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CSCO 2011:非小细胞肺癌中EML4-ALK融合基因序列的复杂性研究

2011-09-15 陈智伟 陆舜 MedSci原创

  上海市胸科医院 上海市肺部肿瘤临床医学中心 陈智伟 陆舜 简红 周箴 成柏君 廖美琳   上海市肺科医院胸外科 丁嘉安   目的:探讨围术期化疗对NSCLC长期生存的影响。   方法:1995年2月至2001年10月IB~IIIA期根治性手术NSCLC的随机多中心研究,分为术前先行化疗和先行手术二组,术后均作

  上海市胸科医院 上海市肺部肿瘤临床医学中心 陈智伟 陆舜 简红 周箴 成柏君 廖美琳

  上海市肺科医院胸外科 丁嘉安

  目的:探讨围术期化疗对NSCLC长期生存的影响。

  方法:1995年2月至2001年10月IB~IIIA期根治性手术NSCLC的随机多中心研究,分为术前先行化疗和先行手术二组,术后均作术后辅助化疗。化疗方案为MVP(丝裂霉素/长春碱酰胺/顺铂)或MOP(丝裂霉素/长春新碱/顺铂),先化疗组在手术前行1~2周期的化疗,先手术组在手术前不进行化疗,两组术后均进行辅助化疗,手术前后化疗周期的总数为4个周期。以Kaplan-Meier曲线统计累积生存率及Log Rank检验,Cox单因素和多因素分析生存率影响因素并计算风险比(HR)。

  结果:全组337例,术前先行化疗组169例,先行手术组168例。先手术组和先化疗组的15年累积年生存率分为25%∶19%,MST为 37.4月∶56.47月,先化疗组未见生存优势(HR,1.245;95% CI,0.954 to 1.626;P=0.107);无病生存期亦未见差异(HR,1.281;95% CI,0.883 to 1.857;P=0.193)。两组的分期别的总生存和无病生存期也未见差异。总生存的Cox 多因素分析显示术前化疗、年龄、性别、病理类型与总生存率不相关(P>0.05),期别及术后化疗和总生存率相关(P<0.05)。两组NSCLC的疾病无进展生存期(PFS)比较,未见统计学差异(Log Rank,P=0.10);两组PFS的Cox单因素分析无统计学意义(P>0.05);Cox多因素分析提示期别及术后化疗次数和DFS相关(P<0.05)。术前化疗缓解者的总生存率高于未达缓解组,但未见统计学差异(P>0.05);化疗后临床和病理学相比“T”降期和“T”不变病员的15年生存率、MST均高于“T”升期组,提示术前化疗有效者可获较好结果。

  结论:两代药物的新辅助化疗未能改善NSCLC的长期生存率和无病生存期。未来的研究方向应关注三代化疗方案、EGFR-TKI靶向药物、抗肿瘤血管生成药物及多靶点药物。

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    2011-09-17 licz0427
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