AI takes the guesswork out of scoliosis surgery
NCT ID NCT07723053
First seen Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time
Summary
This trial tests whether a machine learning tool, called the Drum Tower Rule, can help surgeons select the lowest vertebra to fuse during corrective surgery for adolescent idiopathic scoliosis. About 300 teens with specific curve types will be randomly assigned to have surgery guided by the model or by standard surgeon experience. The goal is to see if the model reduces the chance of the spine curving again below the fused area within two years.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a machine learning decision-support model called the Drum Tower Rule
- What this could lead to
- If successful, this approach could reduce the risk of spinal curve progression after scoliosis surgery, improving long-term outcomes for adolescents.
- What could go wrong
- The model is untested in real-time surgery, and its recommendations may not always outperform a surgeon's judgment. The trial is also limited to specific curve types.
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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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2030
An estimate. End dates often move.
- 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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10 to 18 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.
Show the full entry requirements Hide 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: * Diagnosis of adolescent idiopathic scoliosis classified as Lenke type 1A or Lenke type 5C. * Age 10 to 18 years, inclusive. * Scheduled to undergo posterior spinal fusion using an all-pedicle screw instrumentation system. * Planned selective thoracic fusion or selective lumbar fusion, with a clinical need for lowest instrumented vertebra decision-making. * Availability of required preoperative standing full-spine radiographs and bending radiographs. * Ability and willingness to complete the planned 24-month postoperative follow-up. * Written informed consent provided by the participant and legal guardian. Exclusion Criteria: * \- Congenital scoliosis, neuromuscular scoliosis, syndromic scoliosis, or other non-idiopathic scoliosis. * History of spinal trauma, spinal tumor, spinal tuberculosis, or spinal infection. * Previous spinal surgery. * Severe sagittal spinal deformity, such as Scheuermann disease, for which the study model is not applicable. * Neurological symptoms or signs. * Leg length discrepancy greater than 10 mm. * The surgeon determines that there is no clinical equipoise for lowest instrumented vertebra selection because one option is clearly contraindicated for safety or anatomical reasons. * Inability to complete follow-up or required study assessments.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School
Nanjing, Jiangsu, 210008, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Virtual reality could transform scoliosis therapy for teens
- Can a Night-Time brace or targeted exercises halt scoliosis curves in teens?
- Could a sweet drink before surgery speed up recovery?
- Could an extra spinal cut straighten scoliosis better?
- Can scoliosis weaken more than the spine? a study investigates