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

NCT ID NCT06856343

Recruiting now Knowledge-focused Sponsor: AstraZeneca Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jul 08, 2026 · Updated 3 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.

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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

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Research Site
RECRUITING

Clermont-Ferrand, Auvergne-Rh ne-Alpes, 63050, France
Research Site
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Gleizé, Auvergne-Rh ne-Alpes, 69400, France
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NOT_YET_RECRUITING

Grenoble, Auvergne-Rh ne-Alpes, 38000, France
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Lyon, Auvergne-Rh ne-Alpes, 69317, France
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Metz-Tessy, Auvergne-Rh ne-Alpes, 74370, France
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NOT_YET_RECRUITING

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

Saint-Priest-en-Jarez, Auvergne-Rh ne-Alpes, 42271, France
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Thonon-les-Bains, Auvergne-Rh ne-Alpes, 74200, France
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Valence, Auvergne-Rh ne-Alpes, 26000, France
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NOT_YET_RECRUITING

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

Dijon, Bourgogne-Franche-Comt, 21079, France
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Plérin, Brittany Region, 22190, France
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NOT_YET_RECRUITING

Rennes, Brittany Region, 35042, France
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NOT_YET_RECRUITING

Saint-Brieuc, Brittany Region, 22027, France
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Saint-Grégoire, Brittany Region, 35768, France
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Chambray-lès-Tours, Centre-Val de Loire, 37170, France
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Saint-Doulchard, Centre-Val de Loire, 18230, France
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Bezannes, Grand Est, 51430, France
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NOT_YET_RECRUITING

Haguenau, Grand Est, 67504, France
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Nancy, Grand Est, 54100, France
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Beauvais, Hauts-de-France, 60021, France
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Beuvry, Hauts-de-France, 62660, France
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NOT_YET_RECRUITING

Compiègne, Hauts-de-France, 60204, France
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Creil, Hauts-de-France, 60109, France
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Dechy, Hauts-de-France, 59187, France
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NOT_YET_RECRUITING

Lille, Hauts-de-France, 59020, France
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NOT_YET_RECRUITING

Lille, Hauts-de-France, 59037, France
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NOT_YET_RECRUITING

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

Salouël, Hauts-de-France, 80054, France
Research Site
NOT_YET_RECRUITING

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

FORT de France Cedex, Martinique, 97261, France
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NOT_YET_RECRUITING

Agen, New Aquitaine, 47923, France
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NOT_YET_RECRUITING

Libourne, New Aquitaine, 33505, France
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NOT_YET_RECRUITING

Limoges, New Aquitaine, 87042, France
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Périgueux, New Aquitaine, 24000, France
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Poitiers, New Aquitaine, 86021, France
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Caen, Normandy, 14000, France
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Rouen, Normandy, 76175, France
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NOT_YET_RECRUITING

Béziers, Occitanie, 34500, France
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Montpellier, Occitanie, 34070, France
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Montpellier, Occitanie, 34298, France
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Nîmes, Occitanie, 30900, France
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Perpignan, Occitanie, 66046, France
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Toulouse, Occitanie, 31300, France
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NOT_YET_RECRUITING

Nantes, Pays de la Loire Region, 44202, France
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NOT_YET_RECRUITING

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

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

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

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

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

Champigny-sur-Marne, Île-de-France Region, 94507, France
Research Site
NOT_YET_RECRUITING

Le Blanc-Mesnil, Île-de-France Region, 93150, France
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Osny, Île-de-France Region, 95520, France
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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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