The Southeast Netherlands Advanced Breast Cancer (SONABRE) Registry is a real life multi-center study. The registry aims to include all patients diagnosed with advanced breast cancer as of 2007 in 11 hospitals in the Netherlands. Data on patient, tumor and treatment characteristics are collected retrospectively from electronic medical files by trained registry clerks.
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* Diagnosed with de novo or recurrent advanced breast cancer since 2007
* Diagnosed with or treated for advanced breast cancer in one of the participating hospitals
* Participating hospitals (period of inclusion): Maastricht UMC+ (2007-2025), Zuyderland hospitals Sittard/Heerlen (2007-2025), Amphia Hospital Breda (2013-2025), Catharina Hospital Eindhoven (2007-2025), Elkerliek Hospital Helmond (2010-2025), Maxima Medical Center Veldhoven/Eindhoven (2007-2025), Jeroen Bosch Hospital Den Bosch (2013-2025), Laurentius Hospital Roermond (2007-2025), St. Annaziekenhuis Geldrop (2007-2025), St. Elisabeth Hospital Tilburg (2007-2009), St. Jans Gasthuis Weert (2007-2025), VieCuri Medical Center Venlo/Venray (2013-2025), all in the Netherlands.
* Hospitals (and periods) were eligible for inclusion if (distant) registration from Maastricht UMC+ was possible.
* The inclusion period may be prolonged after 2025.
Exclusion Criteria: none
Primary outcome measure(s)
Treatment pattern — up to 13 years Treatment pattern per palliative treatment line; proportion of patients receiving chemotherapy, chemotherapy plus targeted therapy, endocrine therapy, endocrine therapy plus targeted therapy or targeted therapy alone
Trial sites (1)
Facility
City
Region
Status
Multiple hospitals in the Netherlands (see Eligibility)
Maastricht
Netherlands
Recruiting
More Academisch Ziekenhuis Maastricht trials in the Netherlands
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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