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Tiny trial tests Human-Derived implant to fuse slipped spine bones

NCT ID NCT05961956

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early study is testing a new implant called NVDX3, made from donated human cells, to help fuse spine bones in adults with a condition called degenerative lumbar spondylolisthesis (a slipped vertebra). Only 5 people are enrolled, and the implant is placed during a single surgery. The main goal is to check safety, not yet to prove it works.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
NVDX3 (a bone-forming implant made from donated human cells)
What this could lead to
If successful, this could lead to a new way to fuse spine bones using a single implant, potentially reducing the need for additional bone grafts.
What could go wrong
This is a very early, tiny study with only 5 people, so results may not apply to everyone. The implant is new and its safety and effectiveness are not yet proven.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

5 people

The number who actually took part.

Started

Oct 2023

Expected to finish

Apr 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male or female patients aged ≥18 years to ≤80 years. 2. Patient diagnosed with symptomatic DLS with confirmed: 1. Classification: Meyerding grade I or II DLS 2. One vertebral segment within the lumbar region from L1-S1 3. Availability of AP and LAT X-ray, MRI and/or CT scan at which the diagnosis was made. 3. The estimated volume of targeted disc space to be filled (both inside and around the interbody cage) should not exceed 10cc. 4. Clinically meaningful pain or neurological symptoms with or without claudication confirmed by a preoperative ODI score \>30, which have been unresponsive to a minimum of 3 consecutive months of structured conservative medical management (including at least pain medication, activity modification, and daily exercise). 5. Patient is eligible for surgery by minimally invasive or open transforaminal lumbar interbody fusion (TLIF)3. 6. Patient has understood and accepted to participate in the study according to all study procedures by signing the informed consent. Exclusion Criteria: 1. History of previously attempted spinal fusion at the same vertebral level, or at a level immediately adjacent to the level intended to undergo the spondylodesis. Decompressive surgery alone (laminectomy) is not an exclusion criterion. 2. Patient with a BMI of ≥35. 3. Presence of clinically significant infection at the target implant site or presence of any systemic infection. 4. History of allergic reaction or any anticipated hypersensitivity to any of the following: 1. Osteosynthesis materials (eg.cage, screws, rods,…), 2. Anesthetic agents, 3. Components of the NVDX3 implant 5. Presence of any auto-immune disease, with exception of well controlled diabetes type-1 or II, or auto-immune thyroid disorders. 6. Positive serology for human immunodeficiency virus (HIV), HBcAb and/or HBsAg. 7. Presence of an active tumor. 8. Documented metabolic bone disease or any disorder, such as but not limited to high-risk osteoporosis, that could interfere with the bone healing and bone metabolism. 9. Documented disease limiting mobility and functional assessments. 10. Chronic, ongoing, or planned use of medications that might affect bone metabolism or bone quality such as bisphosphonates, steroids, methotrexate, anticoagulants, immunosuppressants or immunotherapy. 11. Excessive smoking or history of chronic alcohol or drug abuse within the 12 months prior to screening 12. Use of any investigational drug within 60 days prior to screening. 13. Pregnant women or women of childbearing potential (WOCBP) not agreeing to use effective an effective method of birth control4 during the course of the study. Note: WOCBP including peri-menopausal women who have had a menstrual period within 1 year prior to surgery have to have a negative pregnancy test before entering in the study. 14. Any other psychosocial, mental and physical condition which, in the opinion of the investigator, could interfere with the trial conduct, the patient's compliance or influence interpretation of the results. 15. Patient with historically elevated radiation exposure levels that could in the opinion of the investigator introduce unacceptable radiation risks for the patient, when being accumulated with the radiological examinations planned in this study.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Centre Hospitalier de Luxembourg

    Luxembourg, 1210, Luxembourg

More trials for these conditions

Other studies related to the condition(s) this trial covers.