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Related Experiment Videos

Griseofulvin: a teratogenic study.

M F Klein, J R Beall

    Science (New York, N.Y.)
    |March 31, 1972
    PubMed
    Summary
    This summary is machine-generated.

    High doses of griseofulvin, an antifungal medication, given to pregnant rats during development caused reduced survival and malformations in offspring. These findings highlight potential risks of griseofulvin teratogenicity.

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    Area of Science:

    • Pharmacology
    • Toxicology
    • Developmental Biology

    Background:

    • Griseofulvin is an antifungal drug used to treat fungal infections.
    • Understanding the safety profile of medications during pregnancy is crucial.

    Purpose of the Study:

    • To investigate the potential teratogenic effects of griseofulvin in pregnant rats.
    • To evaluate the impact of high-dose griseofulvin exposure on offspring development.

    Main Methods:

    • Pregnant rats were administered oral doses of griseofulvin ranging from 125 to 1500 mg/kg/day during organogenesis.
    • Offspring were evaluated for survival rates and malformations.

    Main Results:

    • Dams treated with high doses (63 and 75 times human therapeutic dose) exhibited decreased offspring survival.

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  • A significant syndrome of malformations was observed in the offspring exposed to the highest griseofulvin doses.

    • Conclusions:

    • Griseofulvin, at doses significantly exceeding therapeutic levels, can induce adverse developmental outcomes in rats.
    • These findings suggest a potential teratogenic risk associated with high griseofulvin exposure during pregnancy.