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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05003414
Other study ID # P02.014.26
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 14, 2020
Est. completion date December 31, 2032

Study information

Verified date March 2023
Source Medacta International SA
Contact Denise Falcone
Phone +41916966060
Email falcone@medacta.ch
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This is a Post-Marketing Surveillance study of GMK Sphere cementless knee prosthesis.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date December 31, 2032
Est. primary completion date January 31, 2030
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: - A disabled or severely disabled joint as a result of arthritis, traumatic arthritis, rheumatoid arthritis, poly-arthritis or avascular necrosis - Patients between the age of 18 and 80 at the time of consent - Listed for total knee replacement surgery. - Patients who are willing and able to give informed written consent Exclusion Criteria: - Progressive local or systemic infection - Muscular loss, neuromuscular disease or vascular deficiency of the affected limb, making the operation unjustifiable - Severe instability secondary to advance destruction of condralar structures or loss of integrity of the medial or lateral ligament - Those whose prospects for a recovery to independent mobility would be compromised by known coexistent, medical problems - Patient whose BMI exceeds 40 - Any case not described in the inclusion criteria

Study Design


Intervention

Device:
GMK Sphere cementless Knee Replacement
Performance of Total Knee Arthroplasty (TKA) with GMK Sphere cementless Knee Replacement

Locations

Country Name City State
France Clinique Saint Vincent de Paul Bourgoin-Jallieu
France Clinique du Parc Caen
France Hôpitaux Civils de Colmar Colmar
France Clinique des Acacias Cucq
Switzerland Hôpital de la Tour Meyrin

Sponsors (1)

Lead Sponsor Collaborator
Medacta International SA

Countries where clinical trial is conducted

France,  Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Survival rate Kaplan Meier method 10 years
Secondary Clinical outcome: Knee Society score Knee Society Score (KSS): evaluates pain, in a total of 50 points, stability, 25 points, and range of motion, 25 points. The maximum score of 100 points is reached when there is no pain, with good alignment of the knee in extension, and at least 125° of range of motion, without any anteroposterior or mediolateral instability. Preop and 1, 2, 5, 10 years postop
Secondary Patient-reported outcome: Forgotten Joint Score Forgotten Joint Score (FJS) is a patient-reported outcome measure intended to determine a patient's ability to "forget" about their affected joint after surgery or treatment.It consists of 12 questions and is scored on a 0-100 scale. The higher the score, the less the patient is aware of their affected joint when performing daily activities 1, 2, 5, 10 years postop
Secondary Radiographic performance of the implants looking for radiolucencies, migration, loosening, subsidence Presence of radiolucencies, migration, loosening, subsidence Immediately postop + 1, 2, 5, 10 years postop
Secondary Intraoperative and postoperative Adverse events Intraoperative and postoperative adverse events Intraop + Immediately postop + 1, 2, 5, 10 years postop
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