J Clin Oncol:新辅助化疗联合纳武单抗治疗可切除IIIA期非小细胞肺癌的3年预后

2022-05-21 MedSci原创 MedSci原创

采用新辅助化疗+纳武单抗联合治疗的可切除非小细胞肺癌患者可获得很好的三年总生存率。

肺癌是全球最常见的一种恶性肿瘤之一,是癌症相关死亡的主要原因。基于免疫疗法的治疗显著改善了肺癌患者的预后,已成为转移性非小细胞肺癌 (NSCLC) 的主要疗法。

NADIM试验是一项开放标签、多中心、单臂的2期研究,初步分析显示,采用新辅助化疗联合纳武单抗治疗可切除的非小细胞肺癌极具临床疗效。

本文汇报了该试验随访3年后的总生存预后及循环肿瘤DNA分析结果。

在该试验中,予以可手术切除的IIIA期NSCLC患者新辅助化疗(紫杉醇和卡铂)+纳武单抗(360 mg)治疗三个疗程(21天/疗程),继以纳武单抗单药辅助治疗一年(240mg/2周,4个月后改为480mg/4周)。主要终点是24个月时的无进展生存期(PFS)。次要终点是3年总生存率和血浆生物标志物分析。


无进展生存率和总生存率

共招募了46位患者。截止2021年3月,中位随访了38.0个月,有12位患者发生疾病进展,9例死亡。意向治疗人群的36个月总生存率是81.9%,复合方案人群的36个月总生存率是91.0%


根据基线ctDNA水平分层的无进展生存率和总生存率

肿瘤突变负荷和程序性细胞死亡配体-1染色都不能预测存活率。治疗前ctDNA水平低与无进展生存期和总生存率改善显著相关(风险比[HR]分别是0.20和0.07)。根据RECIST v1.1标准的临床反应不能预测生存预后。但是,新辅助治疗后检测不到的ctDNA与无进展生存期和总生存率改善明显相关(HR分别是0.26和0.04)。


根据治疗后ctDNA水平分层的无进展生存率和总生存率

综上,采用新辅助化疗+纳武单抗联合治疗的可切除非小细胞肺癌患者可获得很好的三年总生存率。治疗前后的ctDNA水平均与总生存率密切相关。

因素出处:

Mariano Provencio, et al. Overall Survival and Biomarker Analysis of Neoadjuvant Nivolumab Plus Chemotherapy in Operable Stage IIIA Non–Small-Cell Lung Cancer (NADIM phase II trial). Journal of Clinical Oncology. https://creativecommons.org/licenses/by-nc-nd/4.0/

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    2022-09-02 juliusluan78
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    2022-10-21 minlingfeng

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