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Related Experiment Videos

[Teratogenicity study on bromperidol in rats].

S Imai, K Tauchi, K J Huang

    The Journal of Toxicological Sciences
    |June 1, 1984
    PubMed
    Summary

    Bromperidol, a neuroleptic, caused dose-dependent growth retardation in rat fetuses, including reduced weight and delayed ossification. However, no teratogenic abnormalities or long-term effects on offspring behavior were observed.

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    Area of Science:

    • Reproductive toxicology
    • Developmental toxicology
    • Neuropharmacology

    Context:

    • Assessing the safety of neuroleptic drugs during pregnancy is crucial.
    • Bromperidol is a neuroleptic agent with limited developmental toxicity data.
    • Rodent models are standard for evaluating drug safety in reproduction.

    Purpose:

    • To evaluate the teratogenic potential and developmental effects of bromperidol in Wistar-Imamichi rats.
    • To determine dose-dependent effects on maternal health and fetal development.
    • To assess the impact on postnatal development and offspring function.

    Summary:

    • Bromperidol administration to pregnant rats from day 7 to 17 of gestation resulted in maternal sedation, decreased body weight, and reduced intake at higher doses (1.5 and 10.0 mg/kg/day).
    • The 10.0 mg/kg/day dose group exhibited significant F1 generation effects, including reduced fetal weight, delayed ossification of metacarpals and metatarsals, decreased viability, delayed eyelid opening, reduced growth rate, and lower organ weights.
    • No treatment-related external or internal fetal abnormalities were detected, and offspring demonstrated no apparent effects on behavior, learning, or reproductive function.

    Impact:

    • This study provides critical data on the developmental safety profile of bromperidol.
    • Findings suggest potential risks of growth retardation with high-dose bromperidol exposure during gestation.
    • The absence of teratogenic effects and long-term functional deficits indicates a potentially favorable safety margin for certain developmental endpoints.

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