Knee Osteoarthritis Clinical Trial
Official title:
Comparing the Migration and Inducible Displacement Through RSA of the Cementless ATTUNE Rotating Platform and the Cementless LCS Rotating Platform Knee System; A Clinical Randomized Controlled RSA Follow-up Study
Verified date | April 2024 |
Source | Spaarne Gasthuis |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The cementless ATTUNETM Rotating Platform Knee system was compared in a single-blind, randomized RSA trial to its predecessor, the LCS rotating platform Knee System. In this previous study, 61 knees were subjected to RSA examinations at 1-day and 3, 6, 12 and 24 months postoperative. This study found a promising equal migration of both tibial components and a lesser migration of the femoral component of the ATTUNETM knee system after two years, although with a similar migration rate between year 1 and 2. this raises the question of whether the migration of the prostheses relative to each other will increase or remain the same in the long term. To examine this, a mid-and long-term RSA follow-up to measure migration is necessary. In addition, another new RSA measurement parameter has become known in recent years that may provide an indication of the bonding of the prosthesis to the bone at the time of measurement. This new parameter, called the Induced Displacement (ID) of a prosthesis, measures the position and orientation relative to the bone while the prosthesis is under different loading conditions (e.g., patient in supine or standing position). This means that a large measured difference between these different loading condition measurements would indicate that osseointegration of the prosthesis never occurred or is no longer present. To improve the understanding of the tendency of both prostheses to aseptic loosening after a mid- to long-term follow up, migration over time and inducible displacement analyses are necessary. The primary objective of this study is to accurately compare mid- and long-term migration of two uncemented TKR prostheses. The secondary objectives of this study are to evaluate if inducible displacement can be used as a parameter to detect loose implants, and to compare inducible displacement, clinical and radiological outcome and patient-reported outcomes (PROMS) after a follow-up of 5 and 10 years of two uncemented TKR prostheses.
Status | Active, not recruiting |
Enrollment | 49 |
Est. completion date | May 31, 2029 |
Est. primary completion date | May 31, 2029 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | N/A and older |
Eligibility | Inclusion Criteria: In order to be eligible to participate in this study, a subject must meet all of the following criteria: - The Patient participated in the initial study (NL58911.058.16) [1]. - The patient is capable of giving informed consent and expressing a willingness to comply with the study. Exclusion Criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study: - The patient underwent a major revision TKR (exchange of the tibial or femoral component). - The patient is unable or unwilling to sign the informed consent specific to this study. |
Country | Name | City | State |
---|---|---|---|
Netherlands | Spaarne Gasthuis | Hoofddorp | Noord-Holland |
Lead Sponsor | Collaborator |
---|---|
Spaarne Gasthuis | Leiden University Medical Center |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Complications | Complications during follow-up will be reported | 5 year post TKA | |
Other | Complications | Complications during follow-up will be reported | 10 year post TKA | |
Primary | Change from baseline migration of the prostheses | Migration is measured and expressed in translations, rotations, and MTPM; MTPM is the point of the prosthesis that has moved most. | 5 years post TKA | |
Primary | Ten year change from baseline migration of the prostheses | Migration is measured and expressed in translations, rotations and MTPM; MTPM is the point of the prosthesis that has moved most. | 10 years post TKA | |
Secondary | Inducible displacement | The inducible displacement is defined as the difference in translation (MTPM) between a measurement without external force (e.g., supine position) and a measurement with external force (e.g., weight bearing) minus the measurement error. | 5 years post TKA | |
Secondary | Inducible displacement | The inducible displacement is defined as the difference in translation (MTPM) between a measurement without external force (e.g., supine position) and a measurement with external force (e.g., weight bearing) minus the measurement error. | 10 years post TKA | |
Secondary | EuroQol 5D-5L (EQ-5D-5L) | A patient reported outcome score for assessing mental well-being by using a score from 0 to 1, with 0 = worse and 1 = best. | 5 year post TKA | |
Secondary | EuroQol 5D-5L (EQ-5D-5L) | A patient reported outcome score for assessing mental well-being by using a score from 0 to 1, with 0 = worse and 1 = best. | 10 year post TKA | |
Secondary | Knee injury and Osteoarthritis Outcome Scale Physical Function Short-form (KOOS-PS) | A 7-item patient reported outcome score that measures daily physical functioning by using a score of 0 to 100, with 0 = no problems and 100 = extreme problems. | 5 year post TKA | |
Secondary | Knee injury and Osteoarthritis Outcome Scale Physical Function Short-form (KOOS-PS) | A 7-item patient reported outcome score that measures daily physical functioning by using a score of 0 to 100, with 0 = no problems and 100 = extreme problems. | 10 year post TKA | |
Secondary | Oxford-12 Knee Score (OKS) | A 12-item patient-reported outcome score to assess function and pain after total knee arthroplasty. The score uses a score of 0 to 48, with 0 = worse and 48 = best. | 5 year post TKA | |
Secondary | Oxford-12 Knee Score (OKS) | A 12-item patient-reported outcome score to assess function and pain after total knee arthroplasty. The score uses a score of 0 to 48, with 0 = worse and 48 = best. | 10 year post TKA | |
Secondary | Kujala Anterior Knee Pain Scale (AKPS) | A 13-item patient reported outcome score for assessing daily anterior knee pain, by using a score from 0 to 100, with 0 = having anterior knee pain with disabilities and 100 = no signs of anterior knee pain. | 5 year post TKA | |
Secondary | Kujala Anterior Knee Pain Scale (AKPS) | A 13-item patient reported outcome score for assessing daily anterior knee pain, by using a score from 0 to 100, with 0 = having anterior knee pain with disabilities and 100 = no signs of anterior knee pain. | 10 year post TKA | |
Secondary | Numeric Rating Scale (NRS) | A patient reported outcome score for assessing pain by using a likert scale from 0 to 10, with 0 = no pain and 10 = severe pain) | 5 year post TKA | |
Secondary | Numeric Rating Scale (NRS) | A patient reported outcome score for assessing pain by using a likert scale from 0 to 10, with 0 = no pain and 10 = severe pain) | 10 year post TKA | |
Secondary | Anchor questions | A patient reported outcome score for assessing change in functioning and pain since surgery.
The outcome is evaluated by use of a likert scale from 1 to 7, with 1 = much deteriorated and 7 = much improved). |
5 year post TKA | |
Secondary | Anchor questions | A patient reported outcome score for assessing change in functioning and pain since surgery.
The outcome is evaluated by use of a likert scale from 1 to 7, with 1 = much deteriorated and 7 = much improved). |
10 year post TKA |
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