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New motorized rod could straighten spines without repeated surgeries

NCT ID NCT03330158

Disease control Sponsor: University Hospital, Toulouse 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 01, 2026 · Updated 2 times

Summary

This study tests a new motorized spinal rod (ASTS) in 5 children aged 4-10 with severe early-onset scoliosis. The rod is implanted and can be lengthened remotely to correct the spine curve over time. The goal is to see if the device is safe and works as intended, potentially reducing pain and complications compared to traditional treatments.

What this could mean

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

Active substance
motorized spinal distraction rod (ASTS device)
What this could lead to
If successful, this device could offer a less invasive way to correct severe scoliosis in young children, potentially reducing pain and the need for repeated surgeries.
What could go wrong
This is a very small, early feasibility study with only 5 participants, so results may not apply to all children. The device may fail to correct the curve or cause complications like infection or implant failure.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

5 people

The number who actually took part.

Started

Feb 2019

Finished

Dec 2025

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.

Ages

4 to 10 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: * Patient 4 to 10 years * Patient weight between 15kg at 50kg * Introducing severe scoliosis (Cobb angle\> 40 °) with early onset * Failed or cons-indication of conservative treatment (cast or brace) * Agreement of parents or legal guardian (written agreement) and the patient (at least an oral agreement). Exclusion Criteria: * Contraindication to surgery * Age less than 4 years or above 10 years * Weight less 15kg and above 50 kg

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Conditions

The condition(s) this trial relates to.

scoliosis

As listed by the trial registrant

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

Scoliosis

Contacts and locations

Locations

  • CHU de Toulouse

    Toulouse, 31000, France

More trials for these conditions

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