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ASCO 2014:可切除食管癌患者的新辅助治疗方案选择

2014-05-21 佚名 dxy

虽然已有多项研究比较不同新辅助方案在治疗局部可切除食管癌中的作用,然而目前不同治疗方案间的相对获益和风险尚不明确。来自加拿大Sunnybrook医学中心的研究人员对此进行了荟萃分析与系统综述。 研究人员通过对2013年6月份前 MEDLINE, EMBASE和Cochrane中心注册的相关试验研究及文献进行系统性的荟萃分析与综述,比较食管癌患者中不同治疗方案的疗效,包括单纯手术、新辅助化疗(N-C

虽然已有多项研究比较不同新辅助方案在治疗局部可切除食管癌中的作用,然而目前不同治疗方案间的相对获益和风险尚不明确。来自加拿大Sunnybrook医学中心的研究人员对此进行了荟萃分析与系统综述。

研究人员通过对2013年6月份前 MEDLINE, EMBASE和Cochrane中心注册的相关试验研究及文献进行系统性的荟萃分析与综述,比较食管癌患者中不同治疗方案的疗效,包括单纯手术、新辅助化疗(N-CT)、新辅助放疗(N-RT)和新辅助放化疗(N-CRT)等方案,纳入的研究均为随机性对照研究(RCTs)。

两名评阅人分别独立地完成相关文献检索,分歧和差异通过协商或者第三者裁定解决,提取的数据主要包括不同研究的特征及结果,包括总生存率(OS)、术后死亡率、局部复发率和研究质量等,采用Parmar等报告的方法提取和计算生存结果,上述不同方案的相对疗效及术后死亡率通过贝叶斯法多元荟萃分析(multiple treatments meta-analysis ,MTM)随机模型及WinBUGS程序进行重建与汇总。

最终,13项随机试验纳入研究,共包含6710例患者。对于N-CRT 与N-CT的比较,共有2项RCTs纳入,涉及194例患者。直接配对荟萃分析提示,N-CRT较N-CT方案或可更好地改善患者OS,但并没有达到显著的统计学差异,HR为0.83,95%可信区间为0.59-1.18。当采用MTM方法进一步结合直接和间接证据后,N-CRT显著优于N-CT方案,HR为0.84,95%可信区间为0.71-0.97。

此外,目前尚未发现有关于直接比较N-CRT与N-RT的研究报道。MTM结果显示,相对于N-RT,N-CRT方案可更好地提高患者OS,HR为0.80,95%可信区间为0.67-0.97。概率上讲,N-CRT有98%的可能是食管癌的最佳治疗模式。对于术后死亡率上述各方案间无明显的差异。

因此,研究人员通过本次研究得出证据,相对于N-CT及N-RT,N-CRT方案是治疗局部可切除食管癌的最理想模式,其可显著改善OS,同时并没有带来术后死亡率的增加。

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    2014-11-08 quxin068
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    2014-05-23 zhouqu_8

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研究要点1、RTOG 0436试验发现,不管组织学特征如何,食管癌非手术患者在化放疗基础上添加西妥昔单抗治疗无额外总生存获益;2、治疗后产生临床完全缓解的患者总生存期会获得明显改善。越来越多的数据显示表皮生长因子受体(EGFR)抑制剂治疗食管癌效果会大打折扣。最近报道的一项 RTOG 0436 随机3期试验针对非手术食管癌患者进行了研究,试验结果在2014年度胃肠癌研讨会上报道。美国马里兰大学 S

Nature:食管鳞状细胞癌基因研究新成果

来自中国医学科学院、深圳华大基因研究院等机构的研究人员,采用全基因组测序、全外显子组测序和比较基因组杂交芯片分析等方法,对来自广东省潮汕地区的158名食管鳞状细胞癌(ESCC)患者展开研究,鉴别出了这类癌症的一些基因组改变。这一重要的研究成果发表在3月16日的《自然》(Nature)杂志上。 领导这一研究的是中国医学科学院副院长詹启敏(Qimin Zhan),其多年来主要从事肿瘤分子生物学研究,

Lancet Oncol:推荐局灶性食管癌应用FOLFOX联合同步放疗

在食管癌患者中,针对性放化疗是一种可供选择的治愈性治疗手段,在不适合进行外科手术治疗的患者中尤为如此。PRODIGE5/ACCORD17研究的目的在于评价在局限性食管癌患者中,FOLFOX治疗方案(氟尿嘧啶联合亚叶酸钙和奥沙利铂)与氟尿嘧啶和顺铂作为放化疗治疗的一部分的治疗效果比较,来自于法国Lorraine肿瘤研究所的Thierry Conroy等设计了相关研究,并将

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