Safety and Performance of the Journey™ II UNI Unicompartmental Knee System

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

154 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-08-10

Study Completion Date

2025-05-19

Brief Summary

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This clinical study will evaluate the early to midterm safety and performance of the JOURNEY™ II UNI UKS in patients with non-inflammatory degenerative joint disease of the knee requiring lateral or medial knee compartment replacement. Clinical, radiographic, health economic and safety outcomes will be evaluated.

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Detailed Description

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To assess the safety and performance of the JOURNEY™ II UNI UKS in patients with unicompartmental degeneration of the knee by demonstrating non-inferiority of the cumulative percent implant survival in subjects with the JOURNEY™ II UNI UKS implanted, compared to a literature reference rate of 91.7% (AOA annual report 2015)12 at 5 years.

Conditions

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Non-inflammatory Degenerative Joint Disease (NIDJD) of the Knee

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Interventions

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Journey™ II UNI Unicompartmental Knee System

Journey™ II UNI UKS is a CE Marked medical device. The device has been designed to treat both medial and lateral unicompartmental disease.

It is a comprehensive system designed to allow surgeons to perform UKA. It is comprised of the following anatomic components: Oxidized zirconium femoral components Titanium tibial components with a grit-blasted surface Polyethylene tibial insert components The device is asymmetric and is available in oxidized zirconium to reduce wear and increase implant longevity.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Subjects must meet all of the following criteria for inclusion in the study.

1. Unicompartmental, NIDJD, including OA, traumatic arthritis, or avascular necrosis.
2. Eighteen (18) years of age or older at the time of surgery.
3. Skeletally mature in the judgement of the PI.
4. Has met an acceptable preoperative medical clearance and is free of (or acceptably managed) cardiac, pulmonary, hematological, infection, or other conditions that would pose an excessive operative risk.
5. Willing and able to participate in required follow-up visits at the investigational site and to complete study procedures and questionnaires.
6. Consented to participate in the study by signing the EC-approved ICF.

Exclusion Criteria

* Subjects meeting any of the following criteria must be excluded from participation in the study.

1. Correction of functional deformity.
2. Revision procedures where other treatments or devices have failed.
3. Treatment of fractures that are unmanageable using other techniques.
4. Inadequate bone stock to support the device which would make the procedure unjustifiable, including but not limited to severe osteopenia/osteoporosis or family history of severe osteoporosis/osteopenia.
5. Body Mass Index (BMI) \> 40.
6. Collateral ligament insufficiency.
7. Active infection, treated or untreated, systemic or at the site of the planned surgery or previous intra-articular infections.
8. Incomplete or deficient soft tissue surrounding the knee.
9. Conditions that may interfere with the UKA survival or outcome, including but not limited to Paget's disease, Charcot disease, vascular insufficiency, muscular atrophy, uncontrolled diabetes, renal insufficiency or neuromuscular disease.
10. Diagnosis of an immunosuppressive disorder.
11. Known allergy to study device or one or more of its components.
12. Pregnant or planning to become pregnant during the course of the study.
13. Subject, in the opinion of the PI, has an emotional or neurological condition that would pre-empt their ability or willingness to participate in the study including mental illness, mental retardation

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No