在非洲儿童 (TABS-PKPD) 严重疟疾细菌联合感染中使用阿齐思罗米:II期随机对照试验
Roisin Connon1, Peter Olupot-Olupot2,3, Arthur M A Pistorius4
1MRC Clinical Trials Unit at University College London, Aviation House, 125 Kingsway, London, WC28 6NH, UK.
BMC medicine
|November 7, 2024
概括
这项研究探讨了在非洲儿童中治疗严重疟疾的最佳阿齐思罗米辛剂量,以防止细菌共感染. 没有明确发现阿齐思罗米暴露与降低的C-反应蛋白 (CRP) 水平之间的关联.
科学领域:
- 热带医学 热带医学
- 传染性疾病 传染性疾病
- 药理学 药理学是指药理学的学科.
背景情况:
- 患有严重疟疾的非洲儿童面临高风险的非伤寒型沙门氏菌共感染.
- 目前的指导方针建议使用广谱抗生素,但最佳药物类别和剂量仍未确定.
- 这项研究的目的是确定最佳的口服分散性阿齐思罗米辛剂量,并确定细菌共感染的风险因素.
研究的目的:
- 评估乌干达严重疟疾儿童口服分散性阿齐思罗米的最佳剂量.
- 调查是否临床标准和照顾点生物标志物可以识别患有细菌共感染风险最高的儿童.
- 探索阿齐思罗米辛暴露和败血症标志物之间的药理动力学-药理动力学关系.
主要方法:
- 一个I/II期试验随机选择了105名患有严重疟疾的儿童接受10,15或20毫克/公斤的阿齐思罗米辛5天疗程.
- 通过稀疏采样收集了药理动力学数据,并分析了与C反应蛋白 (CRP) 减少和微生物治疗的关联.
- 一个50名患有不严重疟疾的儿童的对照组被纳入评估风险分层方法.
主要成果:
- 在所有阿齐思罗米辛剂量组中,CRP水平在72小时内下降.
- 在15毫克/千克的阿齐思罗米辛手臂中,与10毫克/千克的手臂相比,观察到较小的统计学意义上的CRP降低 (p=0.02).
- 由于对病原体的鉴定有限,没有确定针对抗生素的方法.
结论:
- 在患有严重疟疾的儿童中,系统性阿兹罗密辛暴露和CRP减少之间没有发现任何关联.
- 需要进一步的研究,以制定有效的策略来识别最容易受到细菌共感染的儿童.
- 这种人群中严重疟疾共感染的最佳阿齐思罗米辛剂量需要进一步调查.
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