期刊
BREAST
卷 32, 期 -, 页码 66-72出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.breast.2016.12.017
关键词
Eribulin Metastatic breast cancer; First-line; Microtubule; Dose-intensity
资金
- Eisai Co., Ltd. (Tokyo, Japan)
Objectives: Despite the survival benefit and acceptable tolerability of eribulin for advanced/metastatic breast cancer (MBC) patients pretreated with anthracyclines and taxanes, there is limited evidence of the clinical benefit of early eribulin use. We investigated the efficacy and safety of first- to third-line eribulin use in patients with MBC. Materials and methods: In this phase H, open-label, single-arm study conducted at 14 sites in Kyushu, Japan, women with histologically confirmed human epidermal growth factor receptor 2 negative MBC were enrolled between December 1, 2011 and November 30, 2013 (Data cut-off: November 30, 2014). Objective response rate (ORR; primary endpoint), disease control rate (DCR), progression-free survival (PFS), duration of response (DOR), overall survival (OS), and safety were evaluated. Results: Of 53 recruited patients, 47 were enrolled. The ORR was 17.0% (95% confidence interval, 7.6-30.8), DCR was 66.0% (51.2-77.8), median PFS was 4.9 months (3.5-7.0), DOR was 6.6 months (1.9-14.3), and median OS was 17.4 months (10.1-not evaluable). The common grade 3/4 adverse events were neutropenia (25 patients; 53.2%), leucopenia (16 patients; 42.1%) and febrile neutropenia (4 patients; 8.5%). Toxicity did not increase during the long-term treatment. Subgroup analysis indicated that first-line treatment led to higher ORR and prolonged PFS and OS than second-/third-line treatment and that incidence of adverse events in patients of second-/third-line treatment was not higher than that in patients of first-line treatment. Conclusion: Eribulin exhibited efficacy and manageable tolerability in Japanese women with pretreated MBC in first- to third-line use. (ID: UMIN000007121). (C) 2016 The Authors. Published by Elsevier Ltd.
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