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Could bright glasses beat brain fog? new study tests light therapy in young cancer survivors

NCT ID NCT05340881

Symptom relief Sponsor: Baylor College of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether wearing special glasses that emit bright light can help reduce fatigue and improve thinking speed and attention in children and teens who have been treated for a brain tumor. The study will include 40 survivors and compare the bright light glasses to dim light (placebo) glasses over 6 weeks. The main goal is to see if this approach is practical and acceptable, not yet to prove it works.

What this could mean

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

Active substance
bright light exposure
What this could lead to
If it works, this could point toward a simple, non-drug way to help brain tumor survivors feel less tired and think more clearly.
What could go wrong
This is a very small, early pilot study (40 people) testing feasibility, not effectiveness. The results may not apply to all survivors, and the light therapy may cause side effects like eye strain or headache.

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 40 people

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

Started

Oct 2022

Expected to finish

Jul 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.

Ages

10 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: * Diagnosed and treated for a brain tumor at Texas Children's Hospital * Treated with either surgery only or surgery and proton beam radiation therapy * Treated for tumors other than high-grade gliomas, brain stem gliomas, or atypical teratoid rhabdoid tumors given associated reduced survival rates * Currently or previously enrolled in longitudinal studies of neurocognitive outcomes in survivors of pediatric brain tumor (Lisa Kahalley, PI; H-29026, H-35681, H-40804, H-40961, H-49380, H-26785, H-41705 * Ages 10-18 years * At least 1 year post-diagnosis * Endorsed mild to moderate symptoms of fatigue on the PROMIS * Approval from Long-Term Survivorship provider * Adequate vision for computerized tasks * English-speaking * Intelligence Quotient (IQ) above 70 Exclusion Criteria: * Diagnosis and/or treatment for secondary malignancy in the past 12 months * Current or previous (within 12 months) suicidal ideation or severe depression requiring immediate intervention * Presence of photophobia or other eye diseases, seizures, and/or migraines * Use of photosensitizing medications * Current or previous use of light therapy

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Conditions

The condition(s) this trial relates to.

brain cancer brain neoplasm Fatigue

As listed by the trial registrant

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

Brain tumor

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  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

    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

  • Texas Children's Hospital

    RECRUITING

    Houston, Texas, 77030, United States

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