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Production rates of cortisol in men with hypogonadism

Authors
Journal
Metabolism
0026-0495
Publisher
Elsevier
Publication Date
Volume
53
Issue
9
Identifiers
DOI: 10.1016/j.metabol.2004.02.021

Abstract

Abstract Healthy men have a larger endogenous cortisol production rate (PR) than healthy women. To investigate whether this sex-specific difference is maintained in men with low serum testosterone concentrations the endogenous PRs (2 pm to 6 pm) of testosterone, dihydrotestosterone (DHT), and cortisol were simultaneously determined in 10 hypogonadal men. As expected, hypogonadal men were characterized by subnormal PRs of testosterone (19.6 ± 5.7 μg/h; normal, 180 to 346 μg/h) and of DHT (1.6 ± 1.1 μg/h; normal, 11 to 20 μg/h). In hypogonadal patients with an intact pituitary-adrenal axis (n = 8), plasma concentrations (7.3 ± 1.8 μg/dL), metabolic clearance rates (MCRs) (10.0 ± 4.6 L/h), and endogenous PRs (0.6 ± 0.2 mg/h) of cortisol were comparable to those seen in eugonadal men. Hence, the sex-specific difference in endogenous cortisol PRs does not depend on the prevailing serum concentrations and on the endogenous PRs of testosterone.

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