Future oncology
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Eribulin mesylate is a synthetic analog of halichondrin B and is licensed for the treatment of patients with locally advanced or metastatic breast cancer that has progressed following treatment with anthracyclines and taxanes. It was not deemed to be cost effective based on a cost analysis by the National Institute for Health and Care Excellence in England and therefore it is not funded routinely by the National Health Service. The establishment of the Cancer Drugs Fund in England subsequently enabled access. As with any new chemotherapy drug that enters clinical practice for metastatic breast cancer (MBC) it is often used in heavily pretreated patients and the experience in a routine clinical setting can differ from that in a clinical study. We therefore present the experience of the first 25 cases treated at our institution via the Cancer Drugs Fund. ⋯ Eribulin mesylate shows clinical activity; however, there appears to be differences in terms of benefit in patients based on whether patients have been rechallenged with an anthracycline and/or a taxane. These data require confirmation in larger patient groups.
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The aim of this study is to report on the activity and safety of eribulin mesylate in a representative number of pretreated metastatic breast cancer (MBC) patients in current practice. Eribulin mesylate, a new microtubule inhibitor, is approved as monotherapy for the treatment of patients with locally advanced breast cancer or MBC who have progressed after at least two chemotherapeutic regimens for advanced disease. ⋯ Our retrospective analysis of a clinical practice experience supports the evidence that eribulin mesylate has clinical activity and provides acceptable benefit to heavily pretreated MBC.