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Aliment Pharm Therap:粪便菌群移植治疗复发性CDI-新鲜、冷冻还是冻干菌群?

2017-04-05 常路 环球医学

粪便菌群移植(FMT)在抗菌药物难治的艰难梭菌感染(CDI)的管理中已成惯例。2017年4月,发表在《Aliment Pharmacol Ther.》的一项随机临床试验调查了使用结肠镜取出的健康供者便液中的新鲜、冷冻或冻干菌群产品对复发性CDI患者的临床应答和结肠菌群多样性的改善。目的:旨在使用不同供者产品比较复发性CDI患者的临床应答和结肠菌群多样性的改善。方法:72名CDI≥3次发作的患者在双

粪便菌群移植(FMT)在抗菌药物难治的艰难梭菌感染(CDI)的管理中已成惯例。2017年4月,发表在《Aliment Pharmacol Ther.》的一项随机临床试验调查了使用结肠镜取出的健康供者便液中的新鲜、冷冻或冻干菌群产品对复发性CDI患者的临床应答和结肠菌群多样性的改善。

目的:旨在使用不同供者产品比较复发性CDI患者的临床应答和结肠菌群多样性的改善。

方法:72名CDI≥3次发作的患者在双盲研究中通过结肠镜随机分配到接受新鲜、冷冻或冻干的FMT产品中,这些产品来自于8名健康供者提供的50g粪便/治疗。受者在FMT前和FMT后的7、14和30天提供粪便用于艰难梭菌毒素检查,在子集中,通过16s rRNA基因分析检测肠道菌群结构。

结果:FMT后的2个月随访期,CDI的总体缓解率为87%。与供者相比,FMT前的粪便样本的细菌多样性显着降低,变形菌门的比例较高。接受新鲜产品的患者的治愈率最高,为25/25(100%),冻干产品最低,为16/23(78%;vs新鲜的P=0.022,vs冷冻的P=0.255),冷冻产品居中,为20/24(vs新鲜的P=0.233)。接受新鲜或冷冻产品的患者到第7天时重构了微生物多样性。随机分配到冻干产品的患者到第7天时观察到了多样性的改善,但是直到第30天时才重构。

结论:接受来自于相同供者的新鲜或冷冻粪便产品的患者中,观察到了粪便菌群移植的相似的有效性。冻干产品与新鲜产品相比,具有稍微差的有效性,但是在粪便菌群移植后1个月时的微生物恢复上,与其他治疗相似。

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    2017-05-05 jj000001
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    2017-04-07 Homburg
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    2017-04-07 ylz8406

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基于对272例患者的分析,无论有无免疫抑制治疗,相比于不伴有IBD的患者,在伴有IBD患者中粪便菌群移植清除CDI复发的效果稍差。超过25%的伴有IBD的患者在粪便菌群移植之后出现炎症表现,淋巴细胞性结肠炎不影响粪便菌群移植的结局,只有一小部分患者进行粪便菌群移植后需要药物治疗。

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