Clin Cancer Res:阿特珠单抗联合贝伐单抗治疗晚期黏膜黑色素瘤

2022-09-05 MedSci原创 MedSci原创

阿特珠单抗与贝伐单抗的联合疗法在晚期黏膜黑色素瘤患者中展现出了有希望的疗效和可控的安全性。

抗程序性细胞死亡-1抗体单一疗法是皮肤黑色素瘤标准疗法的一部分,但对黏膜黑色素瘤的疗效较差。该研究评估了阿特珠单抗联合贝伐单抗作为晚期黏膜黑色素瘤一线治疗的疗效和安全性。

这是一项多中心、开放标签、单臂的2期研究,采用了西蒙的两阶段设计。每三周予以一次阿特珠单抗(固定剂量 1200mg)和贝伐单抗(7.5mg/kg)。主要终点是客观缓解率(ORR)。次要终点包括无进展生存期(PFS)、总生存期(OS)、缓解持续时间(DOR)和安全性。


无进展生存率

总体上,共招募了43位患者,包括20位(46.5%)不能手术切除的患者和23位(53.5%)转移性黏膜黑色素瘤患者。截止2021年7月30日,中位随访了13.4个月。40位患者可被纳入反应评估:客观缓解率为45.0%(95% CI 29.3%-61.5%),包括1例完全缓解和17例部分缓解。中位无进展生存期为8.2个月,6个月和12个月的无进展生存率分别是53.4%和28.1%。中位总生存期未达到,6个月和12个月总生存率分别是92.5%和76.0%。中位缓解持续时间是12.5个月。


不良事件发生情况

90.7%(39/43)的患者经历了治疗相关的不良事件;25.6%(11/43)的患者经历了3级及以上的不良事件。

总之,阿特珠单抗与贝伐单抗的联合疗法在晚期黏膜黑色素瘤患者中展现出了有希望的疗效和可控的安全性。

 

原始出处:

Lili Mao, Meiyu Fang, Yu Chen, et al. Atezolizumab Plus Bevacizumab in Patients with Unresectable or Metastatic Mucosal Melanoma: a Multicenter, Open-label, Single-arm Phase 2 Study. Clin Cancer Res 2022; https://doi.org/10.1158/1078-0432.CCR-22-1528

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    2022-09-06 snowpeakxu
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