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Could an extra spinal cut straighten scoliosis better?

NCT ID NCT05379868

Disease control Sponsor: Turku University 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This trial tests whether adding a posterior column osteotomy—a small cut in the spinal joints—during standard scoliosis surgery improves spine straightening in adolescents. Half of the participants will receive the extra procedure, and half will not. The study measures curve correction, lung function, pain, and quality of life to see if the extra step is worth it.

What this could mean

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

Active substance
Posterior column osteotomy (a surgical procedure that removes part of the spinal joints to help straighten the spine)
What this could lead to
If the extra spinal cut improves curve correction without raising risks, it could become the standard surgical approach for adolescent scoliosis.
What could go wrong
This is a relatively small trial, and the benefit is uncertain. The extra procedure may increase blood loss or complications without improving outcomes.

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

116 people

The number who actually took part.

Started

Jun 2022

Finished

Aug 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

10 to 21 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: * Adolescent idiopathic scoliosis (Lenke 1 to 4) * Age at surgery between 10 and 21 years * Cobb angle of 45 degrees or more * Posterior spinal fusion Exclusion Criteria: * Anteroposterior surgery * Vertebral column resection * Smoking * Diabetes mellitus * Bleeding disorder

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Conditions

The condition(s) this trial relates to.

adolescent idiopathic scoliosis

As listed by the trial registrant

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

Adolescent idiopathic scoliosis

Contacts and locations

Locations

  • Helsinki University Hospital

    Helsinki, FI-00029, Finland

  • Turku University Hospital

    Turku, 20900, Finland

More trials for these conditions

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