ASCO 2014:克唑替尼一线治疗经选择的NSCLC的PFS显著优于标准化疗

2014-05-31 CMT肿瘤 医学论坛网

题目:在晚期ALK阳性非鳞NSCLC患者中克唑替尼与培美曲塞+顺铂/卡铂一线治疗的对比:PROFILE 1014 Ⅲ期研究结果 First-line crizotinib versus pemetrexed–cisplatin or pemetrexed–carboplatin in patients with advanced ALK-positive non-squamous non

题目:在晚期ALK阳性非鳞NSCLC患者中克唑替尼与培美曲塞+顺铂/卡铂一线治疗的对比:PROFILE 1014 Ⅲ期研究结果

 First-line crizotinib versus pemetrexed–cisplatin or pemetrexed–carboplatin in patients with advanced ALK-positive non-squamous non-small cell lung cancer (NSCLC): results of a phase Ⅲ study (PROFILE 1014).

摘要号:# 8002

报告时间:2014年6月3日 8:00-11:00 AM CDT(美国中部夏令时间)

报告者:香港中文大学 Tony Mok

Session Title:Lung Cancer - Non-small Cell Metastatic

Session Type:Poster Highlights Session

摘要

背景: 口服ALK抑制剂克唑替尼一线治疗晚期ALK阳性的NSCLC与标准化疗方案的疗效差异尚不明确,该研究为多中性、随机、开放的Ⅲ期临床研究,主要对比克唑替尼与培美曲塞联合铂类方案(PPC)化疗的疗效差异和安全性。

方法: 2011年1月至2013年7月,共纳入了343例未治疗过的ALK阳性的非鳞癌NSCLC患者,按1:1比例随机分为两组,一组方案为克唑替尼250mg po bid(n=172);另一组方案为PPC(培美曲塞500mg/m² +顺铂75 mg/m²或卡铂AUC5-6;3周为一周期,共≤6周期,n=171)。两组患者在疾病进展(每次独立的影像学评估)后均可以继续或换用克唑替尼治疗。研究的主要终点为PFS,次要终点包括ORR,OS,安全性和患者报告的结局指标。

结果: 两组的基线特征:克唑替尼组亚裔人群占45%,94%的患者ECOG PS 0/1,26%之前接受过脑转移灶的治疗;PPC组亚裔人群占47%,ECOG PS0/1的患者占95%,28%之前进行过脑转移灶治疗。该研究达到了主要研究终点,克唑替尼组的PFS优于PPC组(中位PFS 10.9个月对7.0个月,HR:0.454; 95% CI: 0.346−0.596; P<0.0001).此外,克唑替尼组的ORR也显著优于化疗组(74%对45%; P<0.0001)。68%的患者目前仍在随访中,OS未达到显著差异(HR: 0.821; 95% CI: 0.536-1.255; P=0.1804)。至研究截止日期,PPC组有109名患者已换用克唑替尼治疗。该研究中克唑替尼和PPC治疗的不良反应与之前在ALK阳性或非选择NSCLC人群中的相关研究结果一致。克唑替尼组最常见的全因不良反应有视力障碍和胃肠道症状。

结论: 克唑替尼一线治疗经选择的NSCLC的PFS和ORR显著优于标准化疗,且安全性较好。该研究结果确立了克唑替尼作为未治疗的ALK阳性的晚期非鳞NSCLC的标准治疗的地位。

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    2014-12-27 quxin068
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    2014-06-02 jeanqiuqiu

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