Toripalimab plus chemotherapy as second-line treatment in previously EGFR-TKI treated patients with EGFR-mutant-advanced NSCLC:a multicenter phase-II trial

查看全文 作　　者：Tao [1]Jiang;Pingyang [2]Wang;Jie [1]Zhang;Yanqiu [3]Zhao;Jianying [4]Zhou;Yun [5]Fan;Yongqian [6]Shu;Xiaoqing [7]Liu;Helong [8]Zhang;Jianxing [9]He;Guanghui [1]Gao;Xiaoqian [3]Mu;Zhang [4]Bao;Yanjun [5]Xu;Renhua [6]Guo;Hong [7]Wang;Lin [8]Deng;Ningqiang [8]Ma;Yalei [9]Zhang;Hui [10]Feng;Sheng [10]Yao;Jiarui [2,11]Wu;Luonan [1,2,11,12]Chen;Caicun [1]Zhou;Shengxiang [1]Ren

机构地区：[1]Shanghai Pulmonary Hospital,Tongji University School of Medicine,Shanghai,China;[2]State Key Laboratory of Cell Biology,Innovation Center for Cell Signaling Network,CAS Center for Excellence in Molecular Cell Science,Shanghai Institute of Biochemistry and Cell Biology,Chinese Academy of Sciences,University of Chinese Academy of Sciences,Shanghai,China;[3]Henan Cancer Hospital,Zhengzhou,China;[4]The First Affiliated Hospital of Zhejiang University,Hangzhou,China;[5]Zhejiang Cancer Hospital,Hangzhou,China;[6]Jiangsu Province Hospital,Nanjing,China;[7]The Fifth Medical Center of PLA General Hospital,Beijing,China;[8]Tangdu Hospital,Fourth Military Medical University,Xi’an,China;[9]The First Affiliated Hospital of Guangzhou Medical University,Guangzhou,China;[10]Shanghai Junshi Biosciences Co.Ltd,Shanghai,China;[11]Key Laboratory of Systems Health Science of Zhejiang Province,Hangzhou Institute for Advanced Study,University of Chinese Academy of Sciences,Hangzhou,China;[12]School of Life Science and Technology,ShanghaiTech University,Shanghai,China

出　　处：《Signal Transduction and Targeted Therapy》索引2021年第6卷第11期,共9页

基　　金：This study was also supported in part by grants from the National Natural Science Foundation of China(No.81871865,81874036,81972167,82102859,31930022,31771476,and 12026608);National Science and Technology Major Project(No.2017YFA0505500);the Strategic Priority Project of Chinese Academy of Sciences(No.XDB38040400,XDB38020000);the Backbone Program of Shanghai Pulmonary Hospital(No.FKGG1802);Shanghai Pujiang Talent Plan(No.2019PJD048);Shanghai Science and Technology Committee Foundation(NO.19411950300);Shanghai Key disciplines of Respiratory(No.2017ZZ02012);the Shanghai Sailing Program(No.20YF1407500). 摘　　要：This multicenter phase-II trial aimed to investigate the efficacy,safety,and predictive biomarkers of toripalimab plus chemotherapy as second-line treatment in patients with EGFR-mutant-advanced NSCLC.Patients who failed from first-line EGFR-TKIs and did not harbor T790M mutation were enrolled.Toripalimab plus carboplatin and pemetrexed were administrated every three weeks for up to six cycles,followed by the maintenance of toripalimab and pemetrexed.The primary endpoint was objective-response rate(ORR).Integrated biomarker analysis of PD-L1 expression,tumor mutational burden(TMB),CD8+tumor-infiltrating lymphocyte(TIL)density,whole-exome,and transcriptome sequencing on tumor biopsies were also conducted.Forty patients were enrolled with an overall ORR of 50.0%and disease-control rate(DCR)of 87.5%.The median progression free survival(PFS)and overall survival were 7.0 and 23.5 months,respectively.The most common treatment-related adverse effects were leukopenia,neutropenia,anemia,ALT/AST elevation,and nausea.Biomarker analysis showed that none of PD-L1 expression,TMB level,and CD8+TIL density could serve as a predictive biomarker.Integrated analysis of whole-exome and transcriptome sequencing data revealed that patients with DSPP mutation had a decreased M2 macrophage infiltration and associated with longer PFS than those of wild type.Toripalimab plus chemotherapy showed a promising anti-tumor activity with acceptable safety profiles as the second-line setting in patients with EGFR-mutant NSCLC.DSPP mutation might serve as a potential biomarker for this combination.A phase-III trial to compare toripalimab versus placebo in combination with chemotherapy in this setting is ongoing(NCT03924050). 关键词：NSCLC CHEMOTHERAPY treatment

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Toripalimab plus chemotherapy as second-line treatment in previously EGFR-TKI treated patients with EGFR-mutant-advanced NSCLC:a multicenter phase-II trial

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