Multi-center Study of the Safety and Performance of Primary Total Knee Arthroplasty With LEGION™ Porous HA Tibial Baseplates (With and Without Holes) and/or the LEGION™ Porous HA CR Femoral Component in US Centers
Sponsor study identifier
observational
118
1 country
2
Study Start
May 22, 2019
Actual (reported)Primary Completion
January 23, 2031
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
December 31, 2032
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 31, 2032
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 19, 2018
Actual (reported)October 25, 2018
Actual (reported)May 22, 2019
Actual (reported)January 23, 2031
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
December 31, 2032
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Implant survivorship 10 years post-surgery
10 years
Quality of life - KOOS JR
10 years
Quality of Life - Forgotten Joint Score (FJS)
10 years
Quality of life - EQ-5D-5L
10 years
Implant survivorship
5 years
Radiographic findings
10 years
LEGION Porous HA Tibial Baseplate (with and without holes) and/or the LEGION Porous HA CR Femoral Component
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Maximum of 150 subjects enrolled to obtain a minimum of 150 implanted components: * Maximum of 75 subjects to obtain a minimum of 75 implanted tibial baseplate components (with or without holes) to attain 30 evaluable baseplates with holes and 30 evaluable baseplates without holes (i.e. a combined total of 60 evaluable implanted baseplate components) * Maximum of 75 subjects to obtain a minimum of 75 implanted LEGION Porous HA CR Femoral Components to attain 60 evaluable components. Note: Some subjects may have received both the LEGION Porous HA Tibial Baseplate (with or without holes) and the LEGION Porous HA CR Femoral Component during their TKA procedure.
Twin Cities Orthopedics
Coon Rapids, Minnesota, 55434, United States
Saint Louis University Hospital, Dept. of Orthopaedic Surgery
St Louis, Missouri, 63104, United States
Karlie Morgan
Smith & Nephew, Inc.
118 participants (actual enrollment reported by the registry).
First Submitted
October 19, 2018
First Posted
October 25, 2018
Study Start
May 22, 2019
Actual (reported)A Post-Market Domestic (US) and International Data Collection to Assess the Truliant Knee System
The PATH Study to Promote Physical Activity After Knee Replacement
Contact the study team to confirm eligibility.
Primary Completion
January 23, 2031
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
December 31, 2032
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
April 23, 2026
Record last verified: 2026-04
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Source: ClinicalTrials.gov.
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