Status:

ACTIVE_NOT_RECRUITING

A Global Clinical Study Investigating the Safety and Effectiveness of Smith and Nephew's Porous Knee System in Patients Who Need a Total Knee Replacement Due to Degenerative Arthritis, Post-traumatic Arthritis or Inflammatory Arthritis

Lead Sponsor:

Smith & Nephew, Inc.

Conditions:

Osteoarthritis

Post-traumatic Arthritis

Eligibility:

All Genders

18-80 years

Brief Summary

A clinical trial investigating the safety and effectiveness of Smith and Nephew's FDA-approved Porous Total Knee System, which is used to replace worn away and diseased knee joints. The aim of this st...

Detailed Description

Patients who need a total knee replacement or have recently had a total knee replacement with the Smith and Nephew Porous Total Knee System will be enrolled into the study. Before surgery X-rays will ...

Eligibility Criteria

Inclusion

  • A) Subject needing primary TKA due to degenerative joint disease (primary diagnosis of osteoarthritis), post-traumatic arthritis or inflammatory arthritis.
  • OR
  • B) Subject has undergone primary TKA with Smith+Nephew Porous knee system in past 12 months to repair degenerative joint disease, post- traumatic arthritis or inflammatory arthritis and all the following conditions have been met:
  • Preoperative KOOS JR and radiographs have been obtained
  • 6-Month KOOS JR and radiographs have been obtained or these can be collected prospectively in window per schedule of events
  • Subject agrees to consent and to follow the prospective study visit schedule (as defined in the study protocol and informed consent form) by signing the Independent Review Board (IRB)/Independent Ethics Committee (IEC) approved informed consent form.
  • Subject is willing to attend study follow-up visits for up to five (5) years post-surgery.
  • Subject is able to read, understand, and communicate responses to Patient Reported Outcome assessments.
  • Subject is 18-80 years old (inclusive).

Exclusion

  • Subject received TKA on the contralateral knee as a revision for a previously failed total or unicondylar knee arthroplasty.
  • Subject has a Body Mass Index (BMI) ≥ 40 at time of surgery.
  • Subject has ipsilateral hip arthritis resulting in flexion contracture.
  • At the time of enrolment, subject has one or more of the following arthroplasties that are not fully healed and well-functioning, as determined by the investigator: Ipsilateral or contralateral primary total hip arthroplasty or hip resurfacing arthroplasty; Contralateral primary total knee or unicondylar knee arthroplasty.
  • Subject has a condition that may interfere with the TKA survival or outcome (e.g. Paget's or Charcot's disease, vascular insufficiency, lupus, muscular atrophy, uncontrolled diabetes, moderate to severe renal insufficiency or neuromuscular disease).
  • Subject has a known allergy to one or more of its components of the study device.
  • Any subject with hardware present in distal femur or proximal tibia.
  • Any subject that meets the definition of a Vulnerable Subject per ISO 14155 Section 3.55.
  • Subject is entered in another drug, biologic, or device study or has been treated with an investigational product in the past 30 days.
  • Subject, in the opinion of the Investigator, has an emotional or neurological condition that would pre-empt their ability or willingness to participate in the study including mental illness, drug or alcohol abuse.
  • Subject is known to be at risk for lost to follow-up, or failure to return for scheduled visits.
  • Women who are pregnant, nursing, or of child-bearing potential who are not utilizing highly effective birth control measures.
  • Subjects who have participated previously in this clinical trial and who have been withdrawn.

Key Trial Info

Start Date :

December 21 2021

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

December 25 2028

Estimated Enrollment :

299 Patients enrolled

Trial Details

Trial ID

NCT05197036

Start Date

December 21 2021

End Date

December 25 2028

Last Update

August 6 2024

Active Locations (21)

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Page 1 of 6 (21 locations)

1

Emory Orthopaedics and Spine Hospital

Atlanta, Georgia, United States, 30084

2

University of Kentucky

Lexington, Kentucky, United States, 40506

3

Massachusetts General Hospital

Boston, Massachusetts, United States, 02114

4

The Core Institute

Novi, Michigan, United States, 48374