Toxicity and teratogenicity evaluation of fenproporex in mice fetuses descending from parents that were exposed to this drug during intrauterine life
DOI:
https://doi.org/10.5433/1679-0367.2007v28n2p73Keywords:
Fenproporex, Embryo-fetal development, Toxicity, Teratogenicity 2nd generation.Abstract
Fenproporex is an anorectic drug that is transformed into amphetamine in the organism. The use of amphetaminic compounds during pregnancy increases the risk of exencephaly, cleft palate and cardiac malformations. The aim of this study was to evaluate embryo-fetal development, embryotoxicity and possible teratogenic effects in mice fetuses descending from parents that were exposed to fenproporex duringintra-uterine development. Pregnant females were treated daily, by gavage, with 15 mg/kg of fenproporex during all the gestation. When the off springs reached the adult age, they were mated with integral mice, obtaining the2nd generation. On the 18th gestational day, female mice were killed. It was observed that fenproporex did not alter significantly placent weight, fetuses length, rate of postimplantation loss, visceral and skeletal analysis. This may have occurred due to the decrease of the amphetamine effects on the 2nd generation. However, there was statistically significant difference in relation to the fetuses weight. The reduction of fetal weight is used as parameter to evidence toxic effects of asubstance. Therefore, the results suggest that fenproporex presented fetaltoxicity in the tested experimental conditions.
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