伯氨喹-亚甲蓝阻断疟疾的传播

2018-02-24 MedSci MedSci原创

近日,一个国际研究小组表示,两种不同的化合物,一种是经典的抗疟疾药物(伯氨喹),另一种是已知具有抗疟性质的常见实验室染料(亚甲蓝),可以加入到现有抗疟疗法中,均能安全有效地阻止常见形式的疟疾在非洲的传播。这一发现可能有助于减少恶性疟原虫包括其耐药形式的疟疾的传播,从而控制疾病的进展。

近日,一个国际研究小组表示,两种不同的化合物,一种是经典的抗疟疾药物(伯氨喹),另一种是已知具有抗疟性质的常见实验室染料(亚甲蓝),可以加入到现有抗疟疗法中,均能安全有效地阻止常见形式的疟疾在非洲的传播。这一发现可能有助于减少恶性疟原虫包括其耐药形式的疟疾的传播,从而控制疾病的进展。

研究人员发现,将这两种化合物加入到不同的抗疟疾治疗方案中,它们均能阻止恶性疟原虫的配子母细胞从受感染的人类向蚊子体内的传播。荷兰Radboud健康科学研究所副教授Teun Bousema称,“我们发现,将这两种药物中的任意一种加入到现有的抗疟药物中,可确保患者不再将疾病传播给蚊子,这一发现是令人振奋的”。

研究人员进行了一项II临床试验,以比较这两种化合物在阻止配子传播方面的疗效,他们发现在磺胺多辛 - 乙胺嘧啶和阿莫地喹治疗中加入单剂量的伯氨喹或在双氢青蒿素 - 哌喹治疗中加入三个剂量的亚甲蓝能够在48小时内几乎完全阻断恶性疟原虫配子的传播。 

原始出处:

https://www.europeanpharmaceuticalreview.com/news/72581/primaquine-methylene-blocks-malaria/

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

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