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DOI: 10.1055/s-0028-1095096
© Georg Thieme Verlag KG Stuttgart · New York
Dose-Response Comparsion Between Dexamethasone and 16-Methylene-6-Dehydrocortisol in the Short-Term Suppression Test
Publikationsverlauf
Publikationsdatum:
08. Januar 2009 (online)

Abstract
In 24 healthy subjects a short-term suppression test was performed with 16-methylene-6-dehydrocortisol and, after an interval of at least 7 days, in 18 of these subjects with 0.5 to 3.0 mg of dexamethasone. The mean dose-response equivalent of dexamethasone : 16-methylene-6-dehydrocortisol was 1 : 22. Contrary to single administration of 3.0 mg of dexamethasone, 30 mg of 16-methylene-6-dehydrocortisol did not lead to complete suppression of the glucocorticoid function of the adrenal cortex. The fasting value of plasma Cortisol obtained after suppression is determined by the initial value and by the corticoid dose administered. Not more than a slight increase in suppression could be obtained by doses higher than, for instance, 1.5 mg of dexamethasone and 15 mg of 16-methylene-6-dehydrocortisol in healthy persons.
Key words
ACTH Suppression - Comparison of Dexamethasone and 16-Methylene-6-Dehydrocortisol