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Light therapy may ease chemo brain fog in breast cancer survivors

NCT ID NCT06995443

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tests a non-drug light treatment called photobiomodulation to see if it can improve memory and thinking problems (chemobrain) in women who had chemotherapy for breast cancer. About 200 women who finished chemo within the past year and have ongoing cognitive complaints will receive either the light treatment or a placebo. The goal is to find a safe, side-effect-free way to ease these common post-chemo symptoms.

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 200 people

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

Started

Jun 2025

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Female participants only

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: * Women aged 18 and over * Having completed chemotherapy (intravenous) for breast cancer (any stage) less than 12 months prior to inclusion * Having a perceived cognitive complaint that appeared during or after (\< 3 months) chemotherapy treatments (no restriction on the care protocol used) and confirmed by a FACT-Cog score compatible with a subjective cognitive disorder (score \< 117 for patients aged 18 to 49; score \< 113 for patients aged 50 to 69; score \<105 for patients aged 70 and over) * Patient eligible for photobiomodulation sessions * Patient with sufficient command of the French language to complete the study questionnaries * Patient having given written consent to participate in the trial * Socially insured patient * Patient willing to comply with all study procedures and duration Exclusion Criteria: * Known cognitive disorders prior to chemotherapy treatment * Patients with psychiatric or psychobehavioral disorders incompatible with photobiomodulation sessions * Patients who, in the 12 months prior to inclusion or at the time of inclusion, have already received photobiomodulation treatment involving "whole body" therapy (photobiomodulation in a phototherapy booth). * Patient having previously received photobiomodulation with cortical stimulation (panel or helmet) with no time limit. * Patient taking or having received capecitabine * Patients taking part in a protocol involving a drug likely to affect cognitive performance (on the investigator's advice). * Patients suffering from claustrophobia * Patient unable to read and/or unable to complete a questionnaire, in the opinion of the investigator

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm cognitive disorder Cognitive Dysfunction neoplasm

As listed by the trial registrant

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

Cognitive disorders Oncology Support care

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

  • Centre Hospitalier de Valenciennes

    RECRUITING

    Valenciennes, 59300, France

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