Eribulin mesylate as a microtubule inhibitor for treatment of patients with metastatic breast cancer
Eva Muñoz-Couselo, José Pérez-García, Javier Cortés
Breast Cancer Unit, Vall d’Hebron Institute of Oncology, Vall d’Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
Abstract: Metastatic breast cancer (MBC) remains an incurable disease, with the goals of care aimed at maximizing the patient’s duration and quality of life. Treatment options for MBC have become more efficacious and numerous. In addition to endocrine and chemotherapy agents, a number of targeted agents, including trastuzumab and bevacizumab, have further enhanced the landscape of therapeutic options. Eribulin mesylate (E7389) is a nontaxane microtubule dynamics inhibitor, and a structurally simplified synthetic analog of the natural marine product, halichondrin B, with a novel mechanism of action that has shown antitumor activity in pretreated MBC. Eribulin has shown a manageable tolerability profile in Phase I–II clinical trials and an improvement in overall survival compared with treatment of physician’s choice, without relevant toxicities in a recently published Phase III trial. This review will focus on eribulin as a new active agent for MBC and its role in the management of breast disease.
Keywords: metastatic breast cancer, eribulin mesylate, halichondrin B, tubulin-targeted agents
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