Sponsor study identifier
observational
186
1 country
1
Study Start
April 12, 2022
Actual (reported)Primary Completion
June 27, 2023
Actual (reported)Study Completion
June 27, 2023
Actual (reported)The aim of this observational study is to investigate if there is any difference in survival rate, clinical and radiological results after total knee replacement with vitamin E-blended polyethylene in comparison to conventional polyethylene at minimum 7-year follow-up
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
June 27, 2023
Actual (reported)Click on a node to explore related trials.
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.
April 12, 2022
Actual (reported)March 28, 2023
Actual (reported)April 12, 2023
Actual (reported)June 27, 2023
Actual (reported)June 27, 2023
Actual (reported)December 6, 2024
Actual (reported)Implant Survival for Aseptic Loosening
Kaplan-Meier cumulative survival with revision due to aseptic loosening as the end-point
10-year follow-up
Implant Survival for Any Reason
10-year follow-up
Forgotten Joint Score (FJS-12)
At mean follow-up of 8.5 years and 8.3 years for Vitamin E and Polyethylene, respectively
American Knee Society Score (KSS)
At mean follow-up of 8.5 years and 8.3 years for Vitamin E and Polyethylene, respectively
Periprosthetic Radiolucent Line
At mean follow-up of 8.5 years and 8.3 years for Vitamin E and Polyethylene, respectively
Periprosthetic Osteolysis
At mean follow-up of 8.5 years and 8.3 years for Vitamin E and Polyethylene, respectively
Patients who received cemented total knee arthroplasty with vitamin E blended polyethylene mobile bearing
Patients who received cemented total knee arthroplasty with conventional polyethylene mobile bearing
Total knee arthroplasty with a cemented mobile bearing bicompartmental knee prosthesis
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Patients who received primary cemented total knee arthroplasty with GKS Prime Flex Mobile knee by Permedica Orthopaedics with vitamin E polyethylene bearing or with conventional polyethylene bearing
Ospedale Centro Ortopedico di Quadrante
Omegna, Verbania, 28887, Italy
Higher than expected number of knees lost to follow-up. Non homogeneous groups for age, gender, and BMI, which might have biased results.
Marco Spezia, MD
Ospedale Centro Ortopedico di Quadrante
186 participants (actual enrollment reported by the registry).
First Submitted
March 28, 2023
First Posted
April 12, 2023
Study Start
April 12, 2022
Actual (reported)Assessment of Efficacy of a Single Intra-articular Injection of HYALUBRIX 60 in Knee Osteoarthritis
Contact the study team to confirm eligibility.
Primary Completion
June 27, 2023
Actual (reported)Study Completion
June 27, 2023
Actual (reported)Last Updated
January 3, 2025
Results First Posted
December 6, 2024
Record last verified: 2024-10
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
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