Nat Med:新型人血吸虫感染模型为治疗和预防血吸虫病的快速药物开发铺平了道路

2020-10-04 MedSci原创 MedSci原创

血吸虫病的治疗依赖于使用单一的药物吡喹酮,但这不足以控制高度流行地区的传播。迫切需要新的药物和疫苗。血吸虫病的实验性人体模型可以加速这些产品的开发。

血吸虫病的治疗依赖于使用单一的药物吡喹酮,但这不足以控制高度流行地区的传播。迫切需要新的药物和疫苗。血吸虫病的实验性人体模型可以加速这些产品的开发。

研究人员在荷兰莱顿大学医学中心对17名志愿者进行了一项剂量递增的临床安全性试验,试验对象为雄性人血吸虫cercaria,不产卵。主要终点是不良事件和感染

 

结果显示,与急性血吸虫病综合征相关的不良事件出现了剂量相关的增加,17名志愿者中有9名志愿者出现了这种情况。具体来说,5名志愿者(高剂量组的3名志愿者和中剂量组的11名志愿者中的2名)报告了严重的不良事件。虫源性循环阳性抗原是主要感染终点的生物标志物,82%的志愿者在暴露后3-10周达到峰值。所有志愿者都出现IgM和IgG1血清转换,CD4+T细胞产生虫特异性细胞因子。所有志愿者在吡喹酮治疗后12周后痊愈。20名血吸虫脑膜炎导致18%的志愿者发生严重不良事件,感染率高。

 

总之,这种感染模型为治疗和预防血吸虫病的快速药物开发铺平了道路。

 

原始出处:

 

Marijke C C LangenbergMarie-Astrid Hoogerwerf, et al., A controlled human Schistosoma mansoni infection model to advance novel drugs, vaccines and diagnostics. Nat Med. 2020 Mar;26(3):326-332. doi: 10.1038/s41591-020-0759-x. 

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    2020-11-10 liye789132251
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    2020-10-06 ylz8404
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    2020-10-06 bugit
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    2020-10-04 CHANGE

    梅斯里提供了很多疾病的模型计算公式,赞一个!

    0

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