Cited by 42Schizophrenia research and treatmentStress Responses and CortisolTryptophan and brain disorders

Effects of antipsychotics on cortisol, interleukin-6 and hippocampal perfusion in healthy volunteers

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Handley, Rowena, Mondelli, Valeria, Zelaya, Fernando, Marques, Tiago, Taylor, Heather, Reinders, Antje A.T.S., Chaddock, Christopher, McQueen, Grant +6 more·2016·Schizophrenia Research

Abstract

This randomized within-subject, double blind study aimed to compare the effects of a single dose of two different antipsychotics (haloperidol and aripiprazole) on cortisol, interleukin (IL)-6 and hippocampal regional Cerebral Blood Flow (rCBF) in the same 17 healthy male individuals. Subjects received a single dose of haloperidol (3mg), aripiprazole (10mg) and placebo, in a randomized order on three study appointments. We measured salivary cortisol levels at multiple time points, IL-6 levels from plasma samples, and resting cerebral blood flow (rCBF), using a pulsed continuous arterial spin labeling (pCASL) sequence (1.5T). We found significantly lower cortisol levels in the haloperidol condition (F(2,32)=5.78, p=0.007), than in either placebo (p=0.013; CI=0.45, 0.406) or aripiprazole (p=0.037; CI=-0.520, -0.014). Interleukin-6 levels were also lower following haloperidol (F(2,22)=4.19, p=0.048) in comparison with placebo (p=0.02; CI=0.14, 1.8), but not with aripiprazole. Finally, we found a greater rCBF in the right (peak voxel: T=6.47, p<0.0001) and left (peak voxel T=5.17, p<0.01) hippocampus following haloperidol compared with placebo, and at trend level also in the left hippocampus following aripiprazole compared with placebo (T=4.07, p=0.057). These differences in hippocampal rCBF after both antipsychotics were no longer evident (haloperidol) or present at trend level (aripiprazole), after controlling for cortisol and IL-6 levels. Our findings suggest that haloperidol can directly regulate the hypothalamic-pituitary-adrenal (HPA) axis and immune system through a pharmacological action via D2 receptor antagonism. Finally, our data suggest that the increased hippocampal rCBF is a manifestation of the reduction in IL-6 and cortisol which follows the administration of haloperidol.

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Crossref · 10.1016/j.schres.2016.03.039

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Authors
Handley, R., Mondelli, V., Zelaya, F., Marques, T., Taylor, H., Reinders, A. A. T. S., Chaddock, C., McQueen, G., Hubbard, K., Papadopoulos, A., Williams, S., McGuire, P., Pariante, C., & Dazzan, P.
Affiliations
King's College London (GB)
Corresponding author
Mondelli, Valeria
Venue
Schizophrenia Research
Publisher
Elsevier BV
Published
2016-07
Volume
174
Issue
1-3
Pages
99-105
ISSN
0920-9964 (ISSN-L)
OpenAlex
W2340020194
Cited by
42
References
54
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 2 · 2022: 4 · 2021: 5 · 2020: 7 · 2019: 3 · 2018: 8 · 2017: 4 · 2016: 2
FWCI
5.04
Type
journal article
Language
en
Open access
Locations
  • Schizophrenia Research (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion, other-oa)
  • Spiral (Imperial College London) (submittedVersion, other-oa)
Funders
  • South London and Maudsley NHS Foundation Trust
  • King's College London
  • Netherlands Organization for Scientific Research (451–07-009, 451-07-009)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
antipsychotic drugs, haloperidol
MeSH terms
Aripiprazole, Adolescent, Adult, Cerebrovascular Circulation, Double-Blind Method, Haloperidol, Hippocampus, Humans, Hydrocortisone, Male, Rest, Saliva, Spin Labels, Antipsychotic Agents, Interleukin-6, Cross-Over Studies, Young Adult

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