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Prognosis of breast cancer molecular subtypes in routine clinical care: A large prospective cohort study

Hennigs, André ; Riedel, Fabian ; Gondos, Adam ; Sinn, Peter ; Schirmacher, Peter ; Marmé, Frederik ; Jäger, Dirk ; Kauczor, Hans-Ulrich ; Stieber, Anne ; Lindel, Katja ; Debus, Jürgen ; Golatta, Michael ; Schütz, Florian ; Sohn, Christof ; Heil, Jörg ; Schneeweiß, Andreas

In: BMC Cancer, 16 (2016), Nr. 734. pp. 1-9. ISSN 1471-2407

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Download (596kB) | Lizenz: Creative Commons LizenzvertragPrognosis of breast cancer molecular subtypes in routine clinical care: A large prospective cohort study by Hennigs, André ; Riedel, Fabian ; Gondos, Adam ; Sinn, Peter ; Schirmacher, Peter ; Marmé, Frederik ; Jäger, Dirk ; Kauczor, Hans-Ulrich ; Stieber, Anne ; Lindel, Katja ; Debus, Jürgen ; Golatta, Michael ; Schütz, Florian ; Sohn, Christof ; Heil, Jörg ; Schneeweiß, Andreas underlies the terms of Creative Commons Attribution 3.0 Germany

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Abstract

Background: In Germany, most breast cancer patients are treated in specialized breast cancer units (BCU), which are certified, and routinely monitored. Herein, we evaluate up-to-date oncological outcome of breast cancer (BC) molecular subtypes in routine clinical care of a specialized BCU. Methods: The study was a prospectively single-center cohort study of 4102 female cases with primary, unilateral, non-metastatic breast cancer treated between 01 January 2003 and 31 December 2012. The five routinely used molecular subtypes (Luminal A-like, Luminal B/HER2 negative-like, Luminal B/HER2 positive-like, HER2-type, Triple negative) were analyzed. The median follow-up time of the whole cohort was 55 months. We calculated estimates for local control rate (LCR), disease-free survival (DFS), distant disease-free survival (DDFS), overall survival (OS), and relative overall survival (ROS). Results: Luminal A-like tumors were the most frequent (44.7%) and showed the best outcome with LCR of 99.1% (95% CI 98.5; 99.7), OS of 95.1% (95% CI 93.7; 96.5), and ROS of 100.0% (95% CI 98.5; 101.5). Triple negative tumors (12.3%) presented the poorest outcome with LCR of 89.6% (95% CI 85.8; 93.4), OS of 78.5% (95% CI 73.8; 83.3), and ROS of 80.1% (95% CI 73.8; 83.2). Conclusions: Patients with a favorable subtype can expect an OS above 95% and an LCR of almost 100% over 5 years. On the other hand the outcome of patients with HER2 and Triple negative subtypes remains poor, thus necessitating more intensified research and care.

Item Type: Article
Journal or Publication Title: BMC Cancer
Volume: 16
Number: 734
Publisher: BioMed Central; Springer
Place of Publication: London; Berlin; Heidelberg
Date Deposited: 20 Sep 2016 13:17
Date: 2016
ISSN: 1471-2407
Page Range: pp. 1-9
Faculties / Institutes: Service facilities > German Cancer Research Center (DKFZ)
Medizinische Fakultät Heidelberg > Universitäts-Frauenklinik
Medizinische Fakultät Heidelberg > Radiologische Universitätsklinik
Medizinische Fakultät Heidelberg > Pathologisches Institut
Subjects: 610 Medical sciences Medicine
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