ASCO GI 2015:徐瑞华:Famitinib可改善晚期结直肠癌患者PFS

2015-01-20 佚名 医学论坛网

2015年ASCO GI会议结直肠癌专场口头报告会场  徐瑞华教授在2015年ASCO GI会议结直肠癌专场作口头报告 研究背景 过去10年间,中国的结直肠癌(CRC)患病率和死亡率均呈上升趋势,分别位列各类癌症的第3位和第5位。在治疗方面,mFOLFOX或FOLFIRI常作为一线和二线标准治疗方案用于复发和(或)晚期CRC。时至今日,在中国只有西妥昔单抗(cetuxima

2015年ASCO GI会议结直肠癌专场口头报告会场

 徐瑞华教授在2015年ASCO GI会议结直肠癌专场作口头报告

研究背景

过去10年间,中国的结直肠癌(CRC)患病率和死亡率均呈上升趋势,分别位列各类癌症的第3位和第5位。在治疗方面,mFOLFOX或FOLFIRI常作为一线和二线标准治疗方案用于复发和(或)晚期CRC。时至今日,在中国只有西妥昔单抗(cetuximab)和贝伐珠单抗(bevacizumab)可用于晚期CRC的靶向治疗。二线治疗失败后暂无标准治疗方案。

Famitinib是一种小分子、多靶点的酪氨酸激酶抑制剂(TKI),主要以VEGFR2、c-kit、PDGFR为靶点,且能抑制血管生成。本研究旨在评价famitinib治疗晚期CRC的效果和安全性。

研究方法

本项研究于2012年7月至2013年3月纳入154例18~70岁,ECOG评分为0~1分,一、二线治疗失败的复发和(或)转移性结直肠癌患者,并将其按2:1随机分为famitinib组(99例)和安慰剂组(55例),分别予以25mg的famitinib或安慰剂口服每日1次,每一治疗周期(6周)结束后评估1次肿瘤反应。主要研究终点是无进展生存(PFS)。次要研究终点是总生存(OS)、客观反应率(ORR)、疾病控制率(DCR)、生存质量(QoL)和安全性。研究采用意向性分析。

研究结果

与对照组相比,famitinib单药治疗将晚期或转移性结直肠癌患者的中位PFS期延长了1.3个月(2.8个月对1.5个月),风险比(HR)为0.596(P=0.0053)。famitinib组和安慰剂组ORR分别为2.2%和0.0%(P=0.54),DCR分别为59.8%和31.4%(P=0.0016)。

Famitinib组和对照组的中位总生存(OS)期无显著差异(7.5个月对7.6个月)。亚组分析发现,入组前接受完整治疗患者的中位OS有延长趋势。对这一人群的进一步研究已经获批。

Famitinib的安全性与其他小分子抗VEGFR药物类似,最常见的不良反应事件有中性粒细胞减少、血小板减少、蛋白尿、高血压和手足综合征,这些均为可耐受和可控制的不良反应。

研究结论

Famitinib改善了晚期结直肠癌患者的PFS,治疗组ORR和DCR较高且有良好的安全性和耐受性。

 

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    2015-08-07 quxin068
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    2015-07-23 gracezdd
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    2015-01-22 jeanqiuqiu
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