Comparison of the Stiffness of the Lumbar Back Muscles Between Low Back Pain and Healthy Controls

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-12-01

Study Completion Date

2020-05-01

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

Chronic low back pain remains a major public health issue. Low back pain is frequently associated with stiffness changes of the lumbar back muscles. The techniques which assess the stiffness of the back muscles are poorly reliable and do not allow the quantification of stiffness changes. Elastography (magnetic resonance imaging and ultrasound) can be used to objectively and non-invasively quantify in vivo tissue elasticity. The aim of the investigator's study is to compare the stiffness in the main lumbar back muscles (i.e. the erector spinae and the multifidus) by using magnetic resonance elastography and shear wave elastography.

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

Intra- And Inter-operator Reliability Of Isometric Back And Abdominal Muscle Strength Testing In Healthy Controls And Persons With Nonspecific Chronic Low Back Pain.

NCT03571880

Chronic Low Back Pain

COMPLETED NA

the Role of MRI in Evaluation of Low Back Pain

NCT06766240

Low Back Pain

RECRUITING

Feasibility of a One-day-and-a-half for Patients With Low Back Pain

NCT04133818

Subacute or Chronic Low Back Pain

COMPLETED

Load Quantitative MRI Study of Incipient LBP Patients.

NCT01916811

Low Back Pain

UNKNOWN

Selection of Chronic Low Back Pain Patients for Neurotomy Surgery Radiofrequency

NCT05624307

Pain;Back Low;Chronic

UNKNOWN

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

"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.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Low Back Pain

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.