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NEJM:R-FC方案未改善老年MCL患者生存率

2012-08-27 中国医学科学院血液病医院 李增军 中国医学论坛报

    《新英格兰医学杂志》[N Engl J Med 2012,367(6): 520] 发表了欧洲套细胞淋巴瘤(MCL)研究组一项研究的最终结果。对560例≥60岁MCL患者分别采用R-FC方案(利妥昔单抗+氟达拉滨+环磷酰胺)或R-CHOP方案(利妥昔单抗+环磷酰胺+多柔比星+长春新碱+泼尼松)诱导治疗后,两组完全缓解(

老年MCL:R-FC未改善生存
 

  《新英格兰医学杂志》[N Engl J Med 2012,367(6): 520] 发表了欧洲套细胞淋巴瘤(MCL)研究组一项研究的最终结果。对560例≥60岁MCL患者分别采用R-FC方案(利妥昔单抗+氟达拉滨+环磷酰胺)或R-CHOP方案(利妥昔单抗+环磷酰胺+多柔比星+长春新碱+泼尼松)诱导治疗后,两组完全缓解(CR)率(40%对34%,P=0.10)和总有效率(78%对86%,P=0.06)均没有显著差异,但R-FC组4年生存率显著低于R-CHOP组(47%对62%,P=0.005)。

  MCL是常见的B细胞淋巴瘤,兼有惰性淋巴瘤对化疗敏感性较差和侵袭性淋巴瘤进展较快的特点,总体预后差,采用R-CHOP治疗后,多数生存期不足5年。对于较年轻、无合并症者,已有研究证明采用含中大剂量阿糖胞苷的强化治疗可改善疗效,但对于年龄较大或有合并症、不能耐受上述治疗者,如何提高疗效仍是未解决的问题。可能的方法包括应用新药物或药物组合及给予维持治疗延缓或阻止复发进展。R-FC方案在慢性淋巴细胞白血病中取得较好疗效,其在MCL中能否较R-CHOP有更好效果?另外,越来越多研究支持对滤泡性淋巴瘤采用利妥昔单抗维持治疗,这能改善MCL患者生存吗?

  该研究目的正是为了回答这些问题,其结果可谓喜忧参半。除R-FC组副作用较大因而相关死亡较多外,血液学毒性使该组进入维持治疗的患者减少,也影响了总体疗效。但无论如何,R-FC方案对于老年MCL的探索以失败告终。虽然随后维持治疗的结果带来了一线希望——应用利妥昔单抗维持治疗组的4年生存率显著优于干扰素维持治疗组(87%对63%,P=0.005),但由于利妥昔单抗的价格较昂贵,在我国广泛推广可能尚待时日。

链接;
Kluin-Nelemans HC, Hoster E, Hermine O, Walewski J, Trneny M, Geisler CH, Stilgenbauer S, Thieblemont C, Vehling-Kaiser U, Doorduijn JK, Coiffier B, Forstpointner R, Tilly H, Kanz L, Feugier P, Szymczyk M, Hallek M, Kremers S, Lepeu G, Sanhes L, Zijlstra JM, Bouabdallah R, Lugtenburg PJ, Macro M, Pfreundschuh M, Procházka V, Di Raimondo F, Ribrag V, Uppenkamp M, André M, Klapper W, Hiddemann W, Unterhalt M, Dreyling MH.Treatment of Older Patients with Mantle-Cell Lymphoma.N Engl J Med 2012; 367:520-531


    

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