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Ribavirin

利巴韋林

Mechanism of action:

Ribavirin 是一種鳥苷(guanosine)類似物。Ribavirin 單磷酸型可抑制肌苷-5’-單磷酸脫氫酶(inosine-5’-monophosphate dehydrogenase)的酵素活性,使細胞內 GTP 濃度下降,進而限制 RNA 病毒進行 RNA 合成所需的原料。Ribavirin 三磷酸型可被病毒的 RNA 聚合酶誤認,並納入病毒 RNA,導致錯誤配對、突變率上升等問題。

​Reference(s):

1. Sidwell RW et al. (2005). In vitro and in vivo influenza virus-inhibitory effects of viramidine. Antiviral Res. 


2. Sidwell RW et al. (1972). Broad-spectrum antiviral activity of Virazole: 1-beta-D-ribofuranosyl-1,2,4-triazole-3-carboxamide. Science. 


3. Alvarez D et al. (2006). Zidovudine use but not weight-based ribavirin dosing impacts anaemia during HCV treatment in HIV-infected persons. J Viral Hepat.

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