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Study to Evaluate the Safety and Preliminary Efficacy of IDCT, a Treatment for Symptomatic Lumbar Disc Degeneration

A Randomized, Double Blind, Sham-controlled, Multi-center Phase I / II Clinical Study to Assess the Safety and Efficacy of IDCT in Patients With Lumbar Degenerative Disc Disease

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03955315
Enrollment
38
Registered
2019-05-20
Start date
2019-05-23
Completion date
2022-11-28
Last updated
2025-11-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Degenerative Disc Disease

Brief summary

The purpose of this study is to compare the safety and preliminary efficacy of intradiscal injections of two doses of IDCT (Discogenic Cells + Sodium Hyaluronate vehicle) and one sham control in subjects with chronic low back pain due to Degenerative Disc Disease (DDD) at one lumbar level from L3 to S1.

Detailed description

This is a Phase I, randomized, double-blind, sham-controlled, parallel-group, multi-center study in subjects with single-level, symptomatic lumbar intervertebral disc degeneration (\>6 months) and unresponsive to conservative therapy for at least 3 months. The study will compare single intradiscal injections of high and low dose IDCT with one sham control group. 6 study visits will be completed by all subjects; screening, day 1 (injection day), week 4, week 12, week 26 and week 52. The subject will be assessed for safety and efficacy utilizing VAS, ODI and JOABPEQ questionnaires alongside radiographic evaluations. The study will have a 6 month follow-up and a 6 month extension period (total 1 year).

Interventions

BIOLOGICALIDCT

Discogenic Cells + Sodium Hyaluronate Vehicle

PROCEDURESham

Needle puncture under the muscular layer in front of the intervertebral disc

Sponsors

DiscGenics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Diagnosis of early to moderate degenerative disc disease (DDD), Modified Pfirrmann Grade 3-7. * Chronic low-back pain for at least 6 months prior to screening; unresponsive to at least 3 months of conservative care. * Low-back pain of 40 to 90 mm on the VAS * ODI score of 30 to 90.

Exclusion criteria

* Symptomatic involvement of more than one lumbar disc. * Other persistent pain/nerve issues including, for example, radiculopathy, leg pain, Cauda Equine syndrome, etc. * Fracture of the spine, previous lumbar spine surgery or previous treatment of the target disc. * Evidence of dynamic instability on lumbar flexion-extension radiographs. * Grade 2 or higher spondylolisthesis at the target disc, lumbar spondylitis or other undifferentiated spondyloarthropathy, or Type III Modic changes around the target disc. * Clinical suspicion of a full thickness annular tear at the target disc or other abnormal disc morphology. * Subjects who test positive for communicable disease, have significant systemic disease, or are prone to infection. * Patients who are deemed unsuitable for clinical study participation by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Safety as measured by number of Adverse Events1 yearTo evaluate the safety and tolerability of a single injection of IDCT in subjects with single-level, symptomatic early to moderate lumbar intervertebral disc degeneration as measured by the incidence of AEs and SAEs observed from Day 1 to week 52
Efficacy (Pain): Visual Analogue Scale (VAS)6 monthsEvaluate the effect of IDCT on pain as measured by a 0-100mm Visual Analogue Scale (VAS). 0: no pain, 100: worst pain imaginable

Secondary

MeasureTime frameDescription
Disability1 yearEvaluate the effect of IDCT on disability as measured by the Oswestry Disability Index (ODI). Score of 0%: no disability, score of 100%: severely disabled
Efficacy (Pain): JOABPEQ1 yearEvaluate the effect of IDCT on pain as measured by JOABPEQ. The range of the score for each domain is from 0 to 100, with higher scores indicating a better condition.

Other

MeasureTime frameDescription
Radiographic Assessments1 yearTo evaluate morphologic changes of treated intervertebral discs using MRI & X-Ray assessments.

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026