- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03750474
Comparison of the Stiffness of the Lumbar Back Muscles Between Low Back Pain and Healthy Controls (PARA-ELASTO)
Comparison of the Stiffness of the Lumbar Back Muscles Between Low Back Pain and Healthy Controls Using Magnetic Resonance Elastography and Shear Wave Elastography
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
"Chronic low back pain (CLBP) is commonly associated with increased trunk stiffness detected by quick release methods and motion track systems as well as increased back muscles stiffness identified by manual palpatory procedures or strain elastography. However, these techniques are qualitative and operator dependent, hence they remain poorly reliable.
Over the last decade, imaging techniques have become very helpful to characterize the biomechanical properties of tissues in vivo. Today, supersonic shear wave elastography (SWE) allows real time mapping of the elastic shear modulus. Also, magnetic resonance allows mapping and quantifying stiffness within a large volume of tissue. Elastography is efficient in the characterization of passive and active muscle forces, in highlighting the influence of muscle stiffness on joint stiffness and in showing stiffness changes related to muscle diseases Imaging plays a key role in the management of CLBP; It allows to reach specific radiological diagnosis such as tumor, inflammatory, or arthritis. However, in many cases, MRI did not find a specific cause to low back pain and the low back pain is reported as "non-specific". Myofascial disorders are also responsible for non-specific CLBP.
The main objective of this study is to compare the shear modulus of the main lumbar back muscles (erector spinae and multifidus) between patients with low back pain and healthy controls.
Second objectives are to assess: the relationship between the stiffness of the back muscles and clinical stiffness, the influence of age and sex on the elasticity of the back muscles, the relationship between the surface of the paravertebral muscles and the elasticity; the relationship between the elasticity of the hypaxial muscles (in front of the spine) and the epaxial muscles (behind the spine =back muscles), the relationship between fatty infiltration and elasticity of the back muscles, the relationship between inflammation / edema of back muscles and stiffness of the back muscles, the influence of the muscular stretching on the elasticity of the paravertebral muscles, the difference of elasticity in the direction of the muscle fibers (oblique coronal) and perpendicular (axial), the stiffness difference the between the right and left muscles, the role of different postures on muscle elasticity, the relationship between the elasticity of the back muscles and the intensity and type of pain, the relationship between the elasticity of the paravertebral muscles and disco-vertebral and / or posterior apophyseal pathology.
The inclusion of 26 patients and 26 controls will demonstrate a difference in mean elasticity modulus of 1.1 standard deviation (between patients and controls), with 90% and an alpha risk of 5%.
Patients will undergo an MRI (sagittal Short Inversion Time Inversion Recovery (STIR) and T1, coronal STIR and axial T1) in the management of low back pain. At the end of their examination, two elastography-sequences will be performed (axial and coronal plane). After the MRI, the patient will undergo a shear wave sonoelastography.
Healthy controls will undergo an MRI (sagittal T1 and T2) and two elastography-sequences (axial and coronal plane). After the MRI, the patient will undergo a an shear wave sonoelastography .
Healthy controls will be recruited in the hospital and university. Patients will be included when the appointment for MRI was made. Signed informant consent will be obtained after oral and written information.
The data manager will be trained to complete the case report form (CRF) and questionnaires; CRF and questionnaire. The entries that are not done according to procedure will result in inaccurate research data and inadequate source documentation. All data collected in the CRF will be scanned in a timely manner, then saved in an Exel folder, and initialized and dated by the data manager. Scanned data will be saved to the local database and on Universal Serial Bus (USB) disk. Computers designated for data entry, export and scanning will be password protected.
Data reported as missing, unavailable, non-reported, uninterpretable, or considered missing because of data inconsistency or out-of-range results were excluded.
Descriptive and comparative statistics will be done. The shear modulus will be compared between cases and controls using a Student's test (or Wilcoxon's test). For the secondary criteria, the comparison between qualitative variables will be made using the Chi² test, the comparison between a quantitative variable and a qualitative variable with a Student test (or Wilcoxon) or a one-way analysis of variance ( or Kruskal-Wallis test), the association between quantitative variables with the calculation of the Pearson (or Spearman) coefficient, depending on the conditions of application.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Maud CREZE
- Phone Number: 0145213377
- Email: maud.creze@aphp.fr
Study Contact Backup
- Name: Maud CREZE, PHU
- Phone Number: 0145213377
- Email: maud.creze@aphp.fr
Study Locations
-
-
-
Le Kremlin-Bicêtre, France, 94270
- Hopital Bicêtre - Radiology Department
-
Contact:
- Maud CREZE
- Phone Number: 01.45.21.33.73
- Email: Maud.creze@aphp.fr
-
Principal Investigator:
- Maud CREZE, PHU
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria for patient
- Chronic low back pain (defined as low back pain for more than 3 months)
- Lumbar MRI without planned injection in chronic low back pain assessment
- Age between 18 and 80 years
- Ability to keep still in an MRI machine
- No contraindication to MRI
- No major sporting activity within 48 hours prior to the exam
- Informed and written consent"
Inclusion criteria for Health control
- No lumbar pain symptomatology, no lumbar static disorder, known neuromuscular pathology
- Age between 18 and 80 years
- Ability to keep still in an MRI machine
- No contraindication to MRI
- Informed and written consent
Exclusion criteria
- Inability to keep still in an MRI machine
- Intercurrent illness that may interfere with exam results
- Concomitant use of medications that may alter muscle metabolism
- Need to inject contrast during MRI
- Non-affiliation to a social security
- Minors, protected adults, persons unable to consent, persons under the protection of justice
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: NON_RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: patient with chronic low back pain
magnetic resonance elastography and shear wave elastography of the back muscles
|
magnetic resonance elastography and shear wave elastography of the back muscles
|
OTHER: healthy controls
magnetic resonance elastography and shear wave elastography of the back muscles
|
magnetic resonance elastography and shear wave elastography of the back muscles
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Stiffness mapping and measurement of the shear modulus (m/s) in the multifidus and the erector spinae (1) with magnetic resonance elastography (Aera; 1,5T)
Time Frame: 18 months
|
First, the subjects undergoes a magnetic resonance elastography in decubitus in two postures: at rest and with stretching of back muscles (hip flexion).
Then, stiffness will be measurement with sonography in several postures: prone position, upright, bending forward, bending backward.
|
18 months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Maud CREZE, PHU, APHP
Study record dates
Study Major Dates
Study Start (ANTICIPATED)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- K180403J
- 2017-A02799-44 (OTHER: IDRCB)
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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