Blood:伊沙妥昔单抗联合泊马度胺/地塞米松可安全有效的治疗复发性/难治性多发性骨髓瘤

2019-03-20 不详 MedSci原创

中心点:伊沙妥昔单抗(Isatuximab)与泊马度胺/地塞米松的联合方案,安全性可控,临床疗效良好。伊沙妥昔单抗 10mg/kg(每周用药一次,连续4周,后改为每两周一次)可作为后续联合方案研究的剂量。摘要:Joseph Mikhael等人开展一Ib期剂量递增性研究,评估伊沙妥昔单抗联合泊马度胺/地塞米松用于复发性/难治性多发性骨髓瘤(RRMM)患者的疗效和安全性。招募既往采取过2次及以上MM治

中心点:

伊沙妥昔单抗(Isatuximab)与泊马度胺/地塞米松的联合方案,安全性可控,临床疗效良好。

伊沙妥昔单抗 10mg/kg(每周用药一次,连续4周,后改为每两周一次)可作为后续联合方案研究的剂量。

摘要:

Joseph Mikhael等人开展一Ib期剂量递增性研究,评估伊沙妥昔单抗联合泊马度胺/地塞米松用于复发性/难治性多发性骨髓瘤(RRMM)患者的疗效和安全性。招募既往采取过2次及以上MM治疗(包括来那度胺和蛋白酶抑制剂)的骨髓瘤患者,予以伊沙妥昔单抗5、10或20mg/kg(每周一次[QW],连续4周,后改为2周一次[Q2W]),泊马度胺 4mg(第1-21天)和地塞米松 40mg(QW),28天一疗程,直到病程进展或出现不可耐受的毒性。主要目的是明确伊沙妥昔单抗在这种联合方案中的推荐剂量。次要目的有评估药代动力学、免疫原性以及治疗效果。

共有45位患者接受伊沙妥昔单抗治疗(5mg组 8人、10mg组 31人、20mg组6人)。患者既往治疗次数中位值为3;大多患者(91%)最后一次治疗的效果不佳,82%的患者为来那度胺难治性,84%为蛋白酶体抑制剂难治性。

治疗持续时间中位值为9.6个月;19位(42%)患者仍在继续治疗。最常见的副反应有疲劳(62%)、上呼吸道感染(42%)、输液反应(42%)和呼吸困难(40%)。最常见的3级及以上的治疗相关的副反应是肺炎,有8位患者(17.8%)发生。血液检测异常常见(淋巴细胞减少、白细胞减少、贫血各98%;中性粒细胞减少 93%和血小板减少 84%)。

总体缓解率为62%,缓解持续时间中位值为18.7个月,无进展存活期中位值为17.6个月。

综上所述,本研究结果提示伊沙妥昔单抗与泊马度胺/地塞米松这一联合方案用于治疗RRMM患者具有临床治疗潜力,而且副作用可控。伊沙妥昔单抗用于后续研究的剂量为10mg/kg(QW/Q2W )。


原始出处:

Joseph Mikhael,et al.A Phase Ib study of isatuximab plus pomalidomide/dexamethasone in relapsed/refractory multiple myeloma.Blood 2019 :blood-2019-02-895193; doi: https://doi.org/10.1182/blood-2019-02-895193 

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    2019-03-21 jml2009
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    2019-03-22 freve

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中心点:在骨髓瘤模型中,用TAK-243抑制泛素活化酶可诱导内质网应激反应以及细胞凋亡。摘要:三种蛋白酶体抑制剂已通过监管部门批准用于治疗多种多发性骨髓瘤,但耐药性是一个很大的问题;因此,研究人员猜测阻断泛素-蛋白酶体信号通路的上游,是否可克服耐药性。E1泛素化激活酶(UAE)引起了Junling Zhuang等人的注意,其针对UAE的特异性抑制剂TAK-243的疗效和安全性开展研究。结果发现TA

Blood:多发性骨髓瘤治疗迈入“精准”时代——分子生物学检测指导个体化治疗

依据生物标志物进行多发性骨髓瘤(MM)个体化治疗可以最大限度地提高疗效、减少毒性,多发性骨髓瘤的某些生物标志物可作为预后和预测指标,据此选择治疗方案可对结果产生巨大影响。英国的Pawlyn教授在Blood杂志发文,描述了目前多发性骨髓瘤中正在应用的预后和预测标志物以及依据标志物的个体化治疗对治疗结果的改善。