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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04984629
Other study ID # RGOUS -1000CAN
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date January 4, 2022
Est. completion date November 6, 2025

Study information

Verified date November 2023
Source ReGelTec, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A study designed to treat patients with back pain associated with degenerative lumbar disc disease.


Description:

This study is designed to evaluate the safety and effectiveness of the ReGelTec HYDRAFIL System in subjects with axial low back pain (LBP) due to degenerative disc disease (DDD) who continue to have severe back pain and dysfunction after at least six (6) months of conservative care. The primary objective of this study is to evaluate the safety and efficacy the HYDRAFIL System.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 35
Est. completion date November 6, 2025
Est. primary completion date November 6, 2025
Accepts healthy volunteers No
Gender All
Age group 22 Years to 80 Years
Eligibility Inclusion Criteria: - Present with predominant low back pain and symptoms of DDD of the lumbar region of at least 6 months duration - Failure to have their symptoms resolve or reduce following 6 months conservative care (pain medication and/or physical therapy) - Male or female patients aged 22 to 80 years, inclusive - Presence of DDD on magnetic resonance imaging (MRI) scan with global disc degeneration. Modified Pfirrmann grades 5 to 8 as characterized by MRI - The presence of one or two symptomatic discs exhibiting degeneration contained within a competent outer annulus as determined by MRI and provocative discography and/or anaesthetic discography at L1-S1 - Patients who are legally competent and able to understand the nature, scope and aim of the clinical investigation - Signed an informed subject consent form in a language in which they are fluent Exclusion Criteria: - History of or current systemic or local infection - Annular tear or defect that shows free contrast extravasation into the epidural space during or after discography - Presence of disc herniation that accounts for the majority of the patient's symptoms - Subjects with Modic type 3 changes - Subjects with trans-endplate disc herniations or Schmorl's nodes - Neurogenic claudication due to spinal stenosis - Previous back surgery at the target level of the lumbar spine - Evidence of severe compression of cauda equina - Spinal segmental instability (spondylolysis or spondylolisthesis: Grade >1), spinal canal stenosis, isthmus pathology, scoliosis [Cobb angle >20 at the incident level] and other deformity conditions that may compromise the study - Subjects with arachnoiditis - Subjects who are prisoners or wards of the courts - Subjects involved in active litigation including worker's compensation cases - Subjects with low back pain of non-spinal or unknown etiology - Subjects with severe osteoporosis or metabolic bone disease - Subjects who have a history of or are current abusers of alcohol or drugs (using definition criteria from the Diagnostic and Statistical Manual of Mental Disorders (DSM-V)) - If female, patients who are pregnant or are trying to become pregnant during the course of the trial. (due to risks of additional radiation exposures) - Failure to understand informed consent or participation in any other clinical study - Body Mass index (BMI) greater than 40 - Patients with active tumors in the spinal region - Patients who have been diagnosed to diabetes mellitus - Patients who have a sensitivity or allergy to the implant materials

Study Design


Intervention

Device:
HYDRAFIL
The HYDRAFIL System contains the following items: the Delivery System and the Pressure Gauge. The HYDRAFIL implant is contained within a pre-filled syringe that is inserted into the delivery system housing during the manufacturing process. The implant is heated within the delivery system prior to use to ensure a flowable implant that can be injected through a standard coaxial needle.

Locations

Country Name City State
Canada Beam Interventional & Diagnostic Imaging Calgary Alberta

Sponsors (1)

Lead Sponsor Collaborator
ReGelTec, Inc.

Country where clinical trial is conducted

Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Success Successful implantation of the ReGelTec HYDRAFIL System implant in a lumbar disc nucleus post-treatment
Secondary Back pain as measured by NRS Decrease in Numeric Rating Scale (NRS) Score - Back Pain 3, 6, 12 and 24 months
Secondary Function as measured by ODI Maintenance of, or further improvement in the Oswestry Disability Index (ODI) Score 3, 6, 12 and 24 months
Secondary Safety of the ReGelTec Implant by demonstrating durability over the long term and no unanticipated safety concerns that arise Freedom from Device or Operative Related Serious Adverse Events (SAEs) 3, 6, 12 and 24 months
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