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AIM:To discuss treatment with eribulin in clinical practice outside a clinical trial.METHODS:Archives of patients treated for metastatic breast cancer were reviewed and 21 patients treated with the new chemotherapeutic eribulin mesylate,a synthetic analog of a natural marine product,were identified.Information on patients’characteristics and treatment outcomes was extracted.Treatment with eribulin mesylate was initiated at the recommended dose of 1.4 mg/m2 on days 1 and 8 of a 21-day cycle in 17 patients and at a decreased dose of 1.1 mg/m2 on days 1 and 8 of a 21-day cycle in 4 patients due to comorbidities and frailty.Efficacy of the drug was evaluated using the revised Response Evaluation Criteria in Solid Tumors criteria.Progression-Free Survival and overall survival(OS)were calculated using the Kaplan-Meier method starting from the date of eribulin therapy initiation to the date of disease progression documentation or death,respectively.RESULTS:The median age of patients at the time of eribulin mesylate treatment was 53 years(range 34-75).Sixteen patients had estrogen receptor(ER)and/or partial response(PR)positive disease and 5 had ER/PR negative disease(all triple negative).Eight patients had received 2 or 3 previous lines of chemotherapy for metastatic disease and 13 patients had received 4 or more lines of treatment.The median number of cycles of eribulin received was 3(range 1-16 years).All patients,except one,discontinued treatment due to progressive disease and one patient due to adverse effects.Six patients had a dose reduction due to side effects.All patients had progressed at the time of the report with a median time to progression of 3 mo(range 1 to 14 mo).Fifteen patients had died with a median OS of 7 mo(range 1-18 mo).Six patients were alive with a median follow-up of 13.5 mo(range 7 to 19 mo).CONCLUSION:This series of patients confirms the activity of eribulin in a heavily pre-treated metastatic breast cancer population consistent with phaseⅡandⅢtrials.
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篇名 Eribulin for heavily pre-treated metastatic breast cancer patients
来源期刊 世界实验医学杂志 学科 医学
关键词 BREAST cancer METASTATIC ERIBULIN Case series RETROSPECTIVE Treatment
年,卷(期) 2015,(3) 所属期刊栏目
研究方向 页码范围 194-199
页数 6页 分类号 R
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BREAST
cancer
METASTATIC
ERIBULIN
Case
series
RETROSPECTIVE
Treatment
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研究去脉
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期刊影响力
世界实验医学杂志
不定期
2220-315X
北京市朝阳区东四环中路62号楼远洋国际中
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90
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