克洛克萨西林加上斯福米辛与单独的克洛克萨西林用于对甲素敏感的金黄色葡萄球菌菌病:一个随机试验
Sara Grillo1,2,3, Miquel Pujol4,5,6, Josep M Miró2,7,8,9
1Department of Infectious Diseases, Hospital Universitari de Bellvitge, Barcelona, Spain.
Nature medicine
|October 2, 2023
概括
添加氏素到西林并没有改善对甲素敏感黄金葡萄球菌 (MSSA) 细菌病的治疗成功. 这种组合疗法在住院成年人中没有比单独使用克洛西林显著的益处.
科学领域:
- 传染性疾病 传染性疾病
- 临床微生物学 临床微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 对甲基西林敏感的金黄色葡萄球菌 (MSSA) 细菌病的显著治疗失败率约为25%.
- 优化针对MSSA细菌病的抗生素治疗方案对于改善患者的治疗结果至关重要.
研究的目的:
- 评估克洛克萨西林和斯福米辛的组合是否比克洛克萨西林单一治疗在患有MSSA细菌病的住院成年人中提供更好的治疗成功.
- 评估二次终点,包括死亡率,不良事件和持续性细菌血症.
主要方法:
- 一个多中心的,开放的,随机的临床试验,比较静脉注射单独的克洛西林与克洛西林加上福斯福米辛在治疗的最初7天.
- 主要终点:在第7天的治疗成功,以患者的存活率,临床稳定性和阴性血液培养物来定义.
- 对214名随机选择的患者进行治疗意向分析.
主要成果:
- 结合治疗组的79.8%在第7天获得治疗成功,而单疗组的74.5% (风险差异5.3%;95% CI,-5.95-16.48).
- 两组之间没有观察到死亡率或不良事件的显著差异.
- 在组合治疗组中,在第3天持续的细菌性血较少发生.
结论:
- 与单独使用克洛西林相比,克洛西林加福米辛在第7天并没有在MSSA细菌病症中表现出更好的治疗成功.
- 这项研究因基于临时分析的徒劳性而提前停止.
- 由于MSSA感染的异质性,未来的研究应该探索个性化治疗方法.
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