Antischistosomal activity of acridanone-hydrazones in Cebus monkeys experimentally infected with the SJ strain of Schistosoma mansoni

In this study, four compounds were utilized at the dose of 12.5 mg/kg body weight, p.o., to treat Cebus monkeys experimentally infected with about 200 cercariae of Schistosoma mansoni (SJ strain), via transcutaneous route. The oograms performed with rectal snips, as well as stool examinations carrie...

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Bibliographic Details
Published in:Revista da Sociedade Brasileira de Medicina Tropical 1995-09, Vol.28 (3), p.179-183
Main Authors: Coelho, P M, Pereira, L H, de Mello, R T
Format: Article
Language:English
Subjects:
Acridanona-hidrazonas
Acridanone-hydrazone
Acridines - therapeutic use
Animals
Body weight
Cebus
Cebus monkeys
Female
Hydrazones - therapeutic use
Macacos Cebus
Male
Parasites
Schistosoma mansoni
Schistosomiasis mansoni - drug therapy
Schistosomicides - therapeutic use
TROPICAL MEDICINE
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Summary:In this study, four compounds were utilized at the dose of 12.5 mg/kg body weight, p.o., to treat Cebus monkeys experimentally infected with about 200 cercariae of Schistosoma mansoni (SJ strain), via transcutaneous route. The oograms performed with rectal snips, as well as stool examinations carried out periodically, showed no viable eggs of the parasite, from day 29 to 226 post-treatment. The perfusion undertaken after killing the animals showed absence of worms in the treated monkeys, whereas 83 worms were recovered from the control, thus corroborating the results obtained by means of oograms and coproscopy. These results confirm the efficacy of 9-acridanone-hydrazones previously tested against the LE strain of S. mansoni. The low curative dose and apparent absence of toxicity render these drugs an important therapeutic reserve, taking into consideration the reports on the resistance of S. mansoni to the modern drugs oxamniquine and praziquantel.
ISSN:0037-8682
1678-9849
0037-8682
1678-9849
DOI:10.1590/s0037-86821995000300003