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Double fusion surgery shows promise for slipped vertebrae

NCT ID NCT03585439

Disease control Sponsor: CMC Ambroise Paré 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looked at 87 adults who had a two-step spinal fusion surgery for isthmic spondylolisthesis, a condition where a vertebra slips forward. The surgery combines an anterior approach (through the abdomen) with a posterior approach (through the back) to stabilize the spine. The goal was to check how well the bones fused and whether the procedure safely restored spinal alignment and nerve space.

What this could mean

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

Active substance
surgical procedure (anterior lumbar interbody fusion plus posterolateral fusion)
What this could lead to
If successful, this could confirm that a two-step spinal fusion is a safe and effective way to treat isthmic spondylolisthesis and improve patient outcomes.
What could go wrong
This is a small, completed observational study with no control group, so results may not apply to all patients. Surgery carries risks like infection, nerve damage, or incomplete fusion.

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

87 people

The number who actually took part.

Started

Jun 2018

Finished

Nov 2018

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

Consecutive cohort of patients operated in our center from 2013 to 2017

Ages

18 years and older

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: * All patients aged over 18 years * With isthmic spondylolisthesis at L4-L5 or L5-S1 * Operated in our center with a double approach: Anterior lumbar interbody fusion then postero-lateral fusion * Consent for participation Exclusion Criteria: * Pseudarthrosis L5-S1

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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.

Isthmic spondylolisthesis Surgical procedure, unspecified

Contacts and locations

Locations

  • CMC Ambroise Pare

    Neuilly-sur-Seine, Île-de-France Region, 92200, France

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