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Anthelmintic activity of artesunate against Fasciola hepatica in naturally infected sheep

Keiser, Jennifer and Veneziano, Vincenzo and Rinaldi, Laura and Mezzino, Laura and Duthaler, Urs and Cringoli, Giuseppe. (2010) Anthelmintic activity of artesunate against Fasciola hepatica in naturally infected sheep. Research in Veterinary Science, Vol. 88, H. 1. S. 107-110.

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Official URL: http://edoc.unibas.ch/dok/A5842812

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Abstract

In light of rapidly spreading triclabendazole resistance alternative fasciocidal drugs are urgently needed. Following up on promising results obtained with artemether in Fasciola hepatica infected sheep, we here report the efficacy and safety of artesunate in sheep with a natural F. hepatica infection. Artesunate was administered intravenously and intramuscularly, adverse events were monitored and drug efficacy was elucidated by means of faecal egg and worm burden reductions. A single 40mg/kg intravenous dose of artesunate induced an egg count reduction of 68.9% and a worm burden reduction of 77.4%. Intramuscular artesunate at 40mg/kg reduced faecal egg count and worm burden by 97.6% and 91.9%, respectively; whereas at 60mg/kg it caused 93.2% and 87.1% reduction in faecal egg count and worm burden, respectively. Three sheep died 24-72h post-treatment with a double dose of 40mg/kg intramuscular artesunate, showing lethargy, sialorrhoea, reduced rumination and tremors. Egg and worm burden reductions of 93.3% and 83.9%, respectively, were calculated in the three surviving sheep. In conclusion, the interesting fasciocidal properties of artesunate in sheep warrant further investigations with an emphasis on toxicity studies
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Medical Parasitology and Infection Biology > Helminth Drug Development (Keiser)
UniBasel Contributors:Keiser, Jennifer and Duthaler, Urs
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:British Veterinary Association
ISSN:0034-5288
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:24 May 2013 09:10
Deposited On:08 Jun 2012 06:52

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