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Comparison of cortisol levels in patients with schizophrenia and in healthy controls

Published online by Cambridge University Press:  23 March 2020

K.M. Wilczyński ,
D. Tobolska ,
M. Lorek ,
E. Mazgaj ,
A. Gawlik  and
K. Krysta
K.M. Wilczyński
Affiliation:
Medical University of Silesia, Department of Rehabilitation Psychiatry, Katowice, Poland
D. Tobolska
Affiliation:
Medical University of Silesia, Department of Rehabilitation Psychiatry, Katowice, Poland
M. Lorek
Affiliation:
Medical University of Silesia, Department of Rehabilitation Psychiatry, Katowice, Poland
E. Mazgaj
Affiliation:
Medical University of Silesia, Department of Rehabilitation Psychiatry, Katowice, Poland
A. Gawlik
Affiliation:
Medical University of Silesia, Department of Pediatrics- Pediatric Endocrinology and Diabetes, Katowice, Poland
K. Krysta
Affiliation:
Medical University of Silesia, Department of Rehabilitation Psychiatry, Katowice, Poland

Abstract

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Introduction

The hypothalamus-pituitary-adrenal axis (HPAA) plays a pivotal role in response to a range of external and internal factors often described as “stress”. Growing evidence in a literature, suggest various dysregulations of HPAA, in course of numerous mental disorders. Patients with schizophrenia and bipolar disorder seem to have elevated basal cortisol secretion, what might be caused by the diminution of glucocorticoid receptors’ amount. It was of the interest if the cortisol concentration in patients, with diagnosed schizophrenia, differs from healthy individuals.

Materials and methods

Two groups of participants were included into the study. First group (study) consisted of 10 patients with diagnosed schizophrenia and control group which included 38 healthy individuals. Study was divided into two stages, first one (pilot) included only control group, and utilized cortisol concentrations measurement from saliva, blood and 24 h urine sample. Second part (main study) involved both groups although focused on a salivary cortisol concentrations.

Results

A mean salivary cortisol concentration in patients with schizophrenia who underwent treatment was significantly lower in comparison with healthy individuals.

Conclusions

Obtained results indicate that patients who underwent a treatment, and does not present notable clinical signs of schizophrenia, may have moderately lowered levels of salivary cortisol. This may be a reflection of relenting psychotic symptoms as well as a direct effect of atypical antipsychotic drugs on a HPA axis activity.

Disclosure of interest

The authors have not supplied their declaration of competing interest.

Type
e-Poster Viewing: Schizophrenia and other psychotic disorders
Information
European Psychiatry , Volume 41 , Issue S1: Abstract of the 25th European Congress of Psychiatry , April 2017 , pp. s818
Copyright
Copyright © European Psychiatric Association 2017
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