Prevalence of circulating tumor cells after adjuvant chemotherapy with or without anthracyclines in patients with HER2-negative, hormone receptor-positive early breast cancer
Background: Use of anthracycline-based chemotherapy in patients with early breast cancer (EBC) has been well-established but is often associated with cardiotoxicity. Based on data suggesting a limited benefit of anthracyclines in human epidermal growth factor receptor 2 (HER2)-negative patients, the...
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| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
Jan 10, 2017
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| In: |
Clinical breast cancer
Year: 2017, Jahrgang: 17, Heft: 4, Pages: 279-285 |
| ISSN: | 1938-0666 |
| DOI: | 10.1016/j.clbc.2016.11.008 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1016/j.clbc.2016.11.008 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S1526820916302579 
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| Verfasserangaben: | Amelie Schramm, Fabienne Schochter, Thomas W. P. Friedl, Nikolaus de Gregorio, Ulrich Andergassen, Marianna Alunni-Fabbroni, Elisabeth Trapp, Bernadette Jaeger, Georg Heinrich, Oumar Camara, Thomas Decker, Angelika Ober, Sven Mahner, Tanja N. Fehm, Klaus Pantel, Peter A. Fasching, Andreas Schneeweiss, Wolfgang Janni, Brigitte K. Rack. on behalf of the SUCCESS study group |
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| 245 | 1 | 0 | |a Prevalence of circulating tumor cells after adjuvant chemotherapy with or without anthracyclines in patients with HER2-negative, hormone receptor-positive early breast cancer |c Amelie Schramm, Fabienne Schochter, Thomas W. P. Friedl, Nikolaus de Gregorio, Ulrich Andergassen, Marianna Alunni-Fabbroni, Elisabeth Trapp, Bernadette Jaeger, Georg Heinrich, Oumar Camara, Thomas Decker, Angelika Ober, Sven Mahner, Tanja N. Fehm, Klaus Pantel, Peter A. Fasching, Andreas Schneeweiss, Wolfgang Janni, Brigitte K. Rack. on behalf of the SUCCESS study group |
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| 520 | |a Background: Use of anthracycline-based chemotherapy in patients with early breast cancer (EBC) has been well-established but is often associated with cardiotoxicity. Based on data suggesting a limited benefit of anthracyclines in human epidermal growth factor receptor 2 (HER2)-negative patients, the Simultaneous Study of Docetaxel Based Anthracycline Free Adjuvant Treatment Evaluation, as well as Life Style Intervention Strategies (SUCCESS) C study randomized patients to either anthracycline-containing or anthracycline-free chemotherapy. Given the proven prognostic value of circulating tumor cells (CTCs) in EBC, we compared the prevalence of CTCs after chemotherapy between both treatment arms for a preliminary efficacy assessment. Methods: The SUCCESS C trial (NCT00847444) is an open-label, phase III study randomizing 3547 patients with HER2-negative EBC to either 3 cycles of epirubicin, 5-fluorouracil, and cyclophosphamide followed by 3 cycles of docetaxel (FEC-DOC) or 6 cycles of docetaxel and cyclophosphamide (DOC-C). CTC status was prospectively evaluated in hormone receptor-positive patients at the time of last chemotherapy cycle using the US Food and Drug Administration-approved CellSearch System (Janssen Diagnostics). Results: Data on CTC status were available for 1766 patients. Overall, CTCs were found in 221 (12.5%) patients. Univariate analyses revealed that presence of CTCs at time of last chemotherapy cycle was not significantly associated with tumor or patient characteristics (all P > .1). There was no significant difference with respect to presence of CTCs between patients randomized to FEC-DOC or DOC-C (11.5% vs. 13.6%; P = .18). Conclusions: The comparable prevalence of CTCs at the time of last chemotherapy cycle may indicate that anthracycline-free chemotherapy is equally effective to anthracycline-containing chemotherapy in HER2-negative, hormone receptor-positive EBC. However, efficacy data from the final survival analysis of SUCCESS C have to be awaited to confirm these preliminary findings. | ||
| 650 | 4 | |a Adjuvant chemotherapy | |
| 650 | 4 | |a Anthracyclines | |
| 650 | 4 | |a Circulating tumor cells | |
| 650 | 4 | |a HER2-negative early breast cancer | |
| 700 | 1 | |a Schneeweiss, Andreas |d 1961- |e VerfasserIn |0 (DE-588)109972554 |0 (DE-627)632849630 |0 (DE-576)327251859 |4 aut | |
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