texas, 78759, United States
Tulane University

New Orleans, Louisiana, 70112, United States

Conditions

Explore the condition pages connected to this study.

OSTEOARTHRITIS