Stopped: Recruitment too slow
This clinical study is a Post-Market Clinical Follow-Up (PMCF) measure and is aiming to compare the in-vivo wear behaviour of the Columbus® total knee prosthesis between the standard Cobalt Chromium (CoCr) and the multilayer coated so called "Advanced Surface" (AS) of the same implant. The clinical investigation is designed as a International, prospective, longterm non-interventional study in order to gain clinical data of many patients within the routine clinical application of the investigational device.
Age range
45 Years – 75 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Polyethylene wear over time
Timeframe: until 10 years postoperatively