JAMA Oncol:卡罗妥昔单抗联合帕唑帕尼治疗晚期血管肉瘤的疗效和安全性

2022-04-05 Nebula MedSci原创

与帕唑帕尼单药治疗相比,卡罗妥昔单抗联合帕唑帕尼并不能改善晚期血管肉瘤患者的无进展生存预后

血管肉瘤是一种罕见的肉瘤亚型,预后较差。在一项1/2期临床试验中,卡罗妥昔单抗(Carotuximab)联合帕唑帕尼(Pazopanib)治疗帕唑帕尼初治的化疗难治性血管肉瘤患者的中位无进展生存期 (PFS) 为7.8个月。

本研究旨在明确,与帕唑帕尼单药治疗相比,卡罗妥昔单抗联合帕唑帕尼是否能延长晚期血管肉瘤患者的无进展生存期。

这是一项国际性、多中心、开放标签、平行组的3期随机试验,招募了年满18岁的晚期血管肉瘤患者,随机1:1分成两组,接受帕唑帕尼单药治疗或卡罗妥昔单抗联合帕唑帕尼治疗。主要终点是无进展生存期(PFS)。次要终点包括客观缓解率和总生存率。

共招募了123位患者,其中114位被纳入本次分析(帕唑帕尼单药组 53位,联合组 61位),包括69位(61%)女性,中位年龄是68岁;57位(50%)是皮肤病变,32位(28%)既往未进行过治疗。


两组的中位无进展生存期

主要终点(PFS)未达到(风险比[HR] 0.98,p=0.95),帕唑帕尼单药组和联合组的中位PFS分别是4.3个月(95% CI 2.9个月-未达到)和4.2个月(2.8-8.3个月)。


两组的中位总生存期

最常见的全级不良反应(单药组 vs 联合组)有疲劳(55% vs 61%)、头痛(23% vs 64%)、腹泻(51% vs 57%)、恶心(49% vs 48%)、呕吐(23% vs 38%)、贫血(9% vs 44%)、鼻出血(4% vs 56%)和高血压(55% vs 36%)。


发生于至少两位患者的3级及以上的不良反应

综上,该研究表明,与帕唑帕尼单药治疗相比,卡罗妥昔单抗联合帕唑帕尼并不能改善晚期血管肉瘤患者的无进展生存预后。

原始出处:

Jones RL, Ravi V, Brohl AS, et al. Efficacy and Safety of TRC105 Plus Pazopanib vs Pazopanib Alone for Treatment of Patients With Advanced Angiosarcoma: A Randomized Clinical Trial. JAMA Oncol. Published online March 31, 2022. doi:10.1001/jamaoncol.2021.3547

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