J Clin Oncol:信迪利单抗联合安罗替尼作为二线或后线治疗PD-L1阳性复发或转移(R/M) 宫颈癌的疗效和安全性

2022-06-02 yd2015 网络 发表于威斯康星

研究表明,信迪利单抗加安罗替尼作为二线或后线治疗对于既往化疗失败的晚期宫颈癌患者是有效和安全的。

对于程序性死亡配体1 (PD-L1)阳性的晚期宫颈癌(CA),尚无研究评估免疫治疗联合抗血管生成治疗的疗效。近期,Journal of Clinical Oncology杂志上发表了一项多中心,单臂,前瞻性II期研究成果,主要是评估信迪利单抗联合安罗替尼作为二线或后线治疗PD-L1阳性复发或转移(R/M) CA的疗效和安全性。

PD-L1阳性(CPS≥1)的R/M CA患者在至少一次的全身化疗方案后进展或不能耐受化疗被纳入该研究。患者每3周接受200mg信迪利单抗 d1和10mg安罗替尼 qd d1-d14 q3w。主要终点为研究人员确认的客观缓解率(ORR)。次要终点包括无进展生存期(PFS)、总生存期和疾病控制率。

2019年12月至2020年12月,对51名患者进行了筛查,其中42名患者入组并接受了研究治疗。35例(83.3%)鳞状细胞癌(SCC), 39例(92.9%)接受放疗。远处转移30例(71.4%),其中肝转移13例(31.0%)。

数据截止日期为2021年7月13日,中位随访时间为10.9个月(范围为0.03-19.2)。中位治疗时间为7.0(范围为0.03-17.7)个月。在意向治疗人群中,2例(4.8%)患者达到CR, 21例(50%)达到PR;确认的ORR为54.8% (95% CI, 38.7 ~ 70.2)。缓解的中位时间为1.7个月(95% CI, 1.4 - 2.8)。14例(33.3%)患者存在SD, DCR为88.1% (95% CI, 74.4 ~ 96.0)。在39例疗效可评估的患者中,ORR为59.0% (95% CI, 42.1 ~ 74.4), DCR为94.9% (95% CI, 82.7 ~ 99.4)。

中位PFS为9.4个月(95% CI, 8.0 ~ 14.6), 6个月PFS率为73.1% (95% CI, 60.1 ~ 88.9)。10例患者发生OS事件(23.8%)。未达到中位OS(95% CI, 12.3-未达到),12个月OS率为73.8% (95% CI, 59.3-91.7)。在疗效可评估的患者中,与非鳞状细胞癌患者相比,鳞状细胞癌患者的ORR显著升高(69.7% v 0%;Fisher s精确检验,P=0.003)和较长的中位PFS(11.1个月,95% CI, 8.2-未达到v 5.8个月,95% CI, 2.8-未达到;log-rank检验,P=0.01)。

85.8%的患者发生了与治疗相关的不良事件。最常见的治疗相关不良事件是甲状腺功能减退(33.3%)、天冬氨酸转氨酶水平升高(21.4%)和高血压(19.0%)。

在疗效可评估的患者中,探索性分析显示,达到CR或PR的患者的PD-L1评分比SD或PD患者高(p=0.006)。高TMB组(n=10, 23.8%)和低TMB组(n528, 66.7%)的ORR(90%和50%,P=0.056)和PFS (HR, 1.39;95% CI, 0.38 ~ 5.06;P=0.585)差异无统计学意义。

PIK3CA、PI3K-AKT信号通路或KMT2D改变的患者ORR更高,而STK11和/或JAK2改变的患者PFS明显更短。

综上,研究表明,信迪利单抗加安罗替尼作为二线或后线治疗对于既往化疗失败的晚期宫颈癌患者是有效和安全的。

 

原始出处:

Xu Q, Wang J, Sun Y, Lin Y, Liu J, Zhuo Y, Huang Z, Huang S, Chen Y, Chen L, Ke M, Li L, Li Z, Pan J, Song Y, Liu R, Chen C. Efficacy and Safety of Sintilimab Plus Anlotinib for PD-L1-Positive Recurrent or Metastatic Cervical Cancer: A Multicenter, Single-Arm, Prospective Phase II Trial. J Clin Oncol. 2022 Jun 1;40(16):1795-1805. doi: 10.1200/JCO.21.02091. Epub 2022 Feb 22. PMID: 35192397.

 

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    2022-10-18 minlingfeng
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    2022-06-02 smartjoy
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    2022-06-02 一闲

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