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  • Title: Effect of simultaneous and/or consecutive administration of the broad spectrum anthelmintic flubendazole together with praziquantel in experimental Schistosoma mansoni infection.
    Author: William S, Guirguis F, Nessim NG.
    Journal: Arzneimittelforschung; 2003; 53(7):532-7. PubMed ID: 12918221.
    Abstract:
    This study is a trial to demonstrate the effect of the broad spectrum anthelmintic drug flubendazole (methyl 5-(p-fluoro-benzoyl)-2-benzimidazolecarbamate, CAS 31430-15-6), a mebendazole derivative, together with praziquantel (CAS 55268-74-1, EMBAY 8440, Biltricide) in murine schistosomiasis mansoni. Moreover, the relationship between the posttreatment worm burden, oogram pattern, tissue egg load and hepatic granuloma volume was also investigated. Three main groups of Swiss albino mice infected with Schistosoma mansoni cercariae were used in the experiment. Group I included infected untreated control mice. Group II: Subgroup II (a): Animals received 1/3 the dose of praziquantel 25 days post infection. Subgroup II (b): Mice were given 1/3 dose of flubendazole 25 days post infection. Subgroup II (c): Animals received the combination (1/3 dose of flubendazole + 1/3 the dose of praziquantel 25 days post infection. Group III: Subgroup III (a): Mice were given 1/3 the dose of praziquantel 7 weeks post infection. Subgroup III (b): Mice received 1/3 dose of flubendazole 25 days post infection. 24 days later, 1/3 the dose of praziquantel was given. Mice given the consecutive drug regimen (flubendazole 1/3 single oral dose 25 days post infection, then praziquantel 1/3 oral dose for two successive days 24 days later, revealed a significant reduction in the recovery of adult schistosomes after portal perfusion (95.9%), absence of immature stages of ova development, a higher level of dead ova in the oogram and the smallest granuloma mean diameter. These data were less conspicuous in mice given the simultaneous drug regimen.
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