智通财经APP获悉，阿斯利康（AstraZeneca，AZN.US）公司今日公布了3期临床试验NIAGARA的事后探索性亚组分析结果。分析显示，其重磅免疫疗法Imfinzi（durvalumab）围手术期治疗方案，与新辅助化疗联用，在肌层浸润性膀胱癌（MIBC）患者中改善了无事件生存期（EFS）和总生存期（OS），无论患者是否达到病理学完全缓解（pCR）。
NIAGARA是首个在肌层浸润性膀胱癌中证明围手术期免疫治疗方案在EFS和OS上均具有统计学显著和临床意义改善的3期试验，展现这一组合成为该适应症标准治疗的潜力。
Imfinzi是一种人源化的单克隆抗体。通过与PD-L1的结合，阻断PD-L1与PD-1和CD80蛋白的结合，进而抑制肿瘤的免疫逃逸机制。
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