ClinicalTrials.gg
CompletedNCT03425682Updated Mar 4, 2025Results posted

ViBone in Cervical and Lumbar Spine Fusion

An observational study in Spondylosis, Cervical Spondylosis and Spondylolisthesis, sponsored by Elutia Inc.. Completed at 4 sites in United States. Open to participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2025-03-04.

Primary conditionSpondylolisthesisRegistry: SpondylosisReclassifiedWhy we changed it
Registry
Spondylosis — the first condition term the registry derived for this study.
ClinicalTrials.gg
Spondylolisthesis
Why
  1. The study's listed conditions name Spondylolisthesis, a narrower term within Spondylosis.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Elutia Inc. · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
118
Ages
18 Years to 80 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 102 studies in Spondylolisthesis with a site in United States — 14 open to participants now, 19 under way, none of them phase 3. Spondylolisthesis · United States.

Enrollment
19th of 38
118 · median 114
Started
2018
with 5 others
Observational
38 of 102
6 open now
Registered
57th of 102
by date

Among the 102 studies in Spondylolisthesis with a site in United States, this one is the 19th largest by enrollment of the 38 observational ones that give a count, is one of 6 that started in 2018, is one of 38 observational ones, and was the 57th registered.

Spondylolisthesis

227 studies on the registry are indexed under Spondylolisthesis; 43 are open to participants now.

Browse Spondylolisthesis studies →

Open to participants now

14 of the 102 studies in Spondylolisthesis with a site in United States are open now. Recruiting first, the newest first:

9 more — sign in →

All 14 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 27 Spondylolisthesis studies recruiting now, 11 (41%) set no upper age limit and 8 (30%) stop at 75 or younger; 7 take children under 18; 3 take healthy volunteers.

This study: 18 Years to 80 Years · all sexes · no healthy volunteers.

The full table on the hub →

This tab as a report to print or save as PDF → With an account.

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Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 102 studies in Spondylolisthesis with a site in United States, or all of them as a file.
02

Study summary

Assess clinical and radiographic outcomes in patients who undergo 1-3 level anterior cervical discectomy fusion (ACDF) or lumbar interbody fusion (TLIF, PLIF, ALIF, or LLIF) using ViBone.

Read the detailed description

This study is a prospective, multi-center study to evaluate the clinical and radiographic outcomes of ViBone in patients undergoing ACDF or lumbar interbody fusion. Data will be gathered for subjects undergoing ACDF surgery and subjects undergoing lumbar fusion surgery using ViBone. Total enrollment is expected to be approximately 100 subjects. The purpose of this study is to assess clinical and radiographic outcomes in patients who undergo 1-3 level ACDF or lumbar interbody fusion surgery using ViBone. Subjects will be followed for 12 months following surgery.

03

Conditions studied

  • Spondylosis
  • Cervical Spondylosis
  • Spondylolisthesis
  • Herniated Nucleus Pulposus
  • Degenerative Disc Disease

Browse trials for

Keywords

  • Anterior Cervical Discectomy and Fusion (ACDF)
  • Transforaminal Lumbar Interbody Fusion (TLIF)
  • Posterior Lumbar Interbody Fusion (PLIF)
04

In context

Spondylolisthesis Reclassified

227 studies on the registry are indexed under Spondylolisthesis; 43 are open to participants now.

This study's enrollment of 118 is close to the median of 108 across 79 observational studies indexed under Spondylolisthesis.

Browse Spondylolisthesis studies →

Lead sponsor

Elutia Inc. is the lead sponsor of 14 studies on the registry; none are open to participants now.

Compared within Spondylolisthesis, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Spondylosis. The counts are of registry records indexed under each term, refreshed daily. How we classify →

05

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Male and female patients, 18-80 years of age undergoing 1-3 level anterior cervical discectomy fusion (ACDF), or lumbar interbody fusion (TLIF, PLIF, ALIF, or LLIF) using ViBone.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Male or female, 18-80 years of age
  • For cervical cases - ACDF surgery at 1, 2, or 3 contiguous levels between C2-C7
  • For lumbar cases - lumbar interbody fusion surgery at 1, 2, or 3 contiguous levels between L1-S1
  • Patient signed Consent Form with HIPAA Authorization
  • Appropriate candidate for surgery
  • Patient will adhere to the scheduled follow-up visits and requirements of the protocol including routine patient exams - pre-operative, operative, and at least two post- operative visits (6 and 12 months post-surgery). Pre-operative and post-operative visits include X-ray (required) and CT scan (if available).

Exclusion criteria

Exclusion Criteria:

  • Long term use of medications that are known to inhibit fusion or bone metabolism or immune suppressants 6 months prior to surgery (i.e., , chemotherapy, DMARDs, etc.)
  • Treatment with radiotherapy
  • Acute or chronic systemic or localized spinal infections
  • Instability associated with major reconstructive surgery for primary tumors or malignant tumors of the cervical (for ACDF patients) or lumbar (for TLIF, PLIF, ALIF, or LLIF patients) spine
  • Previous pseudoarthrosis at any level of the cervical (for ACDF patients) or lumbar (for
  • TLIF, PLIF, ALIF, or LLIF patients) spine
  • Nursing mothers or women who are pregnant or plan to become pregnant during the course of the study
  • Current or recent history of or infectious disease. Patients with current or recent history of basal cell carcinoma are eligible.
  • Inability to provide
  • Rapid joint disease, bone absorption, osteomalacia, and/or diagnosed osteoporosis (bone density score of ≤-2.5).
  • Other medical or surgical conditions which would preclude the potential benefit of surgery, such as congenital abnormalities, disease, elevation of sedimentation rate unexplained by other diseases, elevation of white blood count (WBC), or marked left shift in the WBC differential count.
  • Active local or systemic infection or is undergoing adjunctive treatment for local or systemic infection.
Terms in these criteria, in plain language(5)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

06

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
118 participants (actual)
Patient registry
No

Groups and cohorts

  • Cervical Fusion - ACDF

    Patients undergoing anterior cervical discectomy and fusion (ACDF) using ViBone will be enrolled.

    Other: ViBone

  • Lumbar Interbody Fusion

    Patients undergoing lumbar interbody fusion (TLIF, PLIF, ALIF, or LLIF) using ViBone will also be enrolled.

    Other: ViBone

Interventions

  • OtherViBone

    Viable Bone Allograft

07

What researchers measure

Primary outcomes

  1. Fusion Rates Per Level Using the Bridwell Interbody Grading Scale

    Successful fusion rates for ViBone as defined by Grade I or II level of fusion on the Bridwell Interbody Grading Scale (below). The percentages below show at 12 months the amount of fusion per level for cervical and lumbar fusion procedures utilizing ViBone. Grade I: Fused with remodeling and trabeculae present. Grade II: Graft intact, not fully remodeled and incorporated, but no lucency present. Grade III: Graft intact, potential lucency present at top and bottom of graft. Grade IV: Fusion absent with collapse/resorption of graft.

    Time frame: 12 months

Secondary outcomes

  1. Percent Change From Baseline in Oswestry Disability Index (ODI) at 12 Months

    Oswestry Disability Index (ODI) improvement relative to baseline for lumbar spine fusion (0-100) 0 is no disability and 100 is bed-bound.

    Time frame: Baseline and 12 months

  2. Percent Change From Baseline in Neck Disability Index (NDI) at 12 Months

    Neck Disability Index (NDI) improvement relative to baseline for cervical spine fusion Scale of 0 - 100, where 0 is no problems at all and 100 is severely affected.

    Time frame: Baseline and 12 months

  3. Percent Change From Baseline in Visual Analog Scale (VAS) at 12 Months

    Visual Analog Scale (VAS) for pain improvement relative to baseline (Pain scale from 0-10, with 0 being No Pain and 10 being Worst Pain)

    Time frame: Baseline and 12 months

08

Results

Posted Mar 4, 2025

Participant flow

Participant flow — Overall Study
MilestoneCervical Fusion - ACDFLumbar Interbody Fusion
Started5464
Completed4847
Not completed617
Withdrew: Lost to follow-up24
Withdrew: Withdrawal by subject03
Withdrew: Subject did not meet i/e410

Outcome measures

PrimaryFusion Rates Per Level Using the Bridwell Interbody Grading Scale

Successful fusion rates for ViBone as defined by Grade I or II level of fusion on the Bridwell Interbody Grading Scale (below). The percentages below show at 12 months the amount of fusion per level for cervical and lumbar fusion procedures utilizing ViBone. Grade I: Fused with remodeling and trabeculae present. Grade II: Graft intact, not fully remodeled and incorporated, but no lucency present. Grade III: Graft intact, potential lucency present at top and bottom of graft. Grade IV: Fusion absent with collapse/resorption of graft.

Time frame:
12 months
Reported as:
Count of units · Fusions
Fusion Rates Per Level Using the Bridwell Interbody Grading Scale
FusionsCervical Fusion - ACDFLumbar Interbody Fusion
Fusion Rates Per Level Using the Bridwell Interbody Grading Scale6450
SecondaryPercent Change From Baseline in Oswestry Disability Index (ODI) at 12 Months

Oswestry Disability Index (ODI) improvement relative to baseline for lumbar spine fusion (0-100) 0 is no disability and 100 is bed-bound.

Time frame:
Baseline and 12 months
Reported as:
Mean · Percent change in ODI from baseline
Percent Change From Baseline in Oswestry Disability Index (ODI) at 12 Months
Percent change in ODI from baselineCervical Fusion - ACDFLumbar Interbody Fusion
Percent Change From Baseline in Oswestry Disability Index (ODI) at 12 Months—-50.6 ± 55.9
SecondaryPercent Change From Baseline in Neck Disability Index (NDI) at 12 Months

Neck Disability Index (NDI) improvement relative to baseline for cervical spine fusion Scale of 0 - 100, where 0 is no problems at all and 100 is severely affected.

Time frame:
Baseline and 12 months
Reported as:
Mean · Percent change in NDI from baseline
Percent Change From Baseline in Neck Disability Index (NDI) at 12 Months
Percent change in NDI from baselineCervical Fusion - ACDFLumbar Interbody Fusion
Percent Change From Baseline in Neck Disability Index (NDI) at 12 Months-41.9 ± 35.2—
SecondaryPercent Change From Baseline in Visual Analog Scale (VAS) at 12 Months

Visual Analog Scale (VAS) for pain improvement relative to baseline (Pain scale from 0-10, with 0 being No Pain and 10 being Worst Pain)

Time frame:
Baseline and 12 months
Reported as:
Mean · Percent Change from baseline
Percent Change From Baseline in Visual Analog Scale (VAS) at 12 Months
Percent Change from baselineCervical Fusion - ACDFLumbar Interbody Fusion
Percent Change From Baseline in Visual Analog Scale (VAS) at 12 Months-40.1 ± 41.5-57.5 ± 44.2

Adverse events

Collected over Adverse event information was collected for up to 1 year.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Cervical Fusion - ACDF0/48 (0%)0/48 (0%)0/48 (0%)
Lumbar Interbody Fusion0/47 (0%)0/47 (0%)0/47 (0%)

Baseline characteristics

95 patients (48 cervical; 47 lumbar) were included in the data analyses because they met the inclusion criteria and had at least one follow-up (6- and/or 12-month).

Age, Continuous
Age, Continuous(years)Cervical Fusion - ACDFLumbar Interbody FusionTotal
Mean54.6 ± 9.157.8 ± 9.556.2 ± 9.4
Sex: Female, Male
Sex: Female, Male(Participants)Cervical Fusion - ACDFLumbar Interbody FusionTotal
Female232447
Male252348
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Cervical Fusion - ACDFLumbar Interbody FusionTotal
Race/Ethnicity — White253560
Race/Ethnicity — Hispanic or Latino151025
Race/Ethnicity — Black or African American426
Race/Ethnicity — Other404
BMI, Continuous
BMI, Continuous(kg/m²)Cervical Fusion - ACDFLumbar Interbody FusionTotal
Mean27.9 ± 5.729.8 ± 5.228.8 ± 5.5
BMI, Categorical
BMI, Categorical(Participants)Cervical Fusion - ACDFLumbar Interbody FusionTotal
Normal (18.5 - <25.0)15621
Overweight (25.0 - <30.0)172542
Obese (30.0 - <40.0)161430
Morbidly Obese (>/=40.0)022
09

Study locations

4 sites
  • Spine Institute of San Diego
    San Diego, California 92120, United States
  • Connecticut Neck & Back Specialists, LLC
    Danbury, Connecticut 06810, United States
  • Anne Arundel Medical Group
    Annapolis, Maryland 21401, United States
  • Orthopedic Specialists of Austin
    Austin, Texas 78751, United States
10

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

11

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from May 2018 to primary completion in Jan 2021, 32 months.

Results were first posted in Mar 2025, 4 years 1 month after primary completion.

Of 37 observational studies under Spondylolisthesis, half reached primary completion within 63 months of starting (the median), counting those still running; a quarter within 32 and three quarters within 93. This study's 32 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 29, 2018
First posted
Feb 7, 2018
StartActual
May 14, 2018
Primary completionActual
Jan 15, 2021
CompletionActual
Jun 30, 2021
Results first posted
Mar 4, 2025
Last update
Mar 4, 2025
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Mar 4, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
12

Registry details

Key details

Study ID
NCT03425682
Lead sponsor
Elutia Inc.
Responsible party
Sponsor
First posted
Feb 7, 2018
Start date
May 14, 2018
Primary completion
Jan 15, 2021
Completion
Jun 30, 2021
Results posted
Mar 4, 2025
Last update
Mar 4, 2025

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Feb 2025. You cannot join it, but the record below documents what was studied.

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