Abstract

目的评价环孢素(CsA)联合沙利度胺治疗国际预后积分系统(IPSS)低危/中危-1骨髓增生异常综合征(MDS)患者的远期疗效及预后影响因素。方法回顾性分析CsA联合沙利度胺治疗的76例IPSS低危/中危-1 MDS患者临床资料。采用PCR联合直接测序法检测患者cereblon基因rs1672753位点基因型。结果76例患者中,男48例,女28例,中位年龄41(18~70)岁。CsA联合沙利度胺治疗后,40例(53%)获得血液学改善(HI),其中红系反应(HI-E)率为43%(73例中31例),中性粒细胞反应(HI-N)率为30%(50例中15例),血小板反应(HI-P)率为31%(58例中18例)。59例红细胞输注依赖患者中27例(46%)获得HI-E并脱离输血。HI中位维持时间为22(1~131+)个月。单因素分析显示骨髓原始细胞≤2%的患者疗效持续时间更长(P=0.010)。cereblon基因rs1672753位点基因型与HI率及治疗反应的维持时间均无明显相关性(P值均>0.05)。67例未行造血干细胞移植患者中位生存时间为82(95% CI 38~126)个月。多因素分析显示IPSS-R分组(HR=3.461,95% CI 1.126~10.639,P= 0.030)、年龄≥60岁(HR=4.120,95% CI 1.070~15.867,P=0.040)以及HI-N(HR=7.733,95% CI 1.007~59.396,P=0.049)为影响患者生存时间的独立预后因素。结论CsA联合沙利度胺治疗能长期改善IPSS低危/中危-1 MDS患者贫血症状,不良反应轻。在此组患者中未能验证cereblon基因rs1672753位点基因型对疗效的预测价值。

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