含有Cefiderocol的疗法与对抗卡巴因耐药的Acinetobacter感染的最佳可用疗法相比
Madeline Murphy1, Punit J Shah2, Meghan Thibeaux2
1Houston Methodist Hospital, Houston, TX, USA.
概括
与最佳可用疗法 (BAT) 相比,对抗卡巴奈姆耐药的Acinetobacter baumannii (CRAB) 感染的Cefiderocol治疗与较高的死亡率有关. 需要进一步的研究来了解CRAB患者管理中的这些结果.
科学领域:
- 传染性疾病 传染性疾病
- 临床药理学 临床药理学
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 耐卡巴胺的宝曼尼菌 (CRAB) 由于有效的治疗选择有限,对全球健康构成重大威胁.
- 一种新型 siderophore cephalosporin 的 Cefiderocol 在体外对 A. baumannii 具有活性,但对其对 CRAB 感染的疗效的临床数据仍然稀缺且相互矛盾.
- 对CRAB感染的最佳治疗策略尚未确立,这凸显了对比较有效性研究的需要.
研究的目的:
- 为了比较接受含 cefiderocol 治疗方案的患者和接受 CRAB 感染最佳可用疗法 (BAT) 的患者之间的住院死亡率.
- 评估Cefiderocol在治疗严重的CRAB感染中的临床结果.
主要方法:
- 从2021年11月到2023年6月进行了一项多中心,回顾性队列研究.
- 包括已确诊的CRAB感染的成年患者 (不包括尿源和同时发生的グラム阳性感染),接受至少48小时的活性剂治疗.
- 主要结局指标是住院死亡率或退院.
主要成果:
- 与BAT组相比,在基线时接受 cefiderocol疗程的患者的细菌病和血管压缩剂使用率较高.
- 在Cefiderocol组 (36%) 与BAT组 (14%),观察到一个统计学上显著的更高的住院患者死亡率或离院率.
- 死亡率的差异为0.2 (95% CI,0.06-0.38;P = 0.005).死亡率的差异是0.2 (95% CI,0.06-0.38;P = 0.005).死亡率的差异是0.2 (95% CI,0.06-0.38;P = 0.005).死亡率的差异是0.2 (95% CI,0.06-0.38;P = 0.005).死亡率的差异是0.2 (95% CI,0.06-0.38;P = 0.005).
结论:
- 与CRAB感染的BAT相比,含有Cefiderocol的治疗方案与住院患者死亡率或送院出院率的增加有关.
- 这些发现表明,在这个患者群体中,有潜在的安全问题或是 cefiderocol 缺乏疗效.
- 需要进一步的研究来阐明这些观察结果的原因,并指导CRAB的未来治疗决策.
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