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CLIN CANCER RES:依维莫司治疗原发性巨球蛋白血症多中心临床试验结果

2017-05-25 MedSci MedSci原创

CLIN CANCER RES近期报道了一篇文章,报告依维莫司治疗原发性巨球蛋白血症多中心临床试验结果。

CLIN CANCER RES近期报道了一篇文章,报告依维莫司治疗原发性巨球蛋白血症多中心临床试验结果。

研究共纳入33例有症状且未接受过治疗的原发性巨球蛋白血症患者。依维莫司(10mg/d)治疗直至出现疾病进展或无法接受的毒性反应。在治疗过程中允许剂量降阶。在最佳反应情况下,血清平均IgM水平从4440mg/dl下降到1360mg/dl(P<0.0001),平均血红蛋白由10.g/dL上升为12g/dL(P=0.001)。在连续活检的患者中,平均骨髓疾病负担由75%下降到52.5%。ORR及主要反应率分别为72.7%以及60.6%。在接受基因检测的患者中,无反应患者与野生型MYD88及CXCR4突变状态有关。平均反应时间为4周。血清IgM水平及骨髓疾病负担不一致性明显。平均随访时间13.1个月,所有患者平均病情进展时间为21个月,主要反应患者平均病情进展时间为33个月。7例患者依维莫司治疗中断导致血清IgM快速反弹,2例患者依维莫司治疗中断导致有症状的高粘血症。27%的患者因药物毒性导致治疗中断,其中18%为肺炎。

文章最后认为,依维莫司在未接受过治疗的原发性巨球蛋白血症中具有治疗活性。IgM不一致性常见,治疗中断常导致血清IgM快速反弹。未接受过治疗的患者与接受过治疗的患者相比肺炎更为常见。与原发性巨球蛋白血症其他治疗方式相比,依维莫司的风险及疗效应进行仔细的权衡。

原始出处:
Steven P.Treon,Kirsten Meid,et al.Propsective,Multicenter Clinical Trial of Everolimus as Primary Therapy in Waldenstrom Macroglobulinemia(WMCTG 09-214).CLIN CANCER RES.May 2017 doi:10.1158/1078-0432.CCR-16-1918

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    2017-06-24 xzw113
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    2018-04-12 luoxiaog
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