抗微生物药物耐药性的地理溢出源于阿齐思罗米的大规模分布
Ariktha Srivathsan1,2, Ahmed M Arzika3, Ramatou Maliki3
1Francis I Proctor Foundation, University of California San Francisco, USA.
medRxiv : the preprint server for health sciences
|August 8, 2025
概括
大量服用阿齐思罗米会降低儿童死亡率,但可能会增加抗菌素耐药性 (AMR). 这项研究没有发现对未经治疗的村庄的宏类耐药性的地理溢出,这表明局部AMR选择来自阿兹罗迈辛干预.
科学领域:
- 全球健康 全球健康
- 传染性疾病 传染性疾病
- 微生物学 微生物学
背景情况:
- 大量药物管理 (MDA) 的阿齐思罗米显著降低高死亡率地区的儿童死亡率.
- 阿齐思罗米辛MDA与抗菌素耐药性 (AMR) 的选择有关,特别是对类的耐药性.
- 抗菌素耐药性从被治疗到未治疗的人群的潜在地理溢出仍然是一个未解决的问题.
研究的目的:
- 为了调查从阿齐思罗米大规模药物管理 (MDA) 到邻近未经治疗的人口的基因型宏类抗药的地理溢出效应.
- 评估阿齐思罗米辛MDA是否影响未经治疗的社区中超出宏类的抗生素类别中的抗菌素耐药性 (AMR).
主要方法:
- 在尼日尔,采用了一个集群随机化试验设计,涉及30个监测村庄的1200名儿童.
- 在MDA两年后,在594个周边村庄收集了直肠拭子,以评估基因型耐药性.
- 在接受治疗和未接受治疗 (安慰剂) 村庄中分析了对宏类和其他抗生素类型的基因型耐药性.
主要成果:
- 在未经治疗的村庄中,没有发现宏类耐药性的地理溢出证据.
- 在接受安慰剂治疗的村庄中,抗菌素耐药性 (AMR) 的遗传负荷保持在基线水平,而不管周围的阿兹罗密辛MDA强度如何.
- 敏感性分析证实,阿兹罗迈辛MDA对宏类AMR的影响是局部的,没有观察到其他抗生素类别的溢出.
结论:
- 抗微生物药物耐药性 (AMR) 的马克罗利德的阿兹罗密MDA诱导的选择是地理上局部的治疗村庄.
- 这些发现减轻了对AMR对未经治疗的人群的地理溢出问题的担忧.
- 随机试验设计对于评估大规模药物管理等公共卫生干预措施的间接影响是有价值的.
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