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. 2000 Jul;46(1):57-60.
doi: 10.1093/jac/46.1.57.

Efficacy of nitazoxanide, tizoxanide and tizoxanide glucuronide against Cryptosporidium parvum development in sporozoite-infected HCT-8 enterocytic cells

G Gargala  1 , A Delaunay, X Li, P Brasseur, L Favennec, J J Ballet
Affiliations

Efficacy of nitazoxanide, tizoxanide and tizoxanide glucuronide against Cryptosporidium parvum development in sporozoite-infected HCT-8 enterocytic cells

G Gargala et al. J Antimicrob Chemother. 2000 Jul.

Abstract

The effects of nitazoxanide and its metabolites, tizoxanide and tizoxanide glucuronide, on the development of the asexual and sexual stages of Cryptosporidium parvum in differentiated human enterocytic HCT-8 cells were evaluated in a quantitative alkaline phosphatase immunoassay. Nitazoxanide, tizoxanide and tizoxanide glucuronide were inhibitory for up to 46 h when added after sporozoite invasion (MIC50 1.2, 22.6 and 2.2 mg/L, respectively). Tizoxanide had only limited activity, but nitazoxanide and tizoxanide glucuronide strongly inhibited asexual and sexual stages, respectively.

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