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06-11-2017 | Triple-negative breast cancer | Article

Role of Platinum in Early-Stage Triple-Negative Breast Cancer

Journal:
Current Treatment Options in Oncology

Authors: BS Alyssa La Belle, MD Jude Khatib, PhD William P. Schiemann, MD, MS Shaveta Vinayak

Publisher: Springer US

Abstract

Triple-negative breast cancer (TNBC) is both a clinically and genomically heterogeneous disease, with distinct molecular subtypes; however, most epidemiologic and clinical studies to date have defined it under a “one disease” umbrella. This is an important point, since one therapeutic approach for all TNBCs is unlikely to be successful given the underlying biological diversity. In this review, we explore the role of platinums in the treatment of TNBC, as well as the potential for biomarkers to predict patient response to these agents. The results of neoadjuvant TNBC trials, with addition of platinum to anthracycline/taxane-based chemotherapies, have been very encouraging given increases in pathologic complete response (pCR) rates. However, we do not have any evidence yet that these agents would lead to improvement in disease-free and overall survival. Moreover, addition of platinums increases toxicity and can compromise current standard chemotherapy doses, which further impedes their use in all TNBC patients. Therefore, the addition of platinums to standard chemotherapy should be used with caution and in discussion with patients after a careful assessment of risks and benefits. Clinical trials addressing the role of platinums in TNBC further remain of significant value.

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