Safety and Performance Study of the Legion Porous System in Total Knee Arthroplasty
← catalyst calendarNCT03720782 · readout in 1,618 d
Sponsored by Smith & Nephew, Inc. (industry) · SNN — their whole pipeline →.
Phase
—
Status
Active, not recruiting
Study type
Observational
Enrollment
118actual
Sites
2
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2019-05-22 | actual | When the study began enrolling |
| Primary completion | 2031-01-23 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2032-12-31 | estimated | The whole study's end, after follow-up |
| First posted | 2018-10-25 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-04-23 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Total Knee Arthroplasty
Intervention
- Device: LEGION Porous HA Tibial Baseplate and/or the LEGION Porous HA CR Femoral Component
Primary outcome
what the primary-completion date above is the date OFImplant survivorship 10 years post-surgery
measured 10 years
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