Why do breast cancer patients in northern france wait too long for treatment?
NCT ID NCT07475325
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at why women in the Hauts-de-France region of France may wait longer to start breast cancer treatment, even though they get cancer at similar rates as elsewhere. Researchers will track 500 women from their first symptom to their first treatment, breaking down delays into steps like getting a mammogram or biopsy. The goal is to find out what personal or social factors cause these delays, so care can be improved.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Mar 2028
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.
Who is studied
Adult women with recently diagnosed invasive breast carcinoma, receiving care in a participating Hauts-de-France center.
- Ages
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18 years 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: * Female, age ≥ 18 years. * Confirmed invasive breast carcinoma. * Diagnosis in 2024 (and/or \< 12 months at inclusion depending on center organization). * Affiliated with the French social security system. * Resident of Hauts-de-France since diagnosis. * Information provided and non-opposition documented (MR-003). Exclusion Criteria: * Male breast cancer. * Other histologies (phyllodes tumor, sarcoma, lymphoma). * Pure ductal carcinoma in situ (in situ only). * Personal history of breast cancer (including in situ). * Non-French-speaking. * Person deprived of liberty.
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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.
Contacts and locations
Locations
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CH Beauvais
Beauvais, 60000, France
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CH Bethune
Béthune, 62408, France
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CH Boulogne
Boulogne, 62321, France
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CH Calais
Calais, 62107, France
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CH Chauny
Chauny, 02300, France
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CH Compiègne
Compiègne, 60321, France
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CH Dunkerque
Dunkirk, 59385, France
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CH Lens
Lens, 62300, France
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CH Roubaix
Roubaix, 59100, France
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CH Soissons
Soissons, 02200, France
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CH St Quentin
Saint-Quentin, 02321, France
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CH Tourcoing
Tourcoing, 59208, France
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CH Valenciennes
Valenciennes, 59322, France
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CHU Amiens
Amiens, 80054, France
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CHU Lille
Lille, 59037, France
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Centre Gray
Maubeuge, 59600, France
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Centre Leonard de Vinci
Dechy, 59187, France
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Centre Marie Curie
Arras, 62000, France
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Centre Oscar Lambret
Lille, 59000, France
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Centre Pierre Curie
Beuvry, 62321, France
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Centre de Radiothérapie de Compiègne
Compiègne, 60200, France
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Centre de Radiothérapie de Creil
Creil, 60100, France
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Clinique Ste Isabelle
Abbeville, 80100, France
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Clinique Victor Pauchet
Amiens, 80090, France
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Clinique de Flandre
Coudekerque-Branche, 59210, France
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Clinique de la Victoire
Tourcoing, 59200, France
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Clinique des dentellières
Valenciennes, 59300, France
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Hôpital St Vincent
Lille, 59000, France
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Hôpital privé Le Bois
Lille, 59000, France
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Hôpital privé Les Bonnettes
Arras, 62000, France
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Institut Andrée Dutreix
Dunkirk, 59240, France
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Polyclinique St Côme
Compiègne, 60200, France
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Polyclinique d'Hénin-Beaumont
Hénin-Beaumont, 62254, France
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Polyclinique de la Clarence
Divion, 62460, France
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