- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06264999
Robotic Assisted Knee Arthroplasty - Retain the Anterior Cruciate Ligament or Not
Gait Analysis, Stair Performance and CT-based Micromotion Analysis in Robotic Assisted Total Knee Arthroplasty Comparing Bi-cruciate Retaining vs Cruciate Retaining Implants: A Single Centre Patient-blinded Randomized Controlled Trial
The goal of this clinical trial is to compare the function of the knee after retaining or sacrificing the anterior cruciate ligament in robotic assisted knee arthroplasty.
The main questions it aims to answer are:
Does retaining the anterior cruciate ligament improve postoperative gait? Participants will perform
- Gait analysis
- Stair performance test
- CT based Micromotion analysis of the implant micromovement
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A randomized controlled clinical trial intended to compare walking function and movement of the prosthesis after robot-assisted knee replacement surgery with two knee replacement designs; One prosthesis is preserving the anterior cruciate ligament (Smith+Nephew Journey II XR) and the other is sacrificing the anterior cruciate ligament (Smith+Nephew Jourrney II CR).
It is common to remove anterior cruciate ligament during knee replacement surgery. There is speculation about this weakens the balance in the operated knee and whether this can explain some of the problems that up to 20% experience after knee replacement surgery.
Preservation of the anterior cruciate ligament during knee replacement surgery may provide a more natural movement and better balance in the operated knee, and this in turn could provide increased patient satisfaction.
Previous studies have shown that knee replacement surgery where the anterior cruciate ligament is preserved has an increased incidence of per- and postoperative complications and reduced implant survival. Robot assisted navigation in knee arthroplasty surgery has shown the possibility of increased precision and accuracy when implanting the knee prostheses, and therefore might provide increased satisfaction when performing elective knee prosthetic surgery with robotic assistance and at the same time preserving the anterior cruciate ligament without an increased risk of complications.
In this study, postoperative function is assessed by looking at whether the walking pattern has normalized.
Gait analyses with comparison of the two groups is carried out both before surgery and 2, 6 and 12 months after surgery.
Primary endpoint is self-selected walking speed at 12 months follow-up. Secondary endpoints include other gait analysis parameters, result of stair test, as well as patient-reported pain, satisfaction and function (NRS, EQ-5D-5L, KOOS-PS, IKSS, FJS-12), knee mobility, stability, and hip-knee-ankle angle.
Complications related to the surgery or the course afterwards is noted. The study will also compare the movement of the prosthetic components in relation to the skeleton over a period of 2 years using a CT based micro motion analysis method (CT-RSA) making it possible to assess implant migration over time.
Increased movement can predict early loosening of the prosthesis.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Anders Sjøstrøm, MD
- Phone Number: +4772575241
- Email: anders.sjostrom@stolav.no
Study Contact Backup
- Name: Tina Strømdal-Wik, MD, PhD
- Phone Number: +4772826521
- Email: Tina.stromdal.Wik@stolav.no
Study Locations
-
-
Trøndelag
-
Trondheim, Trøndelag, Norway, 7006
- St.Olavs Hospital
-
Contact:
- Anders Sjøstrøm, MD
- Phone Number: +4772575241
- Email: anders.sjostrom@stolav.no
-
Sub-Investigator:
- Siri Bjørgen Winther, PhD
-
Sub-Investigator:
- Sølvi Liabekk Selli
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Severe osteoarthritis Ahlbäck grade 3 or 4 affecting 2-3 compartments
- Ability to preoperatively walk 30 m independently without support before surgery
- Ability to give written consent.
- CPAK (Coronal Plane alignment of the Knee) I, II or III
Exclusion Criteria:
- Previous cruciate ligament surgery in affected knee
- Previous osteotomy in affected knee,
- Posttraumatic arthritis in affected knee
- History of infectious arthritis
- Rheumatoid arthritis
- Significant preoperative varus or valgus deformity >15º
- Evidence of damaged Anterior Cruciate Ligament and/or Posterior Cruciate Ligament
- Flexion contracture > 10 º, - Planning reveals the need for a complex implant ( stem, augment or higher level of constraint).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Journey II CR
Implantation of Journey II CR sacrificing the anterior cruciate ligament.
|
Implantation of Journey II CR Crucite Retaining Knee
|
Active Comparator: Journey II XR
Implantation of Journey II XR retaining the anterior cruciate ligament.
|
Implantation of Journey II XR Bi Cruciate Retaining Knee
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Preferred walking speed (meter/minute) after surgery
Time Frame: twelve months after surgery.
|
Evaluation of gait with preferred walking speed (meter/minute) measured on a electronic walkway system
|
twelve months after surgery.
|
CT-RSA measured maximum total point of motion(MTPM)
Time Frame: 6,12 and 24 months after surgery
|
CT-RSA measured maximum total point og motion(MTPM)in millimeters and rotation of the implant in degrees compared to baseline value
|
6,12 and 24 months after surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
evaluation of max walking speed(m/minute)
Time Frame: twelve months after surgery.
|
Assesment of maximum walking speed(meter/minute) measured on a electronic walkway system
|
twelve months after surgery.
|
stride length(cm)
Time Frame: twelve months after surgery.
|
Assesment of stride length (centimeters) measured on a electronic walkway system
|
twelve months after surgery.
|
step length in mid stance phase (cm)
Time Frame: twelve months after surgery.
|
Assesment of step length(centimeters) in mid stance phase measured on a electronic walkway system
|
twelve months after surgery.
|
single leg support time(s)
Time Frame: twelve months after surgery.
|
Assesment of single leg support time(seconds) measured on a electronic walkway system
|
twelve months after surgery.
|
double-leg support time(s)
Time Frame: twelve months after surgery.
|
Assesment of double leg support time (seconds) measured on a electronic walkway system
|
twelve months after surgery.
|
stair performance(s)
Time Frame: twelve months after surgery.
|
A 11-step stair ascend/descend test (STTotal-11) measures the time(seconds) it takes a subject to ascend and descend a flight of 11 steps (each step 17 cm high and 30 cm deep).
|
twelve months after surgery.
|
Clinical evaluation of range of motion .
Time Frame: twelve months after surgery.
|
Measure how much the knee will bend and extend in degrees both passive and active. Measure the Anterio-Posterior and Medio-Lateral stability i millimeters |
twelve months after surgery.
|
Rating outcome using EQ-5D-5L(European quality of life index version 5D-5L),
Time Frame: twelve months after surgery.
|
EQ-5D-5L is a self-assessed, health related, quality of life questionnaire.
The scale measures quality of life on a 5-component scale including mobility, self-care, usual activities, pain/discomfort, and anxiety/depression.
Each level is rated on scale that describes the degree of problems in that area (i.e.
I have no problems walking about, slight problems, moderate problems, severe problems, or unable to walk).
This tool also has an overall health scale where the rater selects a number between 1-100 to describe the condition of their health, 100 being the best imaginable.
|
twelve months after surgery.
|
IKSS (International Knee Society System knee and function score)
Time Frame: twelve months after surgery.
|
Knee Society Clinical Rating System (KSS) provides a objective scoring system to rate the knee and patient's functional abilities before and after total knee arthroplasty. It has a Knee Score" section (7 items) and a "Functional Score" section (3 items). Both sections are scored from 0 to 100 with lower scores being indicative of worse knee conditions and higher scores being indicative of better knee condition |
twelve months after surgery.
|
FJS-12 (Forgotten Joint score)
Time Frame: twelve months after surgery.
|
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. The Forgotten Joint Score 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 |
twelve months after surgery.
|
Clinical evaluation of Anteroposterior stability.
Time Frame: twelve months after surgery.
|
The anterior-posterior (AP) stability of the knee is an important aspect of functional performance and is measured in millimeters
|
twelve months after surgery.
|
Clinical evaluation of Mediolateral stability.
Time Frame: twelve months after surgery.
|
Mediolateral stability is measured in degrees and evaluated in 3 groups (Group 1: <5°, Group 2: 6°-9°, Group 3: ≥10°
|
twelve months after surgery.
|
Rating pain using NRS (Numeric Rating Scale).
Time Frame: twelve months after surgery.
|
NRS is a pain screening tool used to assess pain severity at that moment in time using a 0-10 scale, with 0 meaning "no pain" and 10 meaning "the worst pain imaginable
|
twelve months after surgery.
|
KOOS-PS (Knee Injury and Osteoarthritis Outcome score)
Time Frame: twelve months after surgery.
|
The KOOS-PS is a derivative of the Knee Injury and Osteoarthritis Score (KOOS). The KOOS-PS tool is intended to attain a feasible, short measure of physical function with interval level properties to assess the patient's opinion about their knee and associated problems. It measures Function (rising from sitting, bending to floor, putting on socks/stockings, rising from bed) and Sports (squatting, kneeling, twisting/pivoting) subscales. Items are scored from 0 to 4 and summed to give a raw score from 0 to 28, with lower scores representing higher levels of functional status. |
twelve months after surgery.
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
A long leg X-Ray identifying outliers with Hip Knee Ankle angle Varus <-3 ºor Valgus >3 º
Time Frame: 8 weeks
|
Examination of long leg radiographs measuring the Hip-Knee Ankle angle in degrees
|
8 weeks
|
Presence of eminence fractures
Time Frame: 2 days postoperatively
|
Examination of postoperative radiographs evaluating the presence of eminence fractures
|
2 days postoperatively
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Director: Tina Strømdal-Wik, MD, PhD, <St Olav- NTNU?
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 427976
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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