J Clin Oncol:Durvalumab±Oleclumab/Monalizumab巩固治疗3期非小细胞肺癌的疗效和安全性

2022-04-26 Nebula MedSci原创

与Durvalumab单药治疗相比,两种联合方案均可相对提高客观缓解率和延长无进展生存期

Durvalumab 是一种选择性、高亲和力的人免疫球蛋白 G1 单克隆抗体 (mAb),可阻断程序性细胞死亡配体-1 (PD-L1) 与程序性细胞死亡-1 (PD-1) 和 CD80 的结合,使 T 细胞能够识别并杀死肿瘤细胞。已有研究显示,Durvalumab 显著提高了不可切除的 III 期非小细胞肺癌患者的总体生存率,并且在同步放化疗(cCRT)后无进展。

本研究是一项 II 期研究,目的对比不可切除的 III 期非小细胞肺癌患者在同步放化疗后单独使用 Durvalumab 或联合抗 CD73 单克隆抗体 Oleclumab 或抗 NKG2A 单克隆抗体 Monalizumab 作为巩固治疗的疗效和安全性。

复合纳入标准的患者被随机(1:1:1)分成三组,在 cCRT 后 42 天内接受 Durvalumab 单药或 Durvalumab+Oleclumab 或 Durvalumab+Monalizumab 巩固治疗长达12个月,并按组织学分层。主要终点是调查者判定的客观缓解率(ORR)。


各组的无进展生存率

2019年1月至2020年7月期间,共有189位患者被随机分至三组接受了研究治疗。截止2021年5月17日中期分析时,中位随访了11.5个月。Durvalumab 组、Durvalumab+Oleclumab 组和 Durvalumab+Monalizumab 组的客观缓解率分别是 17.9%、30.0%和35.5%。与 Durvalumab 单药组相比,两个联合治疗组的无进展生存期(PFS)均相对延长(+Oleclumab 组:HR 0.44;+Monalizumab 组:HR 0.42),12个月无进展生存率也更高(Durvalumab 组:33.9%;+Oleclumab 组:62.6%;+Monalizumab 组:72.7%)。

Durvalumab 组、Durvalumab+Oleclumab 组和 Durvalumab+Monalizumab 组的全因≥3级的需紧急治疗的不良反应的发生率分别是39.4%、40.7%和27.9%。

综上,与 Durvalumab单药治疗相比,两种联合方案均可相对提高客观缓解率和延长无进展生存期,且不增加安全性问题

 

原始出处:

Roy S. Herbst, et al. COAST: An Open-Label, Phase II, Multidrug Platform Study of Durvalumab Alone or in Combination With Oleclumab or Monalizumab in Patients With Unresectable, Stage III Non–Small-Cell Lung Cancer. J Clin Oncol. https://ascopubs.org/doi/full/10.1200/JCO.22.00227

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    2023-02-21 minlingfeng
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    2022-09-10 snf701207

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