- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03073083
Graft Selection in Anatomic Anterior Cruciate Ligament Reconstruction (Grafttype)
Graft Selection in Anatomic Anterior Cruciate Ligament Reconstruction: Patella, Hamstrings or Quadriceps Tendon Autograft
Study Overview
Status
Conditions
Detailed Description
A rupture of the anterior cruciate ligament (ACL) is a severe injury of the knee. The current gold Standard treatment for young and active patients with instability, is a surgical ACL reconstruction. However, there still is no consensus on which graft is best suited for this.
Paradigms on the different types of auto grafts and their weaknesses and benefits originate mostly from the eighties and nineties, when the patella tendon was being replaced by the hamstring graft as the 'new' gold standerd. Nowadays, the philosophy of isometrie tunnel placement has been abandoned, and has been replaced by the philosophy of anatomie reconstructions. The question then arises: Are the results of the comparative studies, and the current paradigms, still applicable, now that the philosophy has transitioned from isometric to anatomic tunnel placement? Irrespective of the disadvantages compared to the patellatendon autograft, such as a higher re-rupture and revision percentage when used in patients under 25 years old, the hamstring autograft is currently the most used graft for ACL reconstruction worldwide. The question then arises: is it justified that the hamstringgraft is the most used graft worldwide? Rehabilitation protocols are often not, or poorly, described, despite it's significant effect on the outcome and co morbidity of an ACL reconstruction. Especially anterior knee pain, which is often mentioned as a disadvantage of the patellagraft, is significantly influenced by rehabilitation protocols. The introduction and implementation of a nation-wide evidence-based rehabilitation protocol in The Netherlands created uniformity of rehabilitation treatment, and the possibility to generalize scientific conclusions. The question then arises: Due to new insights in rehabilitation and implementation of new protocols, is the anterior knee pain, the often mentioned disadvantage ofthe patelia tendon graft, stiil a relevant disadvantage? The quadriceps tendon autograft is a less often used graft. Nevertheless, research has shown that it seems like a good alternative for the patella tendon and hamstring autograft. Functional outcome is similar, while less donorsite morbidity is reported compared to the patellatendon and hamstring autograft. The question then arises: Is it fair that the quadriceps tendon is rarely used as an autograft for ACL reconstruction? Increasing knowledge of the anatomy of the ACL results in new insights in the methods to achieve true anatomie ACL reconstruction. New arguments support the use of the patella tendon - and even the quadriceps tendon - over the use of the hamstringgraft, because their anatomic similarities to the anterior cruciate ligament might be better suited to restore knee kinematics. The question then arises: are the flat-shaped patella tendon autograft and quadriceps tendon autograft better suited to restore the anatomy of the ruptured ACL than the round hamstring graft? Hypothesis Tlie hypothesis is that anatomic reconstruction ofthe ruptured anterior cruciate ligament with a (flat) quadriceps tendon autograft is at least as effective as reconstruction of the ruptured anterior cruciate ligament with a patella tendon autograft or a hamstring tendon autograft, in terms of failure, measured 2 years postoperatively. Failure is defined as pathological laxity, complaints of knee instability in the absence of any pathological laxity and/or discontinuïty of the graft on MRl or arthroscopy.
Objective of the study:
Primary objective:
To investigate the hypothesis that an anatomic single bundle anterior cruciate ligament reconstruction with a (flat) quadriceps tendon autograft is at least as effective as reconstruction of the ruptured anterior cruciate ligament with a patella tendon autograft or a hamstring tendon autograft, in terms of failure, measured 2 years postoperatively. Failure is defined gedefinieerd as pathologicai laxity, complaints of knee instability in the absence of any pathological laxity and/or discontinuïty of the graft on MRl or arthroscopy.
Secondary objectives:
patiënt reported outcome measures (PROMs), clinimetrics, radiological assessment, duration of rehabilitation necessary for return to sports and daily activities and the level of sport activities to which the patiënt returned, in patients treated with an anterior cruciate ligament reconstruction using a patellatendon autograft, hamstringtendon autograft of quadricepstendon autograft, as measured in the short-term (6 weeks, 6,9,12 months postoperatively), mid-term (2 years postoperatively) and long-term (5 and 10 years postoperatively).
Study design:
Multicenter blocked stratified randomised controlled trial with varying block sizes (n=3, 6, 9, 12). Patients with an anterior cruciate ligament rupture, confirmed by an orthopaedie surgeon (as evident from anamnesis, physical examination and radiographic imaging) who meet the inclusion criteria and do not have any of the exclusion criteria, will be asked to partieipate in this study.
Baseline measurements will be performed, after informed consent is obtained. Allocation of treatment of the included patients will be performed in the operating room (OR), where patients will be randomised (blocked and stratified) per clinic, to have ACL reconstruction with a patella tendon autograft, hamstring tendon autograft or quadriceps tendon autograft. Stratification will be based on age (18-25 and >25), level of sport activities (Tegner Activity Level Scale 5-7 and 8-10) and surgeon.
Follow-up identical to the follow-up of standard care, with standard checkups after 6 weeks, 6, 9, months and 1 and 2 years. Two extra follow-up moments (after 5 and 10 years) will be planned.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: R.A.G Hoogeslag, MD
- Phone Number: 0031887085375
- Email: wetenschap@ocon.nl
Study Locations
-
-
-
Groningen, Netherlands, 9728 NT
- Not yet recruiting
- Martini Hospital Groningen
-
Contact:
- R Brouwer, MD
- Phone Number: 03188524 5970
-
Sub-Investigator:
- R. Brouwer
-
Sub-Investigator:
- A de Vries
-
Hengelo, Netherlands
- Recruiting
- OCON
-
Contact:
- R. Huis in 't Veld, Phd
- Phone Number: 0031887085375
- Email: wetenschap@ocon.nl
-
Principal Investigator:
- R.A.G Hoogeslag, MD
-
Sub-Investigator:
- R Huis in 't Veld
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients active in sports, Tegner =/>5
- Primary ACL rupture, evident from anamnesis (acute trauma, snapping sensation, swelling within several hours, feeling of instability), physical examination (positive Lachman test, anterior drawertest and/or pivot shift test), radiograph and MRl
- Willing to comply to the suggested (nationwide standard) rehabilitation protocol, supen/ised by a NFVS registerd sport-physical therapist
- <6 months between initial trauma and surgery
Exclusion Criteria:
- History of knee surgery on the same side
- History of tendon removal on the same side
- Accompanying ligament injury ofthe knee, evident from anamnesis, physical examination, radiograph and MRl, defined as an ACL rupture in combination with a posterior cruciate ligament or collateral ligament injury,
- Peroperative discovery of cartilage damage; larger than 2cm2 and more than 50% depth
- Peroperative discovery of meniscus injury witch requires a meniscectomy of more than 20% or meniscus sutures
- Osteoarthritis of Kellgren and Lawrence grade 2 or more, as evident from the radiograph
- Severe malalignment of the leg
- Tendency to form excessive scar tissue, such as arthrofibrosis
- Muscular, neurological or vascular anomalies that influence healingtime or rehabilitation
- Infection
- Known hypersensitivity to any of the used materials
- Long term relevant medication use such as prednisolone or cytostatics
- Pregnancy at the time of inclusion or surgery
- Known osteoporosis
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Hamstring tendon autograft
ACL reconstruction surgery with hamstring tendon autograft
|
ACL reconstruction surgery with hamstring tendon
Other Names:
|
Active Comparator: Patella tendon autograft
ACL reconstruction surgery with pattella tendon autograft
|
ACL reconstruction surgery with patella tendon
Other Names:
|
Active Comparator: Quadriceps tendon autograft
ACL reconstruction surgery with quadriceps tendon autograft
|
ACL reconstruction surgery with quadriceps tendon
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Physical examination ACL Failure
Time Frame: 2 years after ACL reconstruction surgery
|
Presence / absence of anterior cruciate ligament failure.
Failure is defined as pathologicai laxity, complaints of knee instability in the absence of any pathological laxity and/or discontinuïty ofthe graft on MRl or arthroscopy.
|
2 years after ACL reconstruction surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
quality of life (ACL-QoL)
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
level of self-reported quality of life
|
preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
functional knee and health status (IKDC)
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
level of functional knee and current health status
|
preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
physical examination of knee (in)stability
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
instability in the absence of any pathological laxity and/or discontinuïty of the graft on MRl or arthroscopy.
|
preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
Knee and Injury Osetoarthritis Outcome Score questionnaire (KOOS)
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
self-reported level of physical activity in daily life
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preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
sports intensity questionnaire (Tegner Activity Level)
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
self-reported level of pivoting sports execution
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preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
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questionnaire
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
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level of physical activity (Lysholm score)
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preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
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knee pain
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
self-reported level of pain during activity and rest on visual analogue scale
|
preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
Instability knee
Time Frame: preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
VAS score (patient perception)
|
preoperative, 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
satisfaction with result of ACL surgery
Time Frame: 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
self-reported level of satisfaction with ACL surgery on visual analogue scale
|
6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
physical examination
Time Frame: 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
degree of knee (in)stability during jumping tests (Leg Symmetry Index)
|
6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
physical examination
Time Frame: preoperative, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
degree of knee (in)stability in strenght (Leg Symmetry Index)
|
preoperative, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
Lachman test
Time Frame: 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
physical examination: degree of knee (in)stability measured by rollimeter (operated-nonoperated side ratio)
|
6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
Degree of Osteoarthritis on x-ray
Time Frame: Baseline, 1,2,5 10 years after ACL reconstruction surgery
|
Kellgren-Lawrence classification will be applied to assess the degree of osteoarthritis
|
Baseline, 1,2,5 10 years after ACL reconstruction surgery
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Knee instability during jumping movements
Time Frame: 1 and 2 years after ACL reconstruction surgery
|
Measured during jumping test.
At OCON patients will be equiped with 3D accelerometer sensors in order to quantify the degree of (in)stability of the affected knee during the execution of jump tests under the supervision of a specialized sports physiotherapist
|
1 and 2 years after ACL reconstruction surgery
|
Complications and other adverse events
Time Frame: 6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
number and type complications and adverse events
|
6 wks, 6 months, 9 months, 1, 2, 5 10 years after ACL reconstruction surgery
|
Collaborators and Investigators
Investigators
- Principal Investigator: R.A.G Hoogeslag, MD, OCON
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- NL52749.044.16
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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