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阿莫西西林/克拉夫兰酸盐与里芬素/克拉里思罗米结合,可以杀死Mycobacterium ulcerans的细菌

Emma Sáez-López^1,2, Ana C Millán-Placer^1,2, Ainhoa Lucía^1,2

¹Department of Microbiology, Paediatrics, Radiology and Public Health, Faculty of Medicine, University of Zaragoza, Zaragoza, Spain.

PLoS neglected tropical diseases

|April 4, 2024

概括

新的抗生素组合,包括阿莫西西林/克拉夫兰酸盐 (AMX/CLV),在治疗布鲁利 (BU) 方面表现有前途. 更快的体外方法,如发光,可以评估细菌负载,可能缩短这种被忽视的热带疾病的治疗时间.

科学领域:

微生物学微生物学
传染性疾病传染性疾病
抗微生物耐药性抗微生物耐药性

背景情况:

布鲁利 (BU) 是一种被忽视的热带疾病 (NTD),是由Mycobacterium ulcerans引起的.
目前的治疗包括每天服用8周的利芬素 (RIF) 和清红素 (CLA),这带来了合规性挑战.
阿莫西西林/克拉夫兰酸盐 (AMX/CLV) 与RIF+CLA对抗M. ulcerans.已经显示出协同作用的潜力.

研究的目的:

评估RIF,CLA和AMX/CLV组合对抗M. ulcerans的体外活性.
为了比较不同的方法量化细菌负载的时间杀死测试 (TKA).

主要方法:

在M. ulcerans的临床分离物体上进行了体外杀时试验 (TKA).
使用殖民地形成单位 (CFU) 计数,发光量 (RLU),光密度 (OD) 和基因量化 (16S rRNA/IS2404) 来评估细菌负载.

主要成果:

RIF+AMX/CLV和RIF+CLA+AMX/CLV组合显示出对M. ulcerans的杀菌活性.
这些组合在体外比标准的RIF+CLA治疗更有效.
光 (RLU) 提供了一种成本效益高,可靠的替代方案,用于计量细菌负载.

结论:

更快的TKA方法,如发光,可以取代BU研究中耗时的CFU量化.
这些发现支持旨在缩短BU治疗持续时间的临床试验.
这项研究提供了针对Buruli的新型组合疗法的体外证据.

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