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The efficacy of antihelminthic compound; Clorsulon against experimental Schistosoma mansoni infection.

Abstract
The efficacy of Clorsulon (CLS) against experimental schistosomiasis mansoni, using Praziquantel (PZQ) as a therapeutic control was evaluated. Swiss Albino mice were divided into infected non-treated control, PZQ-treated group given a single dose of 500 mg/kg four weeks post infection (PI), and infected mice treated with single, double, and triple doses of 5 mg/kg CLS per dose, one week apart starting from the 4th week PI. All animals were perfused for adults count. Parts of livers and intestines were examined for granulomata number and sizes. Pathological changes in hepatic parenchyma by H&E and Masson trichrome stains were also examined. Results revealed that a single treatment with PZQ caused a significant percentage reduction (%R) of worm load (92.68%), mean egg count in liver and intestine (91.20 & 94.01% respectively), and mean size of liver granulomata was reduced (92.06%). Regarding CLS, the worm burden was reduced proportionally with number of doses given; 87.80, 96.34 & 97.56% in single, double and triple exposures successively. Egg count in liver was decreased by 85.90, 97.01 & 96.23% respectively in treated mice. Number of intestinal granulomata was decreased by 85.28, 94.24 & 95.49% in a similar way. Size of hepatic granulomata was decreased by 89.02, 94.51 & 95.05% by 1, 2 & 3 doses consecutively. All parameters reflected non significant difference between 2 & 3 dose of CLS. The results were critically discussed.
AuthorsShereen F Mossallam, Safia M Ali, Lobna A El Zawawy, Doaa E Said
JournalJournal of the Egyptian Society of Parasitology (J Egypt Soc Parasitol) Vol. 37 Issue 1 Pg. 171-88 (Apr 2007) ISSN: 1110-0583 [Print] Egypt
PMID17580576 (Publication Type: Journal Article)
Chemical References
  • Anthelmintics
  • Sulfanilamides
  • clorsulon
Topics
  • Animals
  • Anthelmintics (therapeutic use)
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Humans
  • Mice
  • Organ Size
  • Organ Specificity
  • Parasite Egg Count
  • Random Allocation
  • Schistosoma mansoni (drug effects)
  • Schistosomiasis mansoni (drug therapy)
  • Sulfanilamides (therapeutic use)
  • Treatment Outcome

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