ASCO 2016:Selinexor组合疗法有望治疗复发且难治的多发性骨髓瘤

2016-06-09 佚名 生物谷

美国莫非特癌症研究中心(Moffitt Cancer Center)已在2016年美国临床肿瘤学会(American Society of Clinical Oncology, ASCO)年度会议上发布了利用药物selinexor与脂质体阿霉素(liposomal doxorubicin)和地塞米松(dexamethasone)组合治疗复发且难治的多发性骨髓瘤患者的I期临床研究的结果。Seli

美国莫非特癌症研究中心(Moffitt Cancer Center)已在2016年美国临床肿瘤学会(American Society of Clinical Oncology, ASCO)年度会议上发布了利用药物selinexor与脂质体阿霉素(liposomal doxorubicin)和地塞米松(dexamethasone)组合治疗复发且难治的多发性骨髓瘤患者的I期临床研究的结果。

Selinexor是一类新的被称作选择性核输出蛋白抑制剂(selective inhibitor of nuclear export)的试剂中的首个药物。它的工作机制是抑制在癌细胞核中发现的一种蛋白,激活肿瘤抑制因子杀死癌细胞。正常的细胞大体上不受这种药物的影响。临床前研究已证实在多发性骨髓瘤模式小鼠中,selinexor与阿霉素组合使用存在协同效应。

这项I期临床试验的目标是确定之前已接受过至少两次包括来那度胺(lenalidomide)和一种蛋白酶体抑制剂在内的药物治疗的复发且难治的多发性骨髓瘤患者对selinexor、脂质体阿霉素和地塞米松的最大耐受剂量,以及它们的II期临床试验推荐剂量。这种组合治疗包括诱导期(induction phase)、装载期(loading phase)和维持期(maintenance phase),其中装载期和维持期仅使用selinexor和地塞米松。

剂量受限的毒副作用包括血小板减少、恶心和低钠离子水平。最常见的可能与治疗相关联的不良事件是低钠血症(54%)、贫血(38%)、血小板减少(38%)、中性粒细胞减少(38%)、腹泻(23%)、呕吐(23%)、高血糖症(15%)和疲劳(15%)。

初步结果提示着这种selinexor组合治疗方案有效地治疗复发且难治的多发性骨髓瘤。在10名接受治疗结果评估的患者中,2人的病情得到非常好地部分缓解、2人的病情得到部分缓解,2人的病情得到轻微缓解,剩下的4人没有反应。

原始出处

Researchers present phase 1 study results of selinexor combination therapy; multiple myeloma

 

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    2017-05-18 quxin068
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    2016-12-15 jml2009
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