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Trastuzumab in combination with weekly paclitaxel and carboplatin as neo-adjuvant treatment for HER2-positive breast cancer: The TRAIN-study.

Authors :
van Ramshorst, Mette S.
van Werkhoven, Erik
Mandjes, Ingrid A.M.
Schot, Margaret
Wesseling, Jelle
Vrancken Peeters, Marie-Jeanne T.F.D.
Meerum Terwogt, Jetske M.
Bos, Monique E.M.
Oosterkamp, Hendrika M.
Rodenhuis, Sjoerd
Linn, Sabine C.
Sonke, Gabe S.
Source :
European Journal of Cancer. Mar2017, Vol. 74, p47-54. 8p.
Publication Year :
2017

Abstract

Aim To determine the efficacy and safety of an anthracycline-free neo-adjuvant regimen consisting of weekly paclitaxel, carboplatin and trastuzumab in HER2-positive breast cancer. Patients and methods Patients with stage II or III HER2-positive breast cancer received weekly paclitaxel ([P], 70 mg/m 2 ), trastuzumab ([T], 2 mg/kg, loading dose 4 mg/kg) and carboplatin ([C], AUC = 3 mg ml −1 min) for 24 weeks. In weeks 7, 8, 15, 16, 23 and 24, trastuzumab was administered without chemotherapy. The primary end-point was pathologic complete response in the surgical resection specimen, defined as the absence of invasive tumour cells in breast and axilla. Results One hundred and eleven patients were included in the study, and 108 were evaluable for the primary end-point. The pathologic complete response rate was 43% (95% confidence interval [CI]: 33–52). Median follow-up was 52 months, and the 3-year event-free survival was 88% (95% CI: 82–94), and the 3-year overall survival was 92% (95% CI: 88–98). The most common grade 3–4 adverse events were neutropenia (67%) and thrombocytopenia (43%). Less than five percent of patients experienced febrile neutropenia. No symptomatic left ventricular systolic dysfunction was observed during neo-adjuvant treatment. Conclusion An anthracycline-free neo-adjuvant regimen of weekly paclitaxel, trastuzumab and carboplatin is highly effective in HER2-positive breast cancer with manageable toxicity. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
09598049
Volume :
74
Database :
Academic Search Index
Journal :
European Journal of Cancer
Publication Type :
Academic Journal
Accession number :
121430394
Full Text :
https://doi.org/10.1016/j.ejca.2016.12.023