早期甲蓝用于降低高剂量血管预测器依赖性败血性休克 (EMPRESS) 的死亡率:多中心随机对照试验的协议
Jing-Chao Luo1,2, Li Ma3, Ming-Hao Luo4,5
1Department of Critical Care Medicine, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
Scandinavian journal of trauma, resuscitation and emergency medicine
|January 24, 2026
概括
甲蓝 (MB) 可能会降低严重败血症休克患者的死亡率,这些患者需要高剂量的血管压缩剂. 这项试验将确定早期的MB管理是否改善了这一关键子组的存活率.
科学领域:
- 关键护理医学 关键护理医学
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 败血性休克是导致死亡的首要原因,通常涉及过度血管扩张通过氧化可溶性瓜尼酸环-环单酸 (NO-sGC-cGMP) 途径.
- 甲蓝 (MB) 抑制了这种途径,并显示出血液动力学益处,表明它有可能作为败血性休克的辅助疗法.
- 一个特定的,高死亡率的细分群体的感染性休克患者需要高剂量的血管压缩剂由于严重的血管,并缺乏大规模的试验数据MB的疗效.
研究的目的:
- 评估早期甲蓝剂的有效性,降低28天全因死亡率.
- 评估MB对二次结果的影响,包括无ICU日和血管压缩剂依赖.
- 为MB作为辅助疗法的作用提供证据,用于管理高剂量血管压缩剂依赖性败血性休克.
主要方法:
- 一个多中心,开放标签,盲目的终点随机对照试验 (RCT) 涉及566名患有败血性休克的成年患者.
- 需要在血管压缩剂开始后24小时内服用高于0.3微克/千克/分钟的上腺素等效剂量的患者被随机分组.
- 干预组接受MB (2毫克/公斤负载剂量,0.25毫克/公斤/小时输液) 或安慰剂 (5%牛精),长达48小时,按SOFA分数和研究中心分层.
主要成果:
- 主要终点:28天全因死亡率.
- 二级终点:无ICU日,无血管压力器日,无呼吸器日,住院死亡率和SOFA分数的改善.
- 数据分析将确定MB对这些重症监护结果的影响.
结论:
- 本RCT的目的是确定早期MB的管理是否降低了高剂量血管压缩剂要求的败血症休克患者的死亡率.
- 这些发现可能会影响治疗严重败血症休克的临床指导方针.
- 这项研究将澄清MB在高风险血管患者群体中的潜在益处.
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