- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04324554
Diagnostic Value of a Biomarker of Non-surgical Knee Osteoarthritis (GENU-PERF)
Evaluation of the Diagnostic Value of a Biomarker of Non-surgical Knee Osteoarthritis: Subchondral Bone Perfusion (GENU-PERF)
Osteoarthritis is a very common pathology, especially in an aging population, and a source of disability. Based on standard radiography, the diagnosis is performed late based on the loss of the cartilage thickness. In this context, prosthetic replacement of the joint is a frequent outcome. New diagnostic biomarkers and herapeutic targets are therefore logically research priorities identified by the European League Against Rheumatisms, osteoarthritis ad hoc committee. The inflammation related to the development of this pathology is mainly studied at the cellular level and essentially in animals. Since inflammatory and vascular phenomena are closely intertwined, medical imaging of the subchondral bone vascularization appears interesting.
The dynamic contrast-enhanced T1 Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) technique allows the identification of changes in the osteoarthritic subchondral bone vascularization. In osteoarthritic animals, these changes could be identified before the cartilaginous lesions became visible, and could be correlated with the severity of osteoarthritis.
This study would be the first to correlate subchondral bone perfusion measurements (performed with the DCE sequence) of early cartilaginous lesions of the knee, identified by non-invasive MRI (T2 mapping) in humans. This examination will be performed on a 3 Tesla MRI.
If a correlation is demonstrated in the early stages of osteoarthritis in both humans and animals, then infusion of subchondral bone could become a biomarker of osteoarthritis, and serve as a follow-up evaluation of future treatments.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Osteoarthritis is a very common pathology, especially in an aging population, and a source of disability. Based on standard radiography, the diagnosis is performed late because it is based on the loss of cartilage thickness. In this context, prosthetic replacement of the joint is a frequent outcome. New diagnostic biomarkers and new therapeutic targets are therefore logically research priorities identified up today by the European League Against Rheumatisms, osteoarthritis ad hoc committee .
The strictly mechanical nature of osteoarthritis is currently being questioned. Indeed, the primitive role of inflammation in the development of this pathology is more and more discussed. This inflammation is today studied at the cellular level and essentially in animals. Since inflammatory and vascular phenomena are closely intertwined, medical imaging of the subchondral bone vascularization appears interesting.
The dynamic contrast-enhanced T1 Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) technique allows the identification of changes in the osteoarthritic subchondral bone vascularization. In osteoarthritic animals, these changes could be identified before the cartilaginous lesions became visible, and could be correlated with the severity of osteoarthritis.
In humans, a preliminary investigator study has recently shown that these changes correlate with the importance of osteoarthritic lesions in patients with advanced osteoarthritis. Up to date, no clinical study has so far been initiated to evaluate the diagnostic value of vascularization markers of subchondral bone in early knee osteoarthritis.
In this context, this prospective monocentric study aims to define the role of DCE medical imaging in the diagnosis of early (non-surgical) patella-femoral osteoarthritis.
This study would be the first to correlate subchondral bone perfusion measurements (performed with the DCE sequence) with early cartilaginous lesions, identified by non-invasive MRI (T2 mapping) in humans. This examination will be performed on a 3 Tesla MRI.
If a correlation is demonstrated in the early stages of osteoarthritis in both humans and animals, then infusion of subchondral bone could become a biomarker of osteoarthritis, and serve as a follow-up evaluation of future treatments.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Anne-Sophie Blain, CRA
- Phone Number: +33 03 20 22 57 32
- Email: blain.anne-sophie@ghicl.net
Study Locations
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Nord
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Lomme, Nord, France, 59462
- Recruiting
- Lille Catholic Hospitals
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Contact:
- Anne-Sophie Blain, CRA
- Phone Number: +33 03 20 22 57 32
- Email: blain.anne-sophie@ghicl.net
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Principal Investigator:
- Jean-François BUDZIK, Pr
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients ≥ 18 years old and < 60 years old
- Asymptomatic at the patella-femoral joint
- Coming to perform a medical imaging examination for another indication, in the medical imaging department of the GHICL
- Patient being informed and given free, informed and written consent to participate
- Affiliated to the social security
Exclusion Criteria:
- Medical history of traumatic ligamentous, meniscal or cartilaginous lesion
- Medical history of knee surgery
- Contraindications to MRI (pacemaker, ferromagnetic vascular clip, infusion pump, neurostimulator, cochlear implant, suspicion of metallic foreign body, claustrophobia, ...)
- MRI with gadoteric acid injection in the 7 days preceding the MRI of the knee
- Hypersensitivity to gadoteric acid, meglumine or any drug containing gadolinium, or any other contrast medium
- Medical history of severe allergy, uncontrolled asthma, treatment with beta-blocker
- Renal insufficiency: glomerular filtration less than 30 mL/min
- Pregnant or nursing woman
- Patient under tutorship or curatorship
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Cross-Sectional
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
MRI of the right knee
An MRI of the right knee will be done to define the role of imaging in the diagnosis of early femoro-patellar osteoarthritis.
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An MRI of the right knee will be done to define the role of imaging in the diagnosis of early femoro-patellar osteoarthritis.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlation between T2 cartilage value and endothelial transfer constant (Ktrans)
Time Frame: Thirty minutes after MRI
|
T2 (transverse relaxation time) mapping can evaluate the status of the cartilage matrix and identify biochemical changes. T2 is the time constant which determines the rate at which excited protons reach equilibrium or go out of phase with each other. It is a measure of the time taken for spinning protons to lose phase coherence among the nuclei spinning perpendicular to the main field. Ktrans is a constant representing the volume transfer between blood plasma and extravascular extracellular space. its units are given in values of (1/time) |
Thirty minutes after MRI
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Correlation between T2 cartilage value and reflux rate (Kep)
Time Frame: Thirty minutes after MRI
|
The infusion pharmacokinetics parameters are as follows: Ktrans, Kep Kep represents the time constant for gadolinium reflux from the extravascular extracellular space back into the vascular system |
Thirty minutes after MRI
|
Correlation between T2 cartilage value and initial slope of the kinetic curve
Time Frame: Thirty minutes after MRI
|
The infusion non-pharmacokinetics parameters are as follows: - initial slope, time at peak, area under the curve |
Thirty minutes after MRI
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Correlation between T2 cartilage value and area under the kinetic curve
Time Frame: Thirty minutes after MRI
|
The infusion non-pharmacokinetics parameters are as follows: - initial slope, time at peak, area under the curve |
Thirty minutes after MRI
|
Correlation between T2 cartilage value and time at peak
Time Frame: Thirty minutes after MRI
|
The infusion non-pharmacokinetics parameters are as follows: - initial slope, time at peak, area under the curve |
Thirty minutes after MRI
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Jean-François BUDZIK, Pr, Lille Catholic University
Publications and helpful links
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
- RC-P0081
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
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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