Antimicrob Agents Chemother:患有急性中耳炎少年儿童中,克拉维酸减少浓度疗效研究

2017-04-30 AlexYang MedSci原创

阿莫西林/克拉维酸(A/C)是目前治疗儿童急性中耳炎(AOM)最有效的口服抗菌药物,但是标准剂量 90/6.4 mg/kg/day通常会引起腹泻。最近,有研究就是否能改变A/C用药规则,即更低浓度的克拉维酸可以导致更少的腹泻进行了研究,同时保持阿莫西林和克拉维酸血药浓度足够根除中耳病原物从而获得临床成功。研究人员设计了一个在年龄为6个月到23个月患有AOM的群体中的开放式研究。在研究第一阶段,研究

阿莫西林/克拉维酸(A/C)是目前治疗儿童急性中耳炎(AOM)最有效的口服抗菌药物,但是标准剂量 90/6.4 mg/kg/day通常会引起腹泻。最近,有研究就是否能改变A/C用药规则,即更低浓度的克拉维酸可以导致更少的腹泻进行了研究,同时保持阿莫西林和克拉维酸血药浓度足够根除中耳病原物从而获得临床成功。

研究人员设计了一个在年龄为6个月到23个月患有AOM的群体中的开放式研究。在研究第一阶段,研究人员对40名儿童进行了减少的克拉维素A/C用药规则,即提供为期10天的80/3.2 mg/kg/day用药量。在第二阶段,研究人员对72名儿童进行了同样的用药规则,剂量为80/2.85 mg/kg/day。之后,研究人员对比了这些儿童协议定义腹泻(PDD)、尿布皮炎比例和AOM临床反应,以及他们之前报道的接受标准A/C规则比例,研究人员同样获得多个时间点的了阿莫西林和克拉维酸的血药浓度。研究发现,阶段一和标准规则下儿童没有显著差异。PDD比例在阶段二和标准规则中分别为17%和26%(P=0.01)。相关的尿布皮炎比例分别为22%和34&(P=0.04),AOM治疗失败比例分别为12%和16%(P=0.44)。症状响应在不同的用药规则下没有显著的差异,都表现出了抑制β-内酰胺酶活性足够的克拉维酸水平。在AOM少年儿童中,比目前标准规则用药更低的克拉维酸剂量也许与更少的负作用并且没有减少临床效果有关。

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    2018-04-03 grace5700
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    2017-10-23 仁医06
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    2017-11-12 xjy02
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    2017-04-30 cqykthl

    有意义的临床研究。

    0

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