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典型文献
帕博利珠单抗联合培美曲塞和卡铂对比培美曲塞和卡铂一线治疗晚期、非鳞状非小细胞肺癌:Ⅱ期、随机、开放研究KEYNOTE-021G队列研究及长期随访数据解读
文献摘要:
KEYNOTE-021研究是一项随机、开放标签、多队列研究,其Ⅱ期研究G队列比较了培美曲塞和卡铂联合及不联合帕博利珠单抗在晚期、非鳞状非小细胞肺癌(non-small lung cancer,NSCLC)中作为一线治疗策略的疗效和安全性.主要研究终点是客观缓解率(objective response rate,ORR),次要研究终点为中位无进展生存期(progression-free survival,PFS),根据程序性死亡配体-1(programmed death ligand-1,PD-L1)肿瘤细胞阳性比例分数(tumor cell proportion score,TPS)<1%、1%~49%和≥50%进行分层.结果显示,在ITT人群中,ORR在免疫联合化疗组和单纯化疗组分别为 55%(33/60)和 29%(18/63),估计治疗差异为 26%(95%CI:9%~42%,P=0.001 6);亚组分析显示,在 PD-L1<1%、1%~49%和≥50%患者中,ORR 分别为 57%(12/21)、26%(5/19)和 80%(16/20).次要研究终点中位PFS在免疫联合化疗组和单纯化疗组分别为13.0个月和8.9个月(HR=0.53,P--0.01).两组3~4级不良反应发生率相似,免疫联合化疗组和单纯化疗组为39%(23/59)和26%(16/62).更新的3年生存率显示,免疫联合化疗组和单纯化疗组分别为50%和37%,ORR分别为58%和33%.在PD-L1<1%和PD-L1≥1%的亚组中,免疫联合化疗组和单纯化疗组ORR分别为67%和17%,54%和43%.因此,不论PD-L1表达状态,免疫联合化疗均能显著性延长晚期NSCLC患者的生存期.此外,12例完成35个周期(2年)患者的估计3年肿瘤持续缓解时间均为100%.基于此项研究,2017年5月美国食品和药品管理局(FDA)加速批准了帕博利珠单抗联合培美曲塞和卡铂用于未经治疗的驱动基因阴性的晚期非鳞状NSCLC的一线治疗,并为后续的KEYNOTE-189扩大样本Ⅲ期研究奠定了基础.
文献关键词:
帕博利珠单抗;培美曲塞;卡铂;客观缓解率;不良事件
作者姓名:
关业兰;胡红林;金莹;CSCO统计专家委员会KEYNOTE工作组
作者机构:
中国科学院大学附属肿瘤医院(浙江省肿瘤医院),中国科学院基础医学与肿瘤研究所,浙江杭州310022;江苏先声药业有限公司统计部,上海201321
文献出处:
引用格式:
[1]关业兰;胡红林;金莹;CSCO统计专家委员会KEYNOTE工作组-.帕博利珠单抗联合培美曲塞和卡铂对比培美曲塞和卡铂一线治疗晚期、非鳞状非小细胞肺癌:Ⅱ期、随机、开放研究KEYNOTE-021G队列研究及长期随访数据解读)[J].肿瘤学杂志,2022(09):786-796
A类:
021G
B类:
帕博利珠单抗,抗联,培美曲塞,卡铂,一线治疗,非鳞状非小细胞肺癌,KEYNOTE,队列研究,长期随访,随访数据,多队列,small,lung,cancer,NSCLC,治疗策略,疗效和安全性,客观缓解率,objective,response,rate,ORR,无进展生存期,progression,free,survival,PFS,程序性死亡配体,programmed,death,ligand,L1,肿瘤细胞阳性比例分数,tumor,cell,proportion,score,TPS,ITT,免疫联合化疗,单纯化,亚组分析,点中,不良反应发生率,缓解时间,此项,药品管理,管理局,FDA,经治,驱动基因阴性,大样本,不良事件
AB值:
0.277297
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