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[Treatment Out Come of Eribulin in Patients with Advanced or Metastatic Breast Cancer Who Resistant to Anthracycline and Taxane].
Gan to Kagaku Ryoho. Cancer & Chemotherapy 2017 November
PATIENTS AND METHODS: This retrospective observational study contains advanced or metastatic breast cancer female patients who pretreated with anthracycline and/or taxane received eribulin(ERI)mesylate. The primary endpoint was the progressionfree survival(PFS)and secondary endopoints were objective response rate(ORR), clinical benefit rate(CBR), overall survival (OS), and post-progression survival(PPS).
RESULTS: A total of 32 patients underwent chemotherapy cycles(median 3; range 1-9 cycles). The ORR was 15.6% and the CBR was 31.3%. The median PFS, OS and PPS were 2.9 months, 8.5 months, 5.6 months respectively. The OS, PPS for relative dose intensity(RDI)<85% and RDI≥85% were 7.2 months, 3.4 months and 14.5 months, 11.4 months, respectively(p=0.005, 0.004). In multivariate analysis for OS and PPS, the visceral disease, total dose of ERI and RDI correlated with OS and PPS. The most frequent treatment-related Grade 3/4 adverse events was neutropenia( 56%). No Grade 3 and 4 peripheral sensory neuropathy was occurred.
CONCLUSIONS: ERI exhibited efficacy and tolera- bility in patients with heavily pretreated A/MBC. The total dose and RDI of ERI would induce favorable effect for prognosis.
RESULTS: A total of 32 patients underwent chemotherapy cycles(median 3; range 1-9 cycles). The ORR was 15.6% and the CBR was 31.3%. The median PFS, OS and PPS were 2.9 months, 8.5 months, 5.6 months respectively. The OS, PPS for relative dose intensity(RDI)<85% and RDI≥85% were 7.2 months, 3.4 months and 14.5 months, 11.4 months, respectively(p=0.005, 0.004). In multivariate analysis for OS and PPS, the visceral disease, total dose of ERI and RDI correlated with OS and PPS. The most frequent treatment-related Grade 3/4 adverse events was neutropenia( 56%). No Grade 3 and 4 peripheral sensory neuropathy was occurred.
CONCLUSIONS: ERI exhibited efficacy and tolera- bility in patients with heavily pretreated A/MBC. The total dose and RDI of ERI would induce favorable effect for prognosis.
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