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  • Title: Missing effect of etomidate on testosterone secretion in man.
    Author: Allolio B, Stuttmann R, Winkelmann W.
    Journal: Klin Wochenschr; 1986 Jan 15; 64(2):86-8. PubMed ID: 3005757.
    Abstract:
    We studied the effect of low dosage (0.26 mg/kg as a single induction dose) and high dosage (30 mg/h for long term sedation) etomidate on serum testosterone and serum luteinizing hormone (LH) concentrations in males. During high dose etomidate we found inhibition of both 11 beta-hydroxylase and cholesterol-side-chain cleavage enzyme with unresponsiveness of progesterone, 17 alpha OH-progesterone and 11-deoxycortisol to stimulation with ACTH. However, neither high dosage nor low dosage etomidate had any influence on serum testosterone or LH concentrations. We conclude that, in contrast to other substituted imidazole derivatives, etomidate does not interfere with testicular testosterone synthesis. It therefore may be possible to find clinically useful imidazole derivatives with endocrine actions confined to either the adrenals or the testes.
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