NEJM:转移性鳞状非小细胞肺癌一线治疗 免疫治疗+化疗生存期更长

2018-12-27 贾朝娟 环球医学

继肿瘤靶向治疗之后,近几年免疫治疗大放异彩。对于转移性鳞状非小细胞肺癌(NSCLC),帕博利珠单抗(对于肿瘤细胞表达程序死亡配体1(PD-L1)≥50%的患者)几乎已成为与化疗齐驾并驱的一线治疗。2018年11月,发表在权威杂志《N Engl J Med》的一项研究再次显示,对于转移性鳞状NSCLC患者,与单纯化疗相比,帕博利珠单抗联合化疗一线治疗可带来更多生存获益。

继肿瘤靶向治疗之后,近几年免疫治疗大放异彩。对于转移性鳞状非小细胞肺癌NSCLC),帕博利珠单抗(对于肿瘤细胞表达程序死亡配体1(PD-L1)≥50%的患者)几乎已成为与化疗齐驾并驱的一线治疗。2018年11月,发表在权威杂志《N Engl J Med》的一项研究再次显示,对于转移性鳞状NSCLC患者,与单纯化疗相比,帕博利珠单抗联合化疗一线治疗可带来更多生存获益。

背景:转移性鳞状非小细胞肺癌的标准一线治疗为基于铂的化疗或帕博利珠单抗(对于肿瘤细胞表达程序死亡配体1(PD-L1)≥50%的患者)。近期已经证明,帕博利珠单抗+化疗可显着延长非鳞状NSCLC患者的总生存期。

方法:在这项双盲3期试验中,按照1:1的比例,研究者将559名未经治疗的转移性鳞状非小细胞肺癌患者随机分配至帕博利珠单抗200mg或生理盐水安慰剂治疗组中,35个周。前4个周期,所有患者同时还接受卡铂、紫杉醇或纳米粒子白蛋白结合(nab)紫杉醇治疗。首要终点为总生存期和无进展生存期。

结果:中位随访7.8个月后,帕博利珠单抗组和安慰剂组中位总生存期分别为15.9个月(95% CI,13.2~未达到)和11.3个月(9.5~14.8)(死亡风险比,0.64;95% CI,0.49~0.85;P<0.001)。无论PD-L1表达水平如何,总体生存获益都一致。

帕博利珠单抗组和安慰剂组中位无进展生存期分别为6.4个月(95% CI,6.2~8.3)和4.8个月(4.3~5.7)(疾病进展或死亡风险比,0.56;95% CI,0.45~0.70;P<0.001)。

帕博利珠单抗组和安慰剂组分别有69.8%和68.2%的患者发生3级或以上不良事件。帕博利珠单抗组因不良事件而停止治疗的患者比例高于安慰剂组(13.3% vs 6.4%)。

结论:既往未经治的转移性鳞状非小细胞肺癌患者,将帕博利珠单抗添加到卡铂+紫杉醇或nab紫杉醇的化疗中,其总生存期和无进展生存期显着长于单纯化疗。

原始出处:

Paz-Ares L, Luft A, Vicente D, et al. Pembrolizumab plus Chemotherapy for Squamous Non-Small-Cell Lung Cancer. N Engl J Med. 2018 Nov 22;379(21):2040-2051. doi: 10.1056/NEJMoa1810865.

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    2018-12-28 飛歌

    学习了很有用不错

    0

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    2018-12-27 deanyu0822

    热门

    0

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