Brief Report: Low-Dose Hydrocortisone Has Acute Enhancing Effects on Verbal Learning in HIV-Infected Men

Leah Rubin, K. Luan Phan, Sheila M. Keating, Kathleen M. Weber, Pauline M. Maki

Research output: Contribution to journalArticle

Abstract

Objective: Glucocorticoids are released in response to stress and alter cognition and brain function through both rapid nongenomic and slow genomic mechanisms. Administration of glucocorticoids in the form of hydrocortisone enhances aspects of learning and memory in individuals with PTSD but impairs these abilities in healthy individuals. We examine the time-dependent effects of glucocorticoids on cognition in HIV-infected men. Methods: In a double-blind placebo-controlled crossover study, we examined the time-dependent effects of a single low dose of hydrocortisone [10 mg; low-dose hydrocortisone (LDH)] on cognition in 45 HIV-infected men. Participants were randomized to receive either LDH or placebo and one month later, were given the opposite treatment. At each intervention session, cognition was assessed 30 minutes (assessing nongenomic effects) and 4 hours (assessing genomic effects) after pill administration. Self-reported stress/anxiety and cortisol/cytokines in saliva were measured throughout each session. Results: Compared with placebo, LDH doubled salivary cortisol levels. Cortisol returned to baseline 4 hours postadministration. At the 30-minute assessment, LDH enhanced verbal learning compared with placebo. Greater increases in cortisol were associated with greater enhancements in verbal learning. LDH did not affect subjective stress/anxiety or any other cognitive outcomes at the 30-minute or 4-hour time point. Conclusions: The rapid effects of LDH on verbal learning suggests a nongenomic mechanism by which glucocorticoids can enhance cognition in HIV-infected men. The nonenduring nature of this enhancement may limit its clinical utility but provides insight into mechanisms underlying the effects of acute glucocorticoids on learning.

Original languageEnglish (US)
Pages (from-to)e65-e70
JournalJournal of Acquired Immune Deficiency Syndromes
Volume75
Issue number3
DOIs
StatePublished - Jul 1 2017
Externally publishedYes

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Verbal Learning
Hydrocortisone
HIV
Cognition
Glucocorticoids
Placebos
Anxiety
Learning
Aptitude
Post-Traumatic Stress Disorders
Saliva
Cross-Over Studies

Keywords

  • cognition
  • HIV
  • hydrocortisone
  • men

ASJC Scopus subject areas

  • Infectious Diseases
  • Pharmacology (medical)

Cite this

Brief Report : Low-Dose Hydrocortisone Has Acute Enhancing Effects on Verbal Learning in HIV-Infected Men. / Rubin, Leah; Phan, K. Luan; Keating, Sheila M.; Weber, Kathleen M.; Maki, Pauline M.

In: Journal of Acquired Immune Deficiency Syndromes, Vol. 75, No. 3, 01.07.2017, p. e65-e70.

Research output: Contribution to journalArticle

Rubin, Leah ; Phan, K. Luan ; Keating, Sheila M. ; Weber, Kathleen M. ; Maki, Pauline M. / Brief Report : Low-Dose Hydrocortisone Has Acute Enhancing Effects on Verbal Learning in HIV-Infected Men. In: Journal of Acquired Immune Deficiency Syndromes. 2017 ; Vol. 75, No. 3. pp. e65-e70.
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