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Eur J Haematol:多发性骨髓瘤对一线和二线治疗的反应动力学

2021-11-26 MedSci原创 MedSci原创

通过分析均质处理队列中的 M-spike 和 LC 反应,研究团队确定了关于动力学模式预后价值的重要见解。前瞻性分析可能会更多地阐明未解决的问题

多发性骨髓瘤 (MM) 治疗反应动力学的预后价值存在争议。国外一研究团队旨在通过回顾对一线和二线 MM 治疗的反应动力学、利用均质治疗队列并分别分析每位患者的 M 尖峰和轻链 (LC) 反应来扩展有关该主题的知识。研究发表在杂志Eur J Haematol上。



团队回顾了 2007 年至 2019 年期间在我们中心接受一线环磷酰胺、硼替佐米和地塞米松诱导,随后接受美法仑和来那度胺维持自体移植的所有患者。

分析 360 名患者,他们观察到在个体患者水平上对一线和二线治疗的反应动力学之间没有相关性。对一线治疗的最佳反应时间不是结果的预测指标;然而,获得最佳反应的时间越长,二线治疗的良好结果的预测性就越高,与其他因素无关。IgA-MM 患者清除其 M 尖峰的速度比 IgG-MM 快,这可能反映了这些同种型的不同半衰期而非疾病生物学,因为两种亚型中 LC 的清除率相似。

表1:对一线和二线治疗的反应动力学的变量


粗体表示统计学显著相关性。A. 对一线和二线治疗的反应动力学的不同变量的特征。B. 不同变量之间的两两相关性——皮尔逊系数(p值)。TBR1-M:M-Spike一线治疗最佳反应时间;TBR1-LC:轻链对一线治疗最佳反应时间;TBR2-M:M-Spike二线治疗最佳反应时间;TBR2-LC:轻链对二线治疗最佳反应时间DBR1:一线治疗最佳反应时间 ;DBR2:二线治疗最佳反应时间。

图1:根据治疗反应动力学得出的生存率。

(A,B)无进展生存期-PFS(A)和总生存期-OS(B)从时间对一线治疗的最佳反应到M-spike(TBR1-M)对一线治疗的最佳反应,高于或低于中位数。(C,D)TBR1-M以上或低于中位数开始二线治疗后的PFS(C)和OS(D)。(E、F)PFS(E)和OS(F)从时间对一线治疗的最佳反应到轻链对一线治疗(TBR1-LC)的最佳反应,高于或低于中位数。(G、H)从TBR1-LC开始二线治疗后的PFS(G)和OS(H),高于或低于中位数。(I、J)PFS(E)和OS(F)从时间上对二线治疗的最佳反应到M-spike(TBR2-M)对二线治疗的最佳反应,高于或低于中位数。(K,L)PFS(K)和OS(I)从时间对二线治疗的最佳反应到对二线(TBR2-LC)的最佳反应,高于或低于中位数

表2:多变量分析-spike从最佳反应到一线的无进展生存期

粗体表示统计学显著相关性。缩写:CI、置信区间、HR、危险比、LC、轻链、PR、部分反应、R-ISS、修订的国际评分体系、TBR1-LC、轻链一线治疗最佳反应时间;TBR1-M,M峰值一线治疗最佳反应时间;VGPR,部分反应很好。a基于EPV>10规则,模型中包含了最感兴趣的变量。b1型反应:涉及的LC,2型反应减少90%,或比率没有归一化;3型反应的LC减少50%。

表4:M-spike从最佳响应到二线的多变量分析

粗体表示统计学显著相关性。缩写:ASCT,自体干细胞移植;CI、置信区间、HR、危险比、PR、部分反应;TBR1-M,M峰值一线治疗最佳反应时间;TBR2-M、M峰值二线治疗最佳反应时间;VGPR,部分反应很好。a基于EPV>10规则,模型中包含了最感兴趣的变量

总的来说,通过分析均质处理队列中的 M-spike 和 LC 反应,研究团队确定了关于动力学模式预后价值的重要见解。前瞻性分析可能会更多地阐明未解决的问题。

 

原始出处:

Lebel E,Li X,Paul H,et al.Kinetics of response to first- and second-line therapies in multiple myeloma: Assessment by both M-spikes and light chains.[J].Eur J Haematol,1970,:.

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    2021-12-06 jml2009
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    2022-02-09 changfy
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    2021-12-01 辰余落雁

    药代动力学指导下的化疗

    0

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    2021-11-28 fengyi812
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【柳叶刀血液学】复发性MM自体移植后伊沙佐米巩固+维持的3期研究中期分析

学者开展一项3期研究,以评估挽救性自体移植后,使用伊沙佐米、沙利度胺和地塞米松(ITD)进行巩固和伊沙佐米单药维持治疗是否优于观察。

【BJH】杜鹃教授团队发现二甲双胍可增强GPRC5D CAR-T疗效

因此海军军医大学第二附属医院(上海长征医院)杜鹃教授团队研究了二甲双胍与GPRC5D CAR-T细胞的潜在协同免疫作用,结果近日发表于《British Journal of Haematology》。

【TCT】王福旭教授团队证实RRMM BCMA CAR-T序贯自体移植巩固可改善预后

河北医科大学第二医院王福旭教授牵头一项回顾性研究,分析了39例接受BCMA CAR-T治疗的RRMM患者,其中13例接受AHCT巩固,结果发现AHCT巩固可改善RRMM患者预后。

【Nat Med】专家观点:感染是CAR-T治疗后非复发死亡的主要驱动因素

研究结果强调了感染对NRM的影响,并呼吁对CAR-T细胞诱导的造血抑制进行进一步的机制研究,以及临床监测和管理策略,以减轻感染风险,改善CAR-T细胞治疗的发展前景。

【AJH】多发性骨髓瘤串联移植后的第二原发恶性肿瘤分析

为了评估SPM的发生率和特征及其对OS的后续影响,以及与单次自体造血干细胞移植相比,串联自体造血干细胞移植是否与SPM风险升高有关,学者对四项试验中接受治疗的1379例新诊断MM患者进行了回顾性分析。

【Nat Cancer】检查点抑制剂治疗多发性骨髓瘤,王者归来?

Dhodapkar等开展的一项研究近日证实,重度经治MM患者在阻断检查点TIGIT和LAG3后免疫微环境发生明显变化且疗效显著,或许标志着ICI在MM治疗中实现崛起。

2024 NICE 技术鉴定指南:塞利尼索联合地塞米松治疗4次或4次以上治疗后复发或难治性多发性骨髓瘤 [TA970]

英国国家卫生与临床优化研究所(NICE,National Institute for Health and Clinical Excellence) · 2024-05-08

2024 IMWG共识指南建议:T细胞结合双特异性抗体治疗多发性骨髓瘤的最佳应用

国际骨髓瘤工作组(IMWG,International Myeloma Working Group) · 2024-05-03

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