Brain training with a virtual coach may fight chemo fog
NCT ID NCT06027632
First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study tests whether online cognitive exercises, guided by a neuropsychologist, can reduce memory and thinking problems (chemo brain) in 300 breast cancer patients after chemotherapy. Participants will do 20-minute brain games three times a week for 12 weeks, with some getting weekly video coaching. The goal is to see if the coaching helps more than doing the exercises alone.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- computerized cognitive stimulation program (HAPPYneuron-Pro)
- What this could lead to
- If it works, this could offer a practical, at-home way to reduce 'chemo brain' and improve daily thinking skills for breast cancer survivors.
- What could go wrong
- This is an early-stage study with no prior results for this specific supervised approach. The benefit may be small or no better than unsupervised exercises, and results may not apply to all patients.
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
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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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2024
- Expected to finish
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Mar 2029
An estimate. End dates often move.
- Lead sponsor
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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
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18 months and older
- Sex
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Female participants only
- Healthy volunteers
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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 Hide 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 localized breast cancer * Age 18 or older, * Who have received adjuvant or neo-adjuvant chemotherapy and are currently undergoing adjuvant radiotherapy (ongoing hormone therapy, maintenance therapy other as target therapies or immunotherapy are permitted) until 6 months after end of radiotherapy. * Patients who report cognitive complaints that significantly impact their quality of life, as evaluated by the quality of life subscale of the FACT-Cog questionnaire. This subscale is composed by 4 questions: 1. I have been upset about these problems; 2. These problems have interfered with my ability to work; 3. These problems have interfered with my ability to do things I enjoy; 4. These problems have interfered with the quality of my life. Patients are eligible if their score on this subscale is at or below the 10th percentile, based on age guidelines and normative data (Lange et al., 2015), namely: * ≤ 8 for patients aged 30-49 years * ≤ 9 for patients aged 50-69 years * ≤ 10 for patients aged 70-89 years * Patients who have completed at least three years of primary school education, as determined by the Barbizet scale, * Patient with access to a functional laptop/computer with a keyboard, internet connection and an e-mail account - being able to use those tools alone, * Fluent in French, * Patients who have provided informed consent to participate in the study. Exclusion Criteria: * Personality disorder or any known progressive psychiatric pathology (e.g. schizophrenia), * Previous neurological history with ongoing cognitive symptoms (sequelae of head trauma, stroke, multiple sclerosis, epilepsy, neurodegenerative pathology, etc.), * Excessive alcohol intake or drug use, which could compromise participation to the intervention * Major visual and/or hearing deficit, * Patient who might not be able to complete neuropsychological testing, (including those with significant cognitive disorders that impede the completion of cognition tests, as determined by the cognitive screening test MoCA (MONTREAL COGNITIVE ASSESSMENT) and based on age and educational level according to GRECOGVASC (Reflection Group for Vascular COGnitive Assessment) normative data) * Already participating in a cognitive training program, * Refusal to participate, * Patient deprived of liberty or under guardianship, * Patient who might not be able to participate due to geographic, social or psychopathological reasons.
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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.
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The places running it
25 sites. The list below names each one and where it is.
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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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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
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CH Métropole Savoie
RECRUITINGChambéry, France
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CHU de Limoges
RECRUITINGLimoges, France
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CHU de Nimes
RECRUITINGNîmes, France
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Centre Antoine Lacassagne
RECRUITINGNice, France
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Centre Arrmoricain d'Oncologie
NOT_YET_RECRUITINGPlérin, France
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Centre Eugène Marquis
RECRUITINGRennes, France
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Centre François Baclesse
RECRUITINGCaen, 14000, France
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Centre George François Leclerc
NOT_YET_RECRUITINGDijon, France
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Centre Henri Becquerel
RECRUITINGRouen, France
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Centre Jean Perrin
NOT_YET_RECRUITINGClermont-Ferrand, France
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Centre Léon Bérard
RECRUITINGLyon, France
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Centre hospitalier de Bligny
RECRUITINGBriis-sous-Forges, France
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Centre hospitalier de Pau
RECRUITINGPau, France
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Clinique Haute Energie
NOT_YET_RECRUITINGNice, France
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Clinique Mathilde
RECRUITINGRouen, France
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Clinique Medico-chirurgicale Charcot
NOT_YET_RECRUITINGSainte-Foy-lès-Lyon, France
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Groupe Hospitalier Mutualiste de Grenoble
RECRUITINGGrenoble, France
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Gustave Roussy
RECRUITINGVillejuif, France
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Hôpital Saint-Louis
NOT_YET_RECRUITINGParis, France
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Hôpital privé du Confluent
RECRUITINGNantes, France
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ICM Val d'Aurelle
RECRUITINGMontpellier, France
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Institut Paoli Calmettes
RECRUITINGMarseille, France
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Institut de Cancérologie de Lorraine
NOT_YET_RECRUITINGNancy, France
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La Pitié Salpétrière
NOT_YET_RECRUITINGParis, France
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Polyclinique Bordeaux Nord Aquitaine
NOT_YET_RECRUITINGBordeaux, France
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