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中山大学牵头中日韩团队联合98家医院实现晚期结直肠癌化疗新突破

2018-03-22 19:26:02    新华网

新华社广州3月22日电(记者刘白云)中山大学肿瘤防治中心22日召开新闻发布会宣布,由该中心徐瑞华教授牵头的中日韩研究团队在晚期结直肠癌化疗领域取得新突破,研究成果近日在《柳叶刀肿瘤》在线发表。

据中国临床肿瘤学会副理事长徐瑞华介绍,AXEPT研究是针对一线治疗失败后的晚期结直肠癌患者的大型国际多中心III期临床试验,其目的是探讨改良的双药联合方案(卡培他滨+伊立替康,简称XELIRI)的疗效及耐受性。

据世界卫生组织统计,2012年,结直肠癌是世界第三高发恶性肿瘤,死亡率居恶性肿瘤第4位。对于不可手术治愈的晚期结直肠癌,全身性化疗为首选治疗手段。

徐瑞华说,目前国际指南推荐的标准化疗方案之一是,基于氟尿嘧啶和伊立替康的双药联合化疗方案(简称FOLFIRI)。然而,该方案需进行每2周一次、长达46小时的输液,且治疗前患者需接受中心静脉插管手术。

与FOLFIRI方案相比,XELIRI方案只需每3周进行一次2-3小时的输液,且治疗前无需进行插管手术。但由于此前欧美临床研究发现,XELIRI方案在欧美人群中的副作用非常大,疗效也不及预期,该方案一直未被结直肠癌的各大国际指南推荐使用。

针对这一临床难题,徐瑞华与韩国峨山医院教授金泰万和日本爱知县肿瘤医院教授室圭共同带领一个由98家医院组成的国际多中心研究团队,开展了关于改良的XELIRI方案的大型III期AXEPT研究。

据徐瑞华介绍,AXEPT研究从2013年12月持续至2017年6月,共有650名一线化疗失败的晚期结直肠癌患者加入项目。AXEPT研究首次证实,改良的XELIRI方案与FOLFIRI方案相比,疗效相当,且耐受性更好,应用更为方便。

研究结果显示,接受改良的XELIRI方案的患者平均生存期达到17个月,超过了接受FOLFIRI方案的患者的平均生存期(15个月);不良反应发生率也从72%降至54%。

此外,该方案也使患者的生活质量得到提高。徐瑞华说,改良的XELIRI方案与FOLFIRI方案治疗费用相近,但患者返院用药时间从每2周一次延长至每3周一次,且每次住院治疗时间从3天缩短至1天,因此大幅提高了患者的依从性,也为患者减少了交通成本。

目前,欧洲肿瘤内科学会泛亚洲结直肠癌指南已采纳改良的XELIRI方案。

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