Influence of naltrexone administration on dehydroepiandrosterone sulfate levels in male and female participants

Natalie A. Ceballos, Christopher R. France, Mustafa al'Absi

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Dehydroepiandrosterone sulfate (DHEAS) is an excitatory neurosteroid with anti-glucocorticoid properties. Endogenous opioid system blockade is known to activate the hypothalamic-pituitary-adrenal axis and other hormonal systems. However, the literature is sparse regarding the extent to which this blockade acutely influences DHEAS activity. Further, the stability of DHEAS concentrations across short term laboratory studies is not well established. The current study examined these issues in human participants. Using a double-blind, counterbalanced design, 50 mg of naltrexone and placebo were administered. Repeated salivary samples were then obtained over a 3 h period while participants completed a nociceptive testing paradigm. DHEAS and cortisol concentrations were determined. Naltrexone administration was associated with an increase in cortisol concentrations; however, DHEAS was unaffected by naltrexone and did not vary across the course of the study. This finding is an important contribution to the methodological literature, and may be used to verify the stability of DHEAS for future investigations.

Original languageEnglish (US)
Pages (from-to)414-416
Number of pages3
JournalBiological Psychology
Volume74
Issue number3
DOIs
StatePublished - Mar 1 2007

Keywords

  • Dehydroepiandrosterone sulfate
  • Endogenous opioid system
  • Naltrexone

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