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诺华与盖茨基金会组成联盟开发隐孢子虫病药物

2018-02-25 MedSci MedSci原创

诺华与比尔&梅林达盖茨基金会已组成联盟,推动诺华制药候选化合物KDU731用于治疗隐孢子虫病。

诺华与比尔&梅林达盖茨基金会已组成联盟,推动诺华制药候选化合物KDU731用于治疗隐孢子虫病。

腹泻是全球儿童死亡的主要原因之一,每年约有525,000人死亡,隐孢子虫病是2岁以下儿童感染性腹泻的第二大原因。隐孢子虫病(Cryptosporidiosis)是由单细胞寄生虫隐孢子虫(Cryptosporidium)造成的脊椎动物肠道疾病,是导致人腹泻的主要原因之一。这是一类通过粪口途径传播的疾病,病原体通常寄生在小肠上皮细胞的带虫空泡内。免疫缺陷患者(如艾滋病病人)经常患有此类并发症,由于免疫功能的不完善,寄生虫还可能会进入病人的肝、肺、胰和胆囊等器官,造成更为严重的病理反应。隐孢子虫病是一种水源性疾病(waterborne disease),病原体在水中以卵囊(oocyte)形式存在并得以传播,对水中环境有较好的耐受性,因此饮用不洁净的水成为该病的主要患病原因。

对于隐孢子虫病急需新型的有效疗法,特别是在易感人群中。KDU731是一种隐孢子虫脂质激酶PI K(磷脂酰肌醇-4-OH激酶)抑制剂,已在临床前模型中被证明可有效治疗隐孢子虫感染,目前正在开展临床试验前的安全性研究。

原始出处:

https://www.europeanpharmaceuticalreview.com/news/72818/novartis-medicines-cryptosporidiosis/

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    2018-02-27 zexyw04
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    2018-02-27 121832a9m88暂无昵称

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JID:新型钙离子依赖的蛋白激酶抑制剂可有效治疗隐孢子虫病

隐孢子虫病会使免疫功能正常的个体发生自限性、急性腹泻,也是引起免疫功能不良患者出现危及生命的慢性腹泻病的主要病因。当感染营养不良的儿童时,还能引起持久的腹泻,并伴发育障碍短小症。有数据显示,在患有艾滋病和持续腹泻的患者中,有16%的个体中存在隐孢子虫感染。【原文下载】 然而,隐孢子虫病的治疗一直不令人满意。虽然有某些药物能够缩短免疫正常个体中的感染时间,但还没有药物能够可靠地清除免疫能力低下患者

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