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NEJM:每日1次Plazomicin治疗复杂性尿路感染疗效显著

2019-02-21 zhangfan MedSci原创

研究认为,Plazomicin对因肠杆菌科引起的复杂性尿路感染的治疗效果不劣于美罗培南,对多药耐药菌株感染的治疗效果显著

临床中由于革兰氏阴性泌尿系病原体导致的多药耐药事件不断增加,Plazomicin为新一代氨基糖苷类抗生素,对多药耐药(包括碳青霉烯耐药)的肠杆菌具有良好杀菌活性。

近日研究人员招募了609名复杂性尿路感染(UTI,含急性肾盂肾炎)患者,随机接受Plazomicin(每15mg/Kg体重,每日1次)静脉治疗或美罗培南(每日8小时1g)。患者先接受4天的静脉注射治疗随后转为口服治疗,治疗周期7-10天。研究的主要终点为治疗复杂UTI疗效的非劣性,非劣性边界15%。疗效终点为治疗后第5天以及15-19天的综合治愈率(临床治疗与微生物根除)。

Plazomicin疗效达到非劣性终点。第5天,Plazomicin综合治愈率为88.0%,美罗培南组为91.4%。15-19天,Plazomicin综合治愈率为81.7%,美罗培南组为70.1%,Plazomicin在微生物根除率,包括根除对氨基糖苷类不敏感的肠杆菌科(78.8% vs 68.6%)和产超广谱β-内酰胺酶的肠杆菌科(82.4% vs75.0%)方面,优于美罗培南。在治疗后24-32天,Plazomicin组微生物(3.7% vs 8.1%)和临床(1.6% vs 7.1%)复发率更低。主要不良事件为血肌酐水平增加,其中增加超过40μmol/L的患者比例,Plazomicin组为7.0%,美罗培南组为4.0%。

研究认为,Plazomicin对因肠杆菌科引起的复杂性尿路感染的治疗效果不劣于美罗培南,对多药耐药菌株感染的治疗效果显著。

原始出处:

Florian M.E. Wagenlehner et al. Once-Daily Plazomicin for Complicated Urinary Tract Infections.N Engl J Med, February 21, 2019.

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    2019-09-01 kalseyzl
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    2019-02-21 内科新手

    谢谢梅斯提供这么好的信息,学到很多

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