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Can a light cap boost brain power in kids with sickle cell?

NCT ID NCT06797583

Knowledge-focused Sponsor: St. Jude Children's Research 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Sep 11, 2026 · Updated 3 times

Summary

This study tests whether shining a special light on the head (transcranial photobiomodulation) can improve oxygen use and thinking skills in children with sickle cell disease. The brain needs steady oxygen, but sickle cell can reduce blood flow. Researchers will randomly assign 60 children (ages 8-17) to receive either active light therapy or a sham (placebo) treatment. The main goal is to see if the therapy is feasible and acceptable, and to check for side effects.

What this could mean

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

Active substance
Transcranial photobiomodulation (light therapy using a CytonBrite 1064nm LED device)
What this could lead to
If it works, this could point toward a new way to improve brain function and oxygen use in children with sickle cell disease.
What could go wrong
This is a very early feasibility study with only 60 participants. It is designed mainly to see if the approach is acceptable and safe, not to prove it works. The light therapy may not improve thinking or oxygen levels.

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

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Nov 2026

An estimate. Start dates often move.

Expected to finish

Dec 2029

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.

Ages

8 to 17 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: * Patient diagnosed with sickle cell disease of any genotype * Enrolled in the Sickle Cell Clinical Research and Intervention Program (SCCRIP) * Between the ages of 8 to 17 years * Primary language is English * Participant and Parent/Legal Guardian is willing to participate and provide consent/assent according to institutional guidelines Exclusion Criteria: * History of an abnormal transcranial doppler screening * History of a documented silent cerebral infarct * History of documented central nervous system injury, including a traumatic brain injury, Moya Moya disease, or overt stroke * Participant received transfusion treatment within the past three months.

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Conditions

The condition(s) this trial relates to.

sickle cell disease

As listed by the trial registrant

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

Sickle cell disease

How to take part

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  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

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