New spine device aims to help kids grow straight without repeat surgeries
NCT ID NCT02266667
First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tested a device called NEMOST, a growing rod implanted in the spine, along with physiotherapy, in 20 children aged 5 to 15 with progressive scoliosis. The goal was to see if it could keep the spine straight as the child grows and avoid the need for more surgeries. The main measure was whether the curve in the spine did not worsen by more than 15 degrees within a year after surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- NEMOST growing spine device
- What this could lead to
- If successful, this device could help children with progressive scoliosis maintain spine correction as they grow, reducing the need for repeated surgeries.
- What could go wrong
- This was a small, early study with only 20 participants and no comparison group. The device may not work for all types of scoliosis, and surgery always carries risks 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
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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
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20 people
The number who actually took part.
- Started
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Apr 2016
- Finished
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May 2019
- Lead sponsor
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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
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5 to 15 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient from 5 to 15 years old * Patient with neuromuscular scoliosis or progressive scoliosis resistant to conservative treatment * Patient with an indication of first-line surgery without graft * Patient with low skeletal maturity (Risser test = 0 and triradiate growth cartilages still open) * Signing of the consent by the holder (s) of parental authority and the investigator * Affiliated patient to a health service or entitled patient Exclusion Criteria: * Patient with a history of spinal surgery * Patient weighing more than 30 kg and with progressive scoliosis other than neuromuscular * Patient with contra-indication to Nemost device, that is to say: * Inflammation or acute Infection, local or systemic, * Allergy or intolerance titanium or polyetheretherketone, * Pathology or poor bone quality might compromise the attachment of the device, * Nonreducible Scoliosis, * Skin Substance insufficient to cover the wound, * Pathological Obesity, * Fracture and / or spinal tumor, * Patient whose behavior presents a risk of failure for the device.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hospital Necker Enfants Malades
Paris, 75015, France