Preventive effect of artemether in experimental animals infected with Schistosoma mansoni

The effect of artemether, an antimalarial drug developed from the plant Artemisia annua, has been tested against the larval stages of Schistosoma mansoni covering the time from skin penetration to the early adult liver-stage. The results show that the experimental animals used (hamster and mice) do...

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Bibliographic Details
Published in:Parasitology international 2000-03, Vol.49 (1), p.19-24
Main Authors: Shuhua, Xiao, Chollet, Jacques, Weiss, Niklaus A., Bergquist, Robert N., Tanner, Marcel
Format: Article
Language:English
Subjects:
Animals
Artemether
Artemisinins
Chemotherapy
Cricetinae
Female
Intestines - parasitology
Liver - parasitology
Male
Mesenteric Veins - parasitology
Mice
Prevention
Schistosoma mansoni
Schistosoma mansoni - drug effects
Schistosomiasis
Schistosomiasis mansoni - parasitology
Schistosomiasis mansoni - prevention & control
Schistosomicides - administration & dosage
Schistosomicides - therapeutic use
Schistosomulum
Sesquiterpenes - administration & dosage
Sesquiterpenes - therapeutic use
Time Factors
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Summary:The effect of artemether, an antimalarial drug developed from the plant Artemisia annua, has been tested against the larval stages of Schistosoma mansoni covering the time from skin penetration to the early adult liver-stage. The results show that the experimental animals used (hamster and mice) do not develop schistosomiasis mansoni if treated with artemether during the first month after infection. The parasite was found to be especially susceptible between the 3rd and 4th week after infection, resulting in worm reductions of 75.3–82.0% compared to non-treated controls. This level was boosted to 97.2–100% when the animals were subjected to various schedules of repeated treatment. Almost complete protection was also reached in parallel experiments with repeated infections carried out to mirror more closely the real situation of trickle infection.
ISSN:1383-5769
1873-0329
DOI:10.1016/S1383-5769(00)00028-3