J Am Acad Dermatol:Omiganan可有效恢复轻中度特应性皮炎患者失调的菌群,但是不能改善患者的临床症状

2022-05-20 sunshine MedSci原创

菌群失调和金黄色葡萄球菌定植被认为在特应性皮炎(AD)的发病机制中起着重要作用。恢复这种菌群失调可能会改善AD症状。

菌群失调和金黄色葡萄球菌定植被认为在特应性皮炎(AD)的发病机制中起着重要作用。恢复这种菌群失调可能会改善AD症状。Omiganan是一种合成的吲哚啉类似物抗菌肽,对金黄色葡萄球菌有活性,可能是一种可行的治疗AD的新选择。发表于J Am Acad Dermatol的一项随机对照试验评估了Omiganan在轻度至中度AD中的耐受性、临床疗效和药效学。

研究共纳入80名患者,随机分配到Omiganan 1%、1.75%或2.5%或药物,每天两次,对所有病变部位进行治疗,为期28天。每周随访包括对一个目标病变的临床评分、微生物和药效学评估。

结果显示,在所有Omiganan治疗组中,葡萄球菌种类的丰度减小、多样性增加,恢复了菌群失调。在所有Omiganan治疗组中都观察到培养的金黄色葡萄球菌减少,其中Omiganan 2.5%的治疗组与对照组相比减少更明显(-93.5%;95% CI,-99.2至-28.5%;P = .02)。研究期间没有发生严重的不良事件(AEs)或死亡。8名患者因AD症状明显增加而停药,与研究药物无关。最经常发生的AE是应用部位AE,头痛和流感样疾病,都是轻度或中度的,并且是自限性的。

综上所述,该研究结果表明,对轻度至中度AD患者,每天两次局部给药Omiganan,长达28天,可恢复失调的菌群,但并不会改善临床症状。因此,选择性地针对微生物组的单一治疗似乎不是轻度至中度AD的成功治疗策略。

原始出处:

Tessa Niemeyer-van der Kolk, et al., Topical antimicrobial peptide omiganan recovers cutaneous dysbiosis but does not improve clinical symptoms in patients with mild to moderate atopic dermatitis in a phase 2 randomized controlled trial. J Am Acad Dermatol. 2022 Apr;86(4):854-862. doi: 10.1016/j.jaad.2020.08.132.  

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    2022-09-10 lishizhe
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    2022-08-07 AspirantSuo
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    2022-05-20 weigq

    奥密克戎?

    0

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    2022-05-12 yibei

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