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French study to see how many patients complete olaparib for early breast cancer

NCT ID NCT06856343

Knowledge-focused Sponsor: AstraZeneca 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Aug 26, 2026 · Updated 5 times

Summary

This French study is following 126 people with HER2-negative early breast cancer who are starting olaparib as part of their treatment. Researchers want to see how many patients finish the full 12-month course in real-world settings, not just in clinical trials. The study also looks at genetic mutations like BRCA to understand patient characteristics.

What this could mean

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

Active substance
Olaparib
What this could lead to
If successful, this study could show how well patients stick with olaparib in everyday care, helping doctors set realistic expectations for treatment completion.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove whether olaparib works or causes side effects. Results may not apply outside France.

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.

Participants

About 126 people

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

Started

Dec 2024

Expected to finish

Jan 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

Patients will be recruited from about 60 participating sites to reach the target of 126 subjects, with a maximum of 60% of subtype TN overall.

Ages

18 years and older

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: * Male or female aged ≥ 18 years * Patient diagnosed with HER2-negative eBC * Patient about to be initiated with adjuvant Olaparib at their physician's discretion * Patient has been informed and does not object to participation in the study. Exclusion Criteria: * Patient not consenting to participate. * Patients included in the Early Access Program

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm Her2-receptor negative breast cancer

As listed by the trial registrant

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

Breast cancer

How to take part

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

  1. The places running it

    58 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.

    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

  • Research Site

    RECRUITING

    Clermont-Ferrand, Auvergne-Rh ne-Alpes, 63050, France

  • Research Site

    RECRUITING

    Gleizé, Auvergne-Rh ne-Alpes, 69400, France

  • Research Site

    NOT_YET_RECRUITING

    Grenoble, Auvergne-Rh ne-Alpes, 38000, France

  • Research Site

    RECRUITING

    Lyon, Auvergne-Rh ne-Alpes, 69317, France

  • Research Site

    RECRUITING

    Metz-Tessy, Auvergne-Rh ne-Alpes, 74370, France

  • Research Site

    NOT_YET_RECRUITING

    Saint-Etienne, Auvergne-Rh ne-Alpes, 42030, France

  • Research Site

    NOT_YET_RECRUITING

    Saint-Priest-en-Jarez, Auvergne-Rh ne-Alpes, 42271, France

  • Research Site

    RECRUITING

    Thonon-les-Bains, Auvergne-Rh ne-Alpes, 74200, France

  • Research Site

    RECRUITING

    Valence, Auvergne-Rh ne-Alpes, 26000, France

  • Research Site

    NOT_YET_RECRUITING

    Valence, Auvergne-Rh ne-Alpes, 26953, France

  • Research Site

    NOT_YET_RECRUITING

    Dijon, Bourgogne-Franche-Comt, 21079, France

  • Research Site

    RECRUITING

    Plérin, Brittany Region, 22190, France

  • Research Site

    NOT_YET_RECRUITING

    Rennes, Brittany Region, 35042, France

  • Research Site

    NOT_YET_RECRUITING

    Saint-Brieuc, Brittany Region, 22027, France

  • Research Site

    RECRUITING

    Saint-Grégoire, Brittany Region, 35768, France

  • Research Site

    RECRUITING

    Chambray-lès-Tours, Centre-Val de Loire, 37170, France

  • Research Site

    RECRUITING

    Saint-Doulchard, Centre-Val de Loire, 18230, France

  • Research Site

    RECRUITING

    Bezannes, Grand Est, 51430, France

  • Research Site

    NOT_YET_RECRUITING

    Haguenau, Grand Est, 67504, France

  • Research Site

    RECRUITING

    Nancy, Grand Est, 54100, France

  • Research Site

    RECRUITING

    Beauvais, Hauts-de-France, 60021, France

  • Research Site

    RECRUITING

    Beuvry, Hauts-de-France, 62660, France

  • Research Site

    NOT_YET_RECRUITING

    Compiègne, Hauts-de-France, 60204, France

  • Research Site

    NOT_YET_RECRUITING

    Creil, Hauts-de-France, 60109, France

  • Research Site

    RECRUITING

    Dechy, Hauts-de-France, 59187, France

  • Research Site

    NOT_YET_RECRUITING

    Lille, Hauts-de-France, 59020, France

  • Research Site

    NOT_YET_RECRUITING

    Lille, Hauts-de-France, 59037, France

  • Research Site

    NOT_YET_RECRUITING

    Saint-Martin-Boulogne, Hauts-de-France, 62280, France

  • Research Site

    RECRUITING

    Salouël, Hauts-de-France, 80054, France

  • Research Site

    NOT_YET_RECRUITING

    Saint-Pierre-des-Corps, La R Union, 97448, France

  • Research Site

    NOT_YET_RECRUITING

    FORT de France Cedex, Martinique, 97261, France

  • Research Site

    NOT_YET_RECRUITING

    Agen, New Aquitaine, 47923, France

  • Research Site

    NOT_YET_RECRUITING

    Libourne, New Aquitaine, 33505, France

  • Research Site

    NOT_YET_RECRUITING

    Limoges, New Aquitaine, 87042, France

  • Research Site

    RECRUITING

    Périgueux, New Aquitaine, 24000, France

  • Research Site

    RECRUITING

    Poitiers, New Aquitaine, 86021, France

  • Research Site

    RECRUITING

    Caen, Normandy, 14000, France

  • Research Site

    RECRUITING

    Rouen, Normandy, 76175, France

  • Research Site

    NOT_YET_RECRUITING

    Béziers, Occitanie, 34500, France

  • Research Site

    RECRUITING

    Montpellier, Occitanie, 34070, France

  • Research Site

    RECRUITING

    Montpellier, Occitanie, 34298, France

  • Research Site

    RECRUITING

    Nîmes, Occitanie, 30900, France

  • Research Site

    RECRUITING

    Perpignan, Occitanie, 66046, France

  • Research Site

    RECRUITING

    Toulouse, Occitanie, 31300, France

  • Research Site

    NOT_YET_RECRUITING

    Nantes, Pays de la Loire Region, 44202, France

  • Research Site

    NOT_YET_RECRUITING

    Avignon, Provence-Alpes-C Te d'Azur, 84918, France

  • Research Site

    NOT_YET_RECRUITING

    Fréjus, Provence-Alpes-C Te d'Azur, 83608, France

  • Research Site

    NOT_YET_RECRUITING

    Marseille, Provence-Alpes-C Te d'Azur, 13385, France

  • Research Site

    NOT_YET_RECRUITING

    Nice, Provence-Alpes-C Te d'Azur, 06105, France

  • Research Site

    NOT_YET_RECRUITING

    Argenteuil, Île-de-France Region, 95107, France

  • Research Site

    RECRUITING

    Champigny-sur-Marne, Île-de-France Region, 94507, France

  • Research Site

    NOT_YET_RECRUITING

    Le Blanc-Mesnil, Île-de-France Region, 93150, France

  • Research Site

    RECRUITING

    Osny, Île-de-France Region, 95520, France

  • Research Site

    RECRUITING

    Paris, Île-de-France Region, 75651, France

  • Research Site

    RECRUITING

    Paris, Île-de-France Region, 75674, France

  • Research Site

    NOT_YET_RECRUITING

    Paris, Île-de-France Region, 75908, France

  • Research Site

    NOT_YET_RECRUITING

    Paris, Île-de-France Region, 75970, France

  • Research Site

    RECRUITING

    Sarcelles, Île-de-France Region, 95200, France

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