Blood:Venetoclax靶向治疗复发性/难治性多发性骨髓瘤的效果。

2017-10-13 qinqiyun MedSci原创

Venetoclax是一种选择性口服BCL-2抑制剂,可诱导(多发性骨髓瘤)MM细胞死亡,特别是携带t(11;14)的细胞,其相对于BCL-XL和MCL-1,表达更高水平的BCL-2。

中心点:

对于R/R MM患者,日剂量高达1200mg的Venetoclax单一疗法具有可接受的安全性。

已证实,Venetoclax单一疗法对于t(11;14)阳性的R/R MM患者具有抗骨髓瘤的效果。

摘要:

Venetoclax是一种选择性口服BCL-2抑制剂,可诱导(多发性骨髓瘤)MM细胞死亡,特别是携带t(11;14)的细胞,其相对于BCL-XL和MCL-1,表达更高水平的BCL-2。

研究人员进行I期研究,招募66位复发性/难治性MM患者,予以Venetoclax单一疗法。将患者分为两组,一组(30位)剂量逐周递增(300mg、600mg、900mg、1200mg);一组(36位)予以恒定剂量1200mg。治疗过程中或添加地塞米松。

患者既往疗程中位数是5次(1-15);61%的患者对硼替佐米和来那度胺双重耐药,46%的患者携带t(11;14)。患者一般对Venetoclax的耐受性较好。

最常见的副反应是轻度胃肠道症状(恶心[47%]、腹泻[36%]、呕吐[21%])。血细胞减少是最常见的3/4级副反应:血小板减少(32%)、中性粒细胞减少(27%)、贫血(23%)和白细胞减少(23%)。

总体反应率(ORR)21%(14/66),而且15%的患者获得很好的部分反应(≥VGPR)。大部分有反应的患者(12/14[86%])是在携带t(11;14)的人群中;对于携带t(11;14)的患者,ORR 40%,且有27%的患者达到≥VGPR。

生物标记物分析证实对Venetoclax治疗的反应情况与BCL2:BCL2L1和BCL2:MCL1的mRNA表达比相对应。

日剂量高达1200mg的Venetoclax单一疗法具有可接受的安全性,且试验结果表明其在复发性/难治性MM患者(主要是伴有t(11;14)异常和高表达BCL2的患者)中具有抗骨髓瘤的疗效。

原始出处:

Shaji Kumar,et al. Efficacy of venetoclax as targeted therapy for relapsed/refractory t(11;14) multiple myeloma. Blood.October 10,2017.  https://doi.org/10.1182/blood-2017-06-788786

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    2018-07-15 jml2009
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    2017-10-14 freve
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    2017-10-13 1e0e5a1fm42(暂无匿称)

    henhao

    0

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    2017-10-13 戒馋,懒,贪

    谢谢分享.学习了

    0

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    2018-07-29 canlab

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CLIN PHARMACOKINET:Venetoclax对复发性或难治性慢性淋巴细胞性白血病的疗效和安全性如何?

近日,国际杂志CLINICAL PHARMACOKINETICS上在线发表一项关于Venetoclax在难治性慢性淋巴细胞白血病病人临床效应和安全性方面的研究。该研究的目的是描述复发性或难治性(R / R)慢性淋巴细胞性白血病(CLL)/小淋巴细胞性淋巴瘤(SLL)患者的Venetoclax暴露与疗效和安全性之间的关系。

盘点:白血病新药研究进展汇总

白血病是一类造血干细胞恶性克隆性疾病。克隆性白血病细胞因为增殖失控、分化障碍、凋亡受阻等机制在骨髓和其他造血组织中大量增殖累积,并浸润其他组织和器官,同时正常造血受抑制。临床可见不同程度的贫血、出血、感染发热以及肝、脾、淋巴结肿大和骨骼疼痛,数据显示,我国各地区白血病的发病率在各种肿瘤中占第六位。 白血病的常见病因包括病毒、化学、放射以及遗传因素,个体的发病原因又因自身机体的条件及所处环

艾伯维白血病新药venetoclax斩获FDA第2个突破性药物资格

由艾伯维(AbbVie)与罗氏(Roche)合作开发的一款抗癌药venetoclax近日在美国监管方面再传佳讯,FDA已授予venetoclax联合罗氏抗癌药美罗华(Rituxan,通用名:rituximab,利妥昔单抗)治疗复发性/难治性慢性淋巴细胞白血病(R/R CLL)的突破性药物资格。在一项涉及49例R/R CLL患者的Ib期临床研究中,venetoclax联合Rituxan使84

Blood:首次发现BCL-2抑制剂Venetoclax用于T幼淋巴细胞白血病患者可获得临床反应。

T细胞幼淋巴细胞白血病(T-PLL)是一种罕见的侵袭性T淋巴细胞恶性肿瘤,以现在的医疗水平尚难以治愈,总体存活期短。在106种FDA批准的现在用于临床的抗癌药或者化合物中,通过对来自于患者的淋巴瘤细胞进行二代功能测试,研究人员找到针对T-PLL患者的新型有效疗法。

Blood:以BCL-2为靶点治疗B细胞淋巴瘤的进展。

近日,一种高潜力、高选择性口服BCL-2拮抗剂——Venetoclax——被批准用于治疗慢性淋巴细胞性白血病(CLL),已证实其在CLL具有高效性,即使是在携带高风险因子del(17p)的患者。此外,也已证实Venetoclax在B淋巴细胞性非霍奇金淋巴瘤(NHL)的其他亚型也是有效的,特别是在套细胞淋巴瘤(MCL)和滤泡性淋巴瘤(FL)。

Blood:Venetoclax联合硼替佐米和地塞米松对复发性/难治性多发性骨髓瘤的潜在疗效和安全性。

抗凋亡蛋白BCL-2和骨髓细胞白血病序列1(MCL-1)均可促进多发性骨髓瘤(MM)细胞存活。Venetoclax是一种选择性、口服生物效应性小分子BCL-2抑制剂;而Bortezomib(硼替佐米)则可间接抑制MCL-1。在临床前研究中发现Venetoclax可增强硼替佐米的效果,提示同时以BCL-2和MCL-1为靶点或许会是骨髓瘤的一种有效治疗方式。