Clinical Trial

Safety and Performance Study of the Legion Porous System in Total Knee Arthroplasty

Active, Not Recruiting
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Summary
The purpose of this research is to collect data on patients that had the Legion Porous HA Tibial Baseplates and/or the Legion Porous HA Femoral component implanted in the past. Smith \& Nephew will evaluate the safety and performance of these implants for 10 years post-surgery.
Protocol Amendment History 14 amendments
This ClinicalTrials.gov record has been amended 14 times since 2018-10-24; most recent amendment 2026-04-21.
Status change: Recruiting → Active, Not Recruiting 2023-11-15
Status change: Not Yet Recruiting → Recruiting 2019-07-25
Trial Details
NCT Number NCT03720782
Lead Sponsor Smith & Nephew, Inc.
Conditions Total Knee Arthroplasty
Enrollment 118 participants
Start Date 2019-05-22
Primary Completion 2031-01-23 (estimated)
Study Completion 2032-12-31 (estimated)
Updated on ClinicalTrials.gov 2026-04-23