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AI learns to spot the two cues that define cerebral palsy motor levels

NCT ID NCT07824531

Diagnosis Sponsor: Samsung Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

The GMFCS sorts children with cerebral palsy into five levels of gross motor function, largely based on two visible things: whether an adult physically helps the child move, and whether the child bears weight on an external object like a walker or furniture. Scoring these cues takes an experienced clinician and is hardest between ages 2 and 6. This two-center study films 26 children with cerebral palsy performing everyday movements from multiple camera angles, then asks whether a vision-language AI model can detect those two cues from the video frames. The model answers only two yes-or-no questions per attempt, and a fixed rule turns those answers into a call on whether the movement was unaided. Researchers compare the model's calls with a human annotator's blind records. The study does not assign GMFCS levels; it tests whether the observations the GMFCS relies on can be read reliably from video.

What this could mean

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

Active substance
a vision-language artificial intelligence model that reads movement videos
What this could lead to
If it works, the model could give clinicians a second set of eyes for scoring gross motor function in young children with cerebral palsy, where assessment is hardest.
What could go wrong
This is a small feasibility study of 26 children at two hospitals, so the model may not perform as well across different settings, camera setups, or children. It does not assign GMFCS levels and is not meant to replace a clinician.

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

26 people

The number who actually took part.

Started

May 2025

Expected to finish

Dec 2026

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

Children with cerebral palsy aged 2 to 6 years under the care of the department of physical and rehabilitation medicine at Samsung Medical Center or Asan Medical Center, each with a GMFCS level assigned by the treating clinician. All five GMFCS levels are represented. Children were enrolled as they attended, without random selection.

Ages

2 to 6 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: * Clinical diagnosis of cerebral palsy * Aged 2 to 6 years at the time of video recording * Under the care of the department of physical and rehabilitation medicine at Samsung Medical Center or Asan Medical Center * A GMFCS level assigned by the treating clinician * Written informed consent from a parent or legal guardian for video recording Exclusion Criteria: * Consent for video recording is not given * GMFCS level cannot be clearly assessed * The child or the parent or legal guardian declines to take part in the study Withdrawal Criteria: * The child or the parent or legal guardian requests withdrawal during the study * The collected video is not of adequate quality for analysis * The participant's health status changes substantially during the study period

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Conditions

The condition(s) this trial relates to.

cerebral palsy

As listed by the trial registrant

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

Cerebral palsy

Contacts and locations

Locations

  • Asan Medical Center

    Seoul, 05505, South Korea

  • Samsung Medical Center

    Seoul, 06351, South Korea

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