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Back surgery may change how you walk – new study investigates

NCT ID NCT05231265

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how lumbar surgery changes the way people with chronic low back pain walk. Researchers will measure walking complexity (how adaptable your stride is) before and 3 to 6 months after surgery in 32 patients. The goal is to see if pain relief from surgery outweighs any stiffness caused by the procedure, leading to better walking adaptability.

What this could mean

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

Active substance
lumbar surgery (arthrodesis or prosthesis)
What this could lead to
If successful, this could provide a new way to objectively measure how well patients recover walking ability after back surgery.
What could go wrong
This is a small, early proof-of-concept study with only 32 participants, so results may not apply to everyone. The surgery itself carries risks like infection or nerve damage.

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

About 32 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2023

Expected to finish

Apr 2027

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

Patients with chronic low back pain requiring prosthesis or arthrodesis surgery for their lumbar pathology (surgery on one or two levels) followed at the Nîmes University Hospital or at the Grand Sud Polyclinic.

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: * Patients with chronic low back pain requiring prosthesis or arthrodesis surgery on one or two levels * Subject affiliated or beneficiary of a health insurance plan. * The patient must have given their free and informed consent Exclusion Criteria: * Patients with organic low back pain (infection, tumor, inflammatory rheumatism) * Patient with a neurological deficit (cauda equina syndrome or motor testing MRC \< 3 on a muscle group of the lower limbs) * Patient who has already undergone lumbar surgery (except single discectomy) * Patient with serious concomitant pathologies * Patients participating in a therapeutic study prohibiting participation in another study * Patient in an exclusion period from a different study * It is impossible to give the subject informed information * Patient is unable to express consent * The patient is under safeguard of justice or state guardianship * Patient is pregnant, parturient or breastfeeding

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Conditions

The condition(s) this trial relates to.

Low Back Pain lumbar disk degenerative disorder

As listed by the trial registrant

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

Low back pain

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CHU Nîmes

    RECRUITING

    Nîmes, France

  • Polyclinique Grand Sud

    NOT_YET_RECRUITING

    Nîmes, France

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