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Light therapy shows promise for stiff muscles in kids with cerebral palsy

NCT ID NCT06536751

Symptom relief Sponsor: University of Nove de Julho 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether shining a special light (photobiomodulation) on the calf muscles can reduce spasticity in children with cerebral palsy. Twelve children aged 2 to 18 received either real or placebo light therapy once a week for two months, alongside their usual care. The goal was to see if this safe, painless treatment could improve muscle tone and movement.

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

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

12 people

The number who actually took part.

Started

Aug 2023

Finished

Dec 2024

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

2 to 18 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: * Patients with diagnosis of spastic cerebral palsy affecting inferior limbs from any etiology; * Cerebral palsy duration at least 03 months; * Patients ongoing physiotherapy treatment at University. Exclusion Criteria: * Patients with fixed anatomical deformities of the ankle that do not allow ankle joint movement of at least 90 degrees of amplitude; * Patients with malnutrition; * Patients who present acute clinical conditions with potential for increase spasticity such as acute fractures, skin ulcers, acute infections; * Patients with severe gastroesophageal reflux disease; * Patients with another type of movement or tone disorder; * Patients who have exposed tumors in the area to be irradiated; * Patients with a history of photosensitivity to photonic or light therapy; * Patients who have undiagnosed lesions in the treatment region; * Patients using topical photosensitizing medications or creams;

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Conditions

The condition(s) this trial relates to.

cerebral palsy Muscle Spasticity spastic cerebral palsy

As listed by the trial registrant

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

Cerebral palsy Low level laser therapy Muscle spasticity Photobiomodulation

Contacts and locations

Locations

  • Universidade Nove de Julho / Post-Graduate program Biophotonics Applied to Health Sciences

    São Paulo, São Paulo, 01502001, Brazil

  • Universidade Nove de Julho / Post-Graduate program Biophotonics Applied to Health Sciences

    São Paulo, Brazil

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