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New study aims to take the guesswork out of spinal fusion healing

NCT ID NCT05565456

Knowledge-focused Sponsor: Rijnstate Hospital Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 30 adults aged 45-80 who are having spinal fusion surgery for spondylolisthesis. Researchers will use CT scans to measure changes in the bone graft placed between vertebrae over time. The goal is to develop an objective way to assess whether the bones have fused properly, which is currently difficult to determine.

What this could mean

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

Active substance
autologous bone graft
What this could lead to
If successful, this could lead to a reliable, objective way to measure bone healing after spinal fusion surgery, helping doctors assess fusion status without guesswork.
What could go wrong
This is a small, observational study with only 30 participants. It does not test a new treatment, so it may not directly change patient care. The results may not apply to all spinal fusion patients.

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.

Participants

30 people

The number who actually took part.

Started

Dec 2022

Expected to finish

Nov 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Who is studied

Thirty patients with a symptomatic spondylolisthesis (lytic/degenerative/iatrogenic) who have an indication for single level lumbar interbody fusion (PLIF/TLIF) will be recruited.

Ages

45 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: * non-responsiveness to non-operative treatment in the six months prior to study enrolment * fusion indicated for only one segment in the L1 to S1/ilium region * between the age of 45 and 80. Exclusion criteria: * receiving revision spine surgery * not wanting to provide informed consent * pregnant or expecting to be pregnant within in the next two years.

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Conditions

The condition(s) this trial relates to.

spondylolisthesis

As listed by the trial registrant

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

Spinal fusion Spondylolisthesis

Contacts and locations

Locations

  • Rijnstate Hospital

    Arnhem, Gelderland, 6800 WC, Netherlands

More trials for these conditions

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