• Breast · Feb 2013

    Review

    Efficacy of HER2-targeted therapy in metastatic breast cancer. Monoclonal antibodies and tyrosine kinase inhibitors.

    • Dorte L Nielsen, Iben Kümler, Jesper A E Palshof, and Michael Andersson.
    • Department of Oncology, Herlev Hospital, University of Copenhagen, Herlev Ringvej 75, DK-2730 Herlev, Denmark. dornie01@heh.regionh.dk
    • Breast. 2013 Feb 1; 22 (1): 1-12.

    AbstractTherapies targeting the human epidermal growth factor receptor (HER) 2 are effective in metastatic breast cancer (MBC). We review the efficacy of HER2-directed therapies, focussing on monoclonal antibodies and tyrosine kinase inhibitors targeting HER2 that have been tested in phase II-III studies in MBC. Trastuzumab is an important component of first-line treatment of HER2-positive MBC. New anti-HER2 drugs have the potential to change clinical practice. The potential role of the different drugs and regimens is yet to be determined. The response rate for trastuzumab-DM1 of 26-64% is comparable to those obtained for capecitabine plus lapatinib (48%), continuing trastuzumab in combination with capecitabine (48%), pertuzumab plus trastuzumab (24%), and neratinib (24%). Strategies combining multiple HER2-directed therapies might yield additive or synergistic effects and lead to improved outcome. The future challenges include understanding HER2 functions, designing rational combinations and optimal selection of patients.Copyright © 2012 Elsevier Ltd. All rights reserved.

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