N Engl J Med:短期放射加替莫唑胺治疗老年患者胶质母细胞瘤

2017-03-23 MedSci MedSci原创

胶质母细胞瘤与老年人的予后不良相关。当将替莫唑胺化疗加入标准放疗(60 Gy,6周)时,70岁以上患者的生存率显着增加。在老年患者中,通常使用更方便的较短的放射疗法,但是在较短的放疗过程中添加替莫唑胺的好处仍还是未知的。

近日,来自多伦多Odette癌症中心,Sunnybrook健康科学中心(JRPAS)和玛格丽特癌症中心(NLWPM),的研究人员报道了一项关于短期放射加替莫唑胺治疗老年患者胶质母细胞瘤的研究,相关研究成果刊登于国际权威杂志N Engl J Med上。

胶质母细胞瘤与老年人的预后不良相关。当将替莫唑胺化疗加入标准放疗(60 Gy6周)时,70岁以上患者的生存率显着增加。在老年患者中,通常使用更方便的较短的放射疗法,但是在较短的放疗过程中添加替莫唑胺的好处仍还是未知的。

研究人员开展了一项涉及65岁或以上患有新诊断的胶质母细胞瘤的患者的临床试验。患者被随机分配接受单独放疗(40 Gy15个部分)或放射治疗加伴随剂量佐剂和替莫唑胺。

研究共对562例病人接受了随机分组,每组281人。全组病人平均年龄73 (65-90 )。放疗+替莫唑胺治疗的中位总生存期比单独放疗(9.3个月vs 7.6个月;死亡风险比0.67; 95%置信区间[CI]0.560.80; P <0.001 无进展生存期(5.3个月vs 3.9个月;疾病进展或死亡风险比,0.50; 95CI0.410.60; P<0.001)。在甲基化O6-甲基鸟嘌呤-DNA甲基转移酶(MGMT165例患者中,放疗+替莫唑胺治疗的中位生存期为13.5个月,放疗时为7.7个月(死亡危险比为0.53; 95CI0.38?0.73; P<0.001)。在189例非甲基化MGMT患者中,放疗+替莫唑胺的平均总体生存期为10.0个月,单独放疗为7.9个月(死亡风险比为0.75; 95CI0.56?1.01; P = 0.055;交互作用 P=0.08)。两个试验组的生存质量相似。

研究认为,在老年患有胶质母细胞瘤的患者中,将短效放射治疗的替莫唑胺加入到短期放射治疗中可以延长生存期。(本研究由加拿大癌症协会研究所等提供资料; ClinicalTrials.gov编号,NCT00482677

原始出处:

James R. Perry, M.D., Normand Laperriere, M.D. et al. Short-Course Radiation plus Temozolomide in Elderly Patients with Glioblastoma. N Engl J Med 2017; 376:939-946March 9, 2017 DOI: 10.1056/NEJMoa1611977

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    2017-05-09 spoonycyy
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    2018-03-04 haouestc
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