Abstract

The purpose of the present study was to gain a better insight in the mechanism of naloxone underlying the regulation of adrenal cortisol secretion in humans in vivo; therefore, the stimulatory effect of naloxone on cortisol secretion was assessed in a group of patients with hypothalamo-pituitary disconnection. Patients with hypothalamo-pituitary disconnection because of various pathologies (craniopharingioma, cordoma, suprasellar meningioma, or pituitary macroadenoma) participated in the study. Results Circulating cortisol, but not adrenocorticotropin (ACTH) levels were significantly higher after naloxone administration than after saline. Conclusion Besides the well-known hypothalamo-pituitary stimulatory action on ACTH release in normal humans, the results of the present study suggest that naloxone exerts direct effects on cortisol secretion at the adrenal gland level; another possibility is that naloxone stimulation of cortisol secretion is mediated by other factor than ACTH.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.