Abstract
The effect of synthetic corticosteroids given intratracheally or orally on the adrenal glands of beagle dogs was investigated. The adrenal function was evaluated using a standardized ACTH stimulation test. In addition, histological and morphometrical examinations of the adrenal cortex were performed at the end of the study.
Beclomethasone dipropionate given intratracheally at daily dose levels of 0.05, 0.1 and 0.5 mg/kg body weight led to a dose dependent adrenal suppression on the basis of plasma Cortisol concentration and eosinophil counts after ACTH stimulation and size of zona fasciculata and reticularis. A complete adrenal suppression was observed at the highest dose level of 0.5 mg/kg body weight. Also the oral administration of 0.1 mg/kg body weight/day of beclomethasone dipropionate had a definite adrenal suppressive effect comparable to that of 0.1 mg/kg body weight given intratracheally. However, intratracheal administration of fluocortin butylester, a local antiinflammatory drug but systemically a nearly ineffective corticosteroid (2 × 8 mg/kg body weight/day) had no suppressive effect on the adrenal gland of the beagle dog, even after a 320 times higher dose.
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References
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© 1979 Springer-Verlag
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Bhargava, A.S., Staben, P., Siegmund, F., Schöbel, C., Günzel, P. (1979). Effect of Intratracheal and Oral Application of Corticosteroids on the Adrenal Function Test in Beagle Dogs After ACTH-Stimulation. In: Chambers, P.L., Günzel, P. (eds) Mechanism of Toxic Action on Some Target Organs. Archives of Toxicology, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-67265-1_50
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DOI: https://doi.org/10.1007/978-3-642-67265-1_50
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