Recruiting
Phase 3

IDCT

Sponsor:

DiscGenics, Inc.

Code:

NCT07254806

Conditions

Degenerative Disc Disease

Eligibility Criteria

Sex: All

Age: 18 - 70+

Healthy Volunteers: Not accepted

Interventions

IDCT (rebonuputemcel)

Sham (No Treatment)

Study Details

Brief summary:

This is a Phase III, randomized, double-blinded, Sham-controlled, multi-center study in subjects with single-level, symptomatic lumbar (L3- S1) intervertebral disc degeneration. The study will have a 52-week primary period followed by 52 week Follow-up Period (total of 104 weeks).

The study protocol will be approved by the Institutional Review Board (IRB) or Independent Ethics Committee (IEC), and the study will be conducted in accordance with Good Clinical Practice (GCP). All subjects will provide written informed consent prior to Screening.

Approximately 162 subjects will be enrolled in the study. Up to 45 days prior to treatment, subjects will be screened for study inclusion, which includes obtaining baseline MRI and X-ray imaging. Imaging results for subjects initially eligible for study participation will be sent to a central imaging vendor for review and confirmation of eligibility, including the number of levels with degeneration. Subjects meeting all inclusion/exclusion criteria will be assigned to the corresponding treatment arm group and subsequently randomized to IDCT or Sham.

Randomization will occur approximately 7 to 14 days prior to the scheduled treatment administration date.

Overall, 162 subjects will be enrolled and randomized to IDCT or Sham in a 2:1 ratio.

  • IDCT (n=108)
  • Sham (n=54)

Conditions

Degenerative Disc Disease

Study ID

NCT07254806

Start date

Dec 23, 2025

Status verified date

Sep, 2026

Completion date

Nov 24, 2028

Anticipated

Primary completion date

Nov 24, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18 - 70+

Healthy Volunteers: Not accepted

Inclusion Criteria:

1. Has a diagnosis of mild to moderate, symptomatic, single-level degenerative disc disease (DDD) from L3-S1.
2. Has a target disc that meets Modified Pfirrmann Grade 3-7, as determined by a central radiologist.
3. Is ≥18 and ≤75 years of age, skeletally mature, and has a body mass index (BMI) ≥18 kg/m2 and ≤38 kg/m2 at Screening.
4. Has been experiencing chronic low back pain for at least 6 months prior to Screening.
5. Has had low back pain that is unresponsive to at least 3 months of conservative care (nonoperative treatment) to include at least one non-pharmacological intervention which may include physical therapy, acupuncture, chiropractic manipulation, massage, and at home medically supervised exercise program and two pharmacological interventions which may include NSAIDs, acetaminophen, duloxetine, and/or injectable therapy.
6. Has pre-treatment low back pain score of 45 to 90 on VAS (Visual Analogue Scale) for low back pain at Screening and Day 1.
7. Has pre-treatment ODI score of 35 to 90 at Screening and Day 1.
8. Is willing to voluntarily sign the informed consent form and agrees to the release of previous medical history for purposes of this study (i.e., HIPAA authorization) at Screening.
9. Is physically and mentally able to comply with the protocol, able to understand and complete the required forms, and willing and able to adhere to the requirements of the protocol in the opinion of the Investigator.
10. Female-born subjects of childbearing potential must agree to and comply with using highly effective methods of birth control for the duration of the study (e.g., oral contraceptive, implant, injectable, indwelling intrauterine device, sexual abstinence, condoms, or a vasectomized partner).-

Exclusion Criteria:

Physical/ Medical History Exclusion Criteria
11. Has low back pain that in the Investigator's opinion is predominately myofascial in nature.
12. Has constant, unchanging low back pain that is not improved in any spinal position.
13. Has radiculopathy resulting from nerve compression.
14. Has non-radicular unilateral or bilateral leg pain with intensity greater than 50% of the intensity of the low-back pain, as measured by VAS.
15. Leg pain that is of radicular origin, i.e., due to stimulation of nerve roots or dorsal root ganglion of a spinal nerve by compressive forces.
16. Has frequent leg pain that extends below the knee.
17. Has severe unilateral or bilateral osteoarthritis of the knee or hip.
18. Severe spinal arthritis
19. Has cauda equina syndrome.
20. Has had previous lumbar spine surgery.
21. Has had previous disc invasive treatment procedures (i.e., intradiscal electrothermal therapy, intradiscal radiofrequency thermocoagulation) or intradiscal injections (i.e., injection of corticosteroids, methylene blue, dextrose, or glucosamine and chondroitin sulfate) or diagnostic discography at L3-S1 within the 3 months prior to Screening.
22. Subjects who have had basivertebral nerve ablation at L3-S1.
23. Has clinical suspicion of facet pain as the primary pain generator.
24. Has current infection at the planned procedure site, active systemic infection, or current or prior history of lumbar spinal infection (i.e., discitis, septic arthritis, epidural abscess).
25. Has a history of fibromyalgia.
26. Has tested positive for Hepatitis B virus (HBV), Hepatitis C virus (HCV), or Human Immunodeficiency Virus (HIV).
27. Has presence of an active malignancy or tumor, or a prior history of malignancy within the last five years (except for basal cell carcinoma of the skin).
28. Has presence or prior history of a spinal malignancy.
29. Has significant systemic disease, such as unstable angina or autoimmune disease, such as rheumatoid arthritis. Has a history of congenital or acquired coagulopathy or thrombocytopenia.

31\. Is currently taking anticoagulant, antiplatelet, or thrombolytic medications (except for aspirin or nonsteroidal anti-inflammatory drugs \[NSAIDS\]) and at the Investigator's medical discernment and discretion is unable to withhold medications for the time required per site standard or care, prior to the IDCT injection or is taking antineoplastic medications.

32\. Is at higher risk for post-surgical infection (e.g., taking immunosuppressants), has a severe infection or a history of serious infection.

33\. Has concomitant conditions requiring daily oral steroid usage for more than 30 days in the preceding 90 days before Screening.

34\. Is taking opioids greater than 20 MME per day on an intermittent (as needed) basis OR is taking 20 MME or greater daily for more than 3 months prior to Screening

35\. Has a history of unexplained, easy, or persistent bruising or bleeding, bleeding from the gums, or bleeding problems experienced in previous surgical procedures.

36\. Has a history of hypersensitivity or anaphylactic reaction to bovine products, sodium hyaluronate/ hyaluronan/ hyaluronic acid, gentamicin, amphotericin b, dimethyl sulfoxide (DMSO), crustaceous/ shellfish, or porcine products.

37\. Has an uncontrolled psychiatric condition or substance/alcohol abuse that would potentially interfere with the subject's participation in the study within 2 years prior to Screening in the opinion of the Investigator.

38\. Has positive serum pregnancy test or nursing at time of Screening or has plans to become pregnant within the planned length of the study (2 years).

39\. Has a body habitus that precludes adequate fluoroscopic visualization for the procedure or the procedure is physically impossible.

40\. Has or requires an implantable electronic defibrillator, pacemaker, or has other contraindication to MRI scanning or cannot tolerate MRI scanning. Subjects who are expected to require a defibrillator or pacemaker, as determined by the Investigator should be excluded.

41\. Has participated in another clinical study within the 6 months prior to Screening.

42\. Has been a recipient or plans to be a recipient during trial participation of stem cell product to treat the lumbar spine.

43\. Has participated in a prior IDCT clinical study.

44\. Has pending litigation against a health care professional, except where required by the insurer as a condition of coverage.

45\. A person who would not be available for the entire planned length of the trial.

46\. Has active or pending worker's compensation claims. 47. In the Investigators opinion, the subject is not suitable for participation in the clinical trial.

Imaging Exclusion Criteria:

48\. Three discs (L3-S1) that have a Modified Pfirrmann Grade 4-7.

49\. Has evidence of prior lumbar vertebral body fracture at L3-S1.

50\. Has scoliosis with curvature > 10 degrees.

51\. Has congenital spinal irregularities such as segmentation.

52\. Has an acute fracture of the spine at the time of enrollment in the study. Clinically compromised vertebral bodies within L3-S1 due to current or past trauma, e.g., sustained pathological fracture or multiple fractures of vertebrae.

53\. Has evidence of dynamic instability on lumbar flexion extension per screening radiographs as indicated by >4.5 mm of translational motion at L3-S1; >15° of angular motion at L3/-L4; >20° of angular motion at L4-L/5; or >25° angular motion at L5/-S1.

54\. Has Grade 2 or higher spondylolisthesis at L3-S1, as assessed by Meyerding classification.

55\. Has lumbar spondylitis or other undifferentiated spondyloarthropathy.

56\. Has Modic Type III Changes at L3-S1.

57\. Has radiographic evidence or suspicion of a full thickness annular tear at L3-S1.

58\. Has evidence of abnormal disc morphology defined as an extrusion or sequestration according to Fardon classification at L3- S1.

59\. Has herniation > 3 mm in AP dimension that is associated with nerve root compression.

Study Design

Enrollment

162 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

experimental: IDCT (n=108); Intradiscal injection of IDCT in a single target disc

1 mL intradiscal injection of 9,000,000 cells/mL

sham comparator: Sham (n=54);

Needle insertion up to the annulus of a single target disc.

Interventions

IDCT (rebonuputemcel)

Single intradiscal injection of 1 mL of 9,000,000 cells/mL IDCT in a single target disc.

Sham (No Treatment)

Single Sham needle insertion up to the annulus of a single target disc.

Primary outcome measure

  • Visual Analogue Scale (VAS) for low back pain [ Time Frame: Week 52 ]
  • Oswestry Disability Index (ODI) [ Time Frame: Week 52 ]
  • Adverse Events [ Time Frame: Day 1 to Week 52 in each treatment group. ]
  • Adverse events of special interest [ Time Frame: Day 1 to Week 52 in each treatment group ]

Central Contacts and Locations

Locations

Alabama Clinical Therapeutics

Recruiting

Birmingham, Alabama, United States, 35235

Contacts

Principal Investigator:

Brad 205-833-2228, MD

Mayo Clinic (AZ)

Recruiting

Phoenix, Arizona, United States, 85054

Contacts

Principal Investigator:

John Freeman, MD

Solaris Research Institute

Recruiting

San Diego, California, United States, 92111

Contacts

Principal Investigator:

Krishnan Chakravarthy, MD

Source Healthcare

Recruiting

Santa Monica, California, United States, 90403

Contacts

Principal Investigator:

Timothy Davis, MD

Pain Management and Injury Relief

Recruiting

Thousand Oaks, California, United States, 91320

Contacts

Principal Investigator:

Alexander Hersel, MD

International Spine, Pain and Performance Center

Recruiting

Washington D.C., District of Columbia, United States, 20006

Contacts

Principal Investigator:

Mehul Desai, MD

Mayo Clinic (FL)

Recruiting

Jacksonville, Florida, United States, 32224

Contacts

Principal Investigator:

Wenchun Qu, MD

University of Miami Health System

Recruiting

Miami, Florida, United States, 33136

Contacts

Principal Investigator:

Barth Green, MD

Conquest Research

Recruiting

Orlando, Florida, United States, 32832

Contacts

Principal Investigator:

Gilbert Mbeo, MD

Vantage Clinical Trials

Recruiting

St. Petersburg, Florida, United States, 33709

Contacts

Principal Investigator:

Robert Guirguis, MD

Vantage Clinical Trials

Recruiting

Tampa, Florida, United States, 33709

Contacts

Principal Investigator:

Jorge Leal, MD

Axis Spine Center

Recruiting

Post Falls, Idaho, United States, 83854

Contacts

Principal Investigator:

Jessica Jameson, MD

Indiana Spine Group

Recruiting

Carmel, Indiana, United States, 46032

Contacts

Principal Investigator:

Kevin Macadaeg, MD

Norton Leatherman Spine Center

Recruiting

Louisville, Kentucky, United States, 40202

Contacts

Principal Investigator:

Steven Glassman, MD

Ochsner Health System

Recruiting

New Orleans, Louisiana, United States, 70121

Contacts

Principal Investigator:

Maged Guirguis, MD

Mayo Clinic (MN)

Recruiting

Rochester, Minnesota, United States, 55905

Contacts

Principal Investigator:

Ryan D'Souza, MD

The Orthopedic Center of St. Louis

Recruiting

St Louis, Missouri, United States, 63141

Contacts

Principal Investigator:

Matthew Gornet, MD

Weill Cornell Medicine for Comprehensive Spine Care

Recruiting

New York, New York, United States, 10022

Contacts

Principal Investigator:

Prabhav Deo, MD

Wake Research

Recruiting

Wilmington, North Carolina, United States, 28403

Contacts

Principal Investigator:

Jeremy Hoff, MD

Carolinas Pain Institute/ Center For Clinical Research

Recruiting

Winston-Salem, North Carolina, United States, 27103

Contacts

Principal Investigator:

Christopher Gilmore, MD

Cleveland Clinic

Recruiting

Cleveland, Ohio, United States, 10524

Contacts

Principal Investigator:

Jijun Xu, MD

Pacific Sports and Spine

Recruiting

Eugene, Oregon, United States, 97404

Contacts

Principal Investigator:

Gregory Moore, MD

Main Line Spine

Recruiting

King of Prussia, Pennsylvania, United States, 19406

Contacts

Principal Investigator:

Scott Davidoff, MD

Semmes Murphey Neurological Clinic

Recruiting

Memphis, Tennessee, United States, 38120

Contacts

Principal Investigator:

Michael LaBagnara, MD

Pain Specialists of America

Recruiting

Austin, Texas, United States, 78745

Contacts

Principal Investigator:

Genaro Gutierrez, MD

University of Utah

Recruiting

Salt Lake City, Utah, United States, 84108

Contacts

Principal Investigator:

Zachary McCormick, MD

Virginia iSpine Physicians

Recruiting

Richmond, Virginia, United States, 23238

Contacts

Principal Investigator:

Michael DePalma, MD

More Information

Sponsor

DiscGenics, Inc.

Last update posted

Sep 4, 2026

Last verified

Sep, 2026

Keywords

  • DDD
  • low back pain
  • degenerative disc disease

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by DiscGenics, Inc. on 2026-09-04.