Total Knee Arthroplasty Clinical Trial
Official title:
Does Personalized Soft Tissue Balance Data Improve Outcomes in Patients Undergoing Medially Stabilized Knee Arthroplasty? A Prospective, Randomized Study Investigating the Clinical Utility of the NextAR Navigation System (NextAR).
NCT number | NCT05863741 |
Other study ID # | P02.022.01 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | May 15, 2022 |
Est. completion date | May 2026 |
This study titled "Does Personalised Soft Tissue Balance Data Improve Outcomes in Patients Undergoing Medially Stabilised Arthroplasty? A Prospective, Randomised Study Investigating the Clinical Utility of the NextAR navigation system (NextAR)" is a randomised, single blinded, prospective cohort study with the primary aim determine the clinical utility of the NextAR system data in providing soft tissue balance patterns to enable prosthesis implants to resemble more native knee alignment.
Status | Recruiting |
Enrollment | 100 |
Est. completion date | May 2026 |
Est. primary completion date | May 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - End-stage osteoarthritis of the knee suitable for total knee arthroplasty. - Aged over 18 years. Exclusion Criteria: - Unsuitable for TKR due to chronic infection, medical disease, inability to consent, inability to attend for post-operative follow-up, significant psychiatric issues, substance abuse issues - Previous reconstructive/fracture/arthroplasty surgery on affected knee - Active inflammation arthropathy - Significant extra articular deformity - Morbidly Obese (BMI >40) - Pregnant women |
Country | Name | City | State |
---|---|---|---|
Australia | Fremantle Hospital | Fremantle |
Lead Sponsor | Collaborator |
---|---|
Medacta International SA |
Australia,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Determine whether NextAR system data contributes to change patient outcomes using the Forgotten Joint Score | To determine whether NextAR system data contributes to change patient outcomes using the Forgotten Joint Score
- Forgotten Joint Score measures the patient's ability to forget about the joint as a result of successful treatment and is based on the premise that the best arthroplasty is one the patient forgets. This score goes from a minimum of 0 to a maximum of 100 points. |
pre-op, 6 weeks, 6 months, 1 year, 2 years | |
Secondary | To determine whether NextAR system data contributes to change patient outcomes using the EQ5D-5L | To determine whether NextAR system data contributes to change patient outcomes using the EQ5D-5L
The EQ5D-5L comprises of 6 questions survey that measures generic health-related quality of life. This score goes from a minimum of 0 to a maximum of 1 points. |
pre-op, 6 weeks, 6 months, 1 year, 2 years | |
Secondary | Determining the kinematics of the replaced knee as measured by 3D gait analysis. | The purpose of the gait analysis will be to assess the variation in kinematics between the patients replaced knee (in both study groups) compared to normal knee kinematic data reported in the literature. The hypothesis being tested is that alteration of component position to give more normal ligament tension, will more resemble normal knee kinematics. (n=20) will be sufficient to conduct the gait analysis. These patients will be selected from the overall cohort for enrolment at 12 months post-surgery and matched for age, gender, BMI and osteoarthritis pattern. The comparison will involve comparing the average kinematic data values obtained in group 1 (NextAR data provided at surgery) vs the reported values in the literature and the same analysis will be repeated for patients in group 2 (NextAR data not provided at surgery).comparison will be made between the two groups in terms of which more closely replicates the kinematics of the non-arthritic knee | pre-op, 1 year | |
Secondary | To determine whether NextAR system data contributes to change patient outcomes using the Oxford Knee Score | To determine whether NextAR system data contributes to change patient outcomes using the Oxford Knee Score
the Oxford Knee Score is a questionnaire that has been specifically developed to assess knee function and pain. It is short, reproducible and extensively referenced in orthopaedic literature, making it a preferred tool for studies. This score goes from a minimum of 0 to a maximum of 48 points. |
pre-op, 6 weeks, 6 months, 1 year, 2 years | |
Secondary | To determine whether NextAR system data contributes to change patient outcomes using the Forgotten Joint Score using the International Knee Documentation Committee | To determine whether NextAR system data contributes to change patient outcomes using the Forgotten Joint Score using the International Knee Documentation Committee
International Knee Documentation Committee is questionnaire that evaluates physical activity, level of pain and knee functionality in sporting activities. This score goes from a minimum of 0 to a maximum of 100 points. |
pre-op, 6 weeks, 6 months, 1 year, 2 years |
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