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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03737461
Other study ID # UF 9766
Secondary ID
Status Active, not recruiting
Phase Phase 2/Phase 3
First received
Last updated
Start date February 18, 2019
Est. completion date March 8, 2026

Study information

Verified date August 2023
Source University Hospital, Montpellier
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This will be a multicenter, prospective, double blind, randomized phase 2/3 trial comparing culture-expanded allogeneic adult BM-MSCs with sham-treated controls. This trial will evaluate the efficacy of intradiscal injection of BM-MSCs in chronic low back pain due to lumbar degenerative disc disease (DDD) unresponsive to conventional therapy . Visual analog scale (VAS) and functional status (by Oswestry Disability Index - ODI) will be evaluated 12 months after treatment, defining responders in case of improvement of VAS for pain of at least 20% and 20 mm between baseline and month 12, or improvement of ODI of 20% between baseline and month 12.


Description:

Degenerative disc disease (DDD) presents a large, unmet medical need. One of the most important public health problems, it affects 70 million Europeans, accounts for 42% of patients with chronic low back pain and costs over $100 billion each year in the European Union. DDD results in a disabling loss of mechanical function. Today, no efficient therapy is available. The disease results from degeneration of cartilage discs with loss of the collagen matrix and nucleus pulposus chondrocyte. Chronic cases often receive surgery, which may lead to biomechanical problems and accelerated degeneration of adjacent segments. Our consortium partners have developed and studied stem cell-based, regenerative therapies with encouraging results in phase 1 and 2 trials. Patients exhibited rapid and progressive improvement of functional and pain indexes by 50% within 6 months and by 65% to 78% after 1 year with no side effects. In addition, MRI T2 relaxation measurements demonstrated a significant improvement of cartilage signal. To develop the world's first effective treatment of DDD, RESPINE aims to assess, via a randomized, controlled, phase 3 clinical trial including 112 patients with DDD, the efficacy of an allogenic intervertebral mesenchymal stem cell (MSC)-based therapy. This innovative therapy aims to rapidly (within 3 months) and durably (at least 24 months) reduce pain and disability. In addition, the consortium aims to provide new knowledge on immune response & safety associated with allogeneic BM-MSC intradiscal injection.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 113
Est. completion date March 8, 2026
Est. primary completion date May 30, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 60 Years
Eligibility Inclusion Criteria: - Age between 18 and 60 years. - Symptomatic chronic low back pain unresponsive to conservative therapy (including physical therapy performed during at least 1 month before inclusion and pain medication with level 2 analgesics in failure or intolerant to level during at least 1 month) for at least 3 months. - DDD assessed by (Pfirrmann's score modified Griffith et al) grade 4 to 7 at one level. If second level, it should be adjacent (Pfirrmann's score 1-4 maximum) - Low back Pain baseline > 40 mm on VAS (0-100). - NSAID washout of at least 2 days before screening - Painkillers washout of at least 24 hours before screening Exclusion Criteria: - Congenital or acquired diseases leading to spine deformations that may upset cell application (hyperlordosis, scoliosis, isthmus lesion, sacralization and hemisacralization). - Symptomatic posterior lumbo-articular osteoarthritis or predominant facet syndrome on Xray or MRI (osteophyte and facet hypertrophy). - Prior to the screening visit, has received: - Oral corticosteroid therapy within the previous 3 months, OR - Intramuscular, intravenous or epidural corticosteroid therapy within the previous 3 months - Spinal segmental instability (defined by lumbar dynamic X-Ray in extension/flexion with antero-post translation > 3 mm and/or angular mobility > 15°). - Spinal canal stenosis (Schizas score > B). - History of spinal infection. - Lumbar disc herniation with non truncated sciatica or cruralgia, as well as lumbar cysts and radiculopathy - Previous discal puncture or previous spine surgery. - DDD on 3 levels, or DDD on 2 levels but not adjacent, or DDD with modic 2 or 3 phases - Patients not eligible to the intravertebral disc surgery - Patients who have the risk to undergo a surgery in the next 6 months - Obesity with body mass index (BMI in Kg/size in m2) greater than 35 (obesity grade II). - Participation in another clinical trial or treatment with another investigational product within 30 days prior to inclusion in the study. - Abnormal blood tests: hepatic (alanine aminotransferase (ALT) and/or aspartate aminotransferase (AST) >1.5 × upper limit of normal (ULN)), renal, pancreatic or biliary disease, blood coagulation disorders, anemia or platelet count of <100 × 109/ - Significant medical problems, such as uncontrolled hypertension, symptomatic heart failure; or any other clinically relevant condition or current medication that in the opinion of the investigator contra-indicates the use of any of the study or rescue medications.

Study Design


Intervention

Drug:
Allogenic BM-MSCs Injection
Cell dose will be 20±5 million cells suspended in 2 ml of HypoThermosol isotonic transport solution
Other:
Sham Procedure
sham-maneuver as in the cell-treated patients are added, consisting in anesthetic infiltration with 2 ml of 1% xylocaine in the paravertebral muscles close to the affected segment.

Locations

Country Name City State
France UH Montpellier Montpellier
France CHU de Nantes Nantes
France APHP Cochin Paris
France CHU Saint Antoine Paris
Germany BG Klinikum Bergmannstrost Halle
Italy Campus Bio-Medico University of Rome Roma
Spain Institut de Teràpia Regenerativa Tissular Barcelona
Spain Clínica Universidad de Navarra Pamplona
Spain Hospital Sagrado Corazón Valladolid Valladolid

Sponsors (17)

Lead Sponsor Collaborator
University Hospital, Montpellier APHP, BG Klinikum Bergmannstrost, Halle, Germany, Campus Bio-Medico University, Centre National de la Recherche Scientifique, France, Citospin, Département de l'information médicale, CHU de Montpellier, European Clinical Research Infrastructure Network, Institut de Terapia Regenerativa Tissular, Interdisziplinäres Zentrum Klinische Studien (IZKS), Nantes University Hospital, National University of Ireland, Galway, Ireland, Rennes University Hospital, Univercell-Biosolutions S.A.S, Université Montpellier, University of Navarra, University of Valladolid

Countries where clinical trial is conducted

France,  Germany,  Italy,  Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change from Baseline Pain Clinical response at 12 months The clinical response is defined as the Pain relief measure with Visual Analogue Scale (VAS) of at least 20 mm decrease on VAS scale between baseline and month 12. baseline to month 12
Primary Change from Baseline Oswestry Disability Index (ODI) measure at 12 months at least 20% improvement of functional index ODI at month 12 compared to baseline. baseline to month 12
Secondary Measure disability and quality of life evolution of the patient Assessed by Short Form-36 Health Survey (SF-36) :
The eight sections are vitality, physical functioning, bodily pain, general health, perceptions, physical role functioning, emotional role functioning, social role functioning and mental health A score of zero is equivalent to maximum disability and a score of 100 is equivalent to no disability.
Baseline, 3,6,12 and 24 months
Secondary Disability and quality of life evolution global assessment by the patient and the physician. Overall pain intensity in the lumbar spine (1 = none, 2 = mild, 3 = moderate, 4 = severe, 5 = extreme); patient's global assessment of disease activity (1 = very good, 2 = good, 3 = fair, 4 = poor, 5 = very poor); physician's global assessment of disease activity (1 = very good, 2 = good, 3 = fair, 4 = poor, 5 = very poor) will be performed at 0, 3, 6, 12 and 24 months. baseline, 3,6,12 and 24 months
Secondary Pain killers assessement of consumption of painkillers medication. Rescue medication use will be recorded throughout the study duration by a diary file. baseline, 1, 3,6,12 and 24 months
Secondary Measure of the Chronic low back pain assessement of pain by the Visual Analogue pain Scale (VAS) during 24 months. Min value 0 - max value 100 , where 0 represents no pain and 100 represents the worst pain imaginable. baseline, 1, 3,6,12 and 24 months
Secondary Employment and work status Assessement of employment and work status. For this, patients will be assign to one of 4 categories designated as "employable" which included those who were unemployed due to pain, employed but on sick leave, laid off, or working. The other categories include retired, disabled, and elderly at least 60 years of age, eligible for social security. baseline, 1, 3,6,12 and 24 months
Secondary Structural assessment Evolution of affected disc(s) by quantitative Magnetic Resonance Imaging (MRI) density measurements in T2 and T1spin/echo and T1rho weighted images performed at 0, 6 12 and 24 months used as an indication of disc fluid and glycosaminoglycan (GAG) content. The "quality" of the patient's lumbar disc will be monitored non invasively using T2-weighted MRI sagittal images (Orozco et al., 2011) and, in T1spin/echo MRI. Lumbar disc grading will be performed in the sagittal T2 weighted images by two physicians independently who were experienced in MRI of the spine. They will review each intervertebral disc from L1-2 to L5-S1 by the modified Pfirrmann criteria. The modified Pfirrmann grading system assesses degenerated intervertebral discs by MRI for the asymmetry in disc structure, distinction of the nucleus and the annulus, signal intensity of intervertebral discs and height of intervertebral discs and assigns grade 1 to 8 for disc degeneration (Table by Griffin et al. Spine 2007). baseline, 1, 3,6,12 and 24 months
Secondary Evaluation of cost We will compare the medical and non-medical costs between the two groups of patient. Costs will be identified for a one-year time horizon.
For this purpose, resource use in each arm will be collected in physical units in the electronic Case Report Form (eCRF) at each clinical centre as follows:
Acute care medical hospitalisations related to DDD
Acute care surgical hospitalisations related to DDD
Rehabilitation hospitalisations related to DDD
Analgesics
Work disruption Resource use will be valued using production costs specific to each country or to the country having included the highest number of patients, depending on the number of patients actually included in each clinical centre.
24 months
Secondary Immune response / Analytical control The assessment of the biological effect of allogeneic MSC on recipient immune response will be studied by multiparametric flow-cytometry as well as monitoring of anti HLA-I (human leukocyte antigen I) antibodies response. baseline, 1, and 6 months
Secondary reporting of Serious Adverse Events (SAE) Define the safety outcomes of the clinical trial with the record of SAE baseline, 1, 3,6,12 and 24 months
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