EV-303研究介绍 episode artwork

EPISODE · Apr 14, 2026 · 4 MIN

EV-303研究介绍

from 新辅助力克BC,EV领航辟新径

导语:在ESMO年会后,MIBC领域最受瞩目的重磅成果当属EV-303研究。该研究历经多轮方案优化,其创新的围手术期治疗模式与惊艳的疗效数据,直接为这类临床棘手人群提供了全新治疗方向。本节将全面拆解研究的核心信息,凸显其在MIBC治疗中的突破性价值。EV-303研究介绍:入组人群精准定位:聚焦临床经典MIBC患者(T2-T4期或T1期合并N1病灶),且以尿路上皮癌为主,严格限定“顺铂不耐受/拒绝顺铂”这一未被满足需求的人群,研究结果更具临床针对性。设计方案革新:采用1:1随机分组,试验组创新打造“新辅助EV+P+术后辅助EV+P”的围手术期方案,对照组为传统根治性手术;同时按顺铂耐受状态、临床分期、地区分层,确保结果可靠性,主要终点设为BICR评估的EFS,次要终点含OS与pCR。疗效数据碾压传统方案:试验组中位EFS尚未达到(对照组仅15.7个月,HR=0.4,意味着疾病进展风险降低60%),中位OS同样未达到(对照组41.7个月,HR=0.5,死亡风险降低50%);更关键的是,试验组pCR率达57.1%,而对照组仅8.6%,亚组分析显示获益均匀,无明显优势人群,证明方案普适性强。安全性与手术兼容性优异:≥3级TRAE发生率71.3%,严重TRAE发生率58.1%,与EV-301、EV-302等晚期尿路上皮癌研究的不良事件谱高度一致,安全性可控;且试验组92.4%患者能安全接受RC,与对照组95.4%的手术率几乎无差异。

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EV-303研究介绍

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