New hope for 'chemo brain': study tests two therapies to sharpen memory in breast cancer survivors

NCT ID NCT05289258

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two non-drug treatments—cognitive rehabilitation (brain training) and the Unified Barlow Protocol (emotional therapy)—against a waitlist group to see if they can reduce memory and thinking problems in breast cancer survivors. 123 survivors with mild to moderate cognitive issues will be randomly assigned to one of the three groups. The goal is to improve cognitive function, emotional health, and quality of life, with results checked after six months.

What this could mean

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

Active substance
cognitive rehabilitation and Unified Barlow Protocol (behavioral interventions)
What this could lead to
If successful, this could offer breast cancer survivors a non-drug way to improve memory, thinking, and emotional well-being after chemotherapy.
What could go wrong
This is a small, early-stage trial with 123 participants. The interventions are behavioral, so results may vary and may not apply to all survivors. Long-term benefits are uncertain.

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 123 people

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

Started

Jan 2021

Expected to finish

Dec 2028

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

18 to 70 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: * Cancer diagnosis, stages I-III. * Cancer type: Breast. * Have received the last chemotherapy session in the last 6 months and a maximum of 6 years of treatment completion. * Probable or mild to moderate cognitive impairment (score between 26 and 10 points according to the MMSE). * Ability to be fluent in Spanish. * Not currently participating in another clinical trial. * Not currently receiving other psychological treatment Exclusion Criteria: * Men and women aged \> 70 years. * Diagnosis of cancer, stage IV or other types of cancer. * Last chemotherapy session \< 6 months or \> 6 years. * No cognitive impairment (MMSE score between 30 and 27 points). * Diagnosis of mental disorder (including substance abuse) prior to cancer diagnosis. * Relapse in disease after chemotherapy treatment is completed. * Neurodevelopmental Disorder Diagnosis. * Diagnosis of diseases that affect cognitive performance such as: hypertension, cardiac diseases, epilepsy, dementias, multiple sclerosis, functional disorders (fibromyalgia, chronic fatigue syndrome, irritable bowel syndrome, post-concussion syndrome, whiplash syndrome), CNS infections (HIV, encephalitis), metabolic disorders (diabetes, B12 deficiency), obstructive sleep apnea, brain damage (stroke, TBI, CNS cancer) and use of medications / substances that interfere with cognitive function such as pregabalin, gabapentin, topiramate, antidepressants tricyclics, sodium valproate, anticholinergics, methylphenidate, typical antipsychotics.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    2 sites. 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.

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  3. A doctor treating you

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Contacts and locations

Locations

  • Hospital Universitario Reina Sofía

    NOT_YET_RECRUITING

    Córdoba, 14005, Spain

  • Reina Sofía University Hospital

    RECRUITING

    Córdoba, Spain

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