Within-session Habituation and Salivary Cortisol During Exposure Treatment in Obsessive-compulsive Disorder - A Link and an Influence of DHEA?

Overview

Journal Indian J Psychiatry

Date 2025 Jan 27

PMID 39867236

Authors

Michael Kellner

Alexander Yassouridis

Christoph Muhtz

Klaus Wiedemann

Affiliations

Soon will be listed here.

Abstract

Background: Glucocorticoids increase fear extinction in preclinical and human studies. Endogenous cortisol might influence who will benefit from exposure therapy in anxiety-spectrum disorders.

Methods: To investigate the impact of cortisol levels on within-session habituation of distress - a measure of success of exposure therapy - in obsessive-compulsive disorder (OCD) fifty-one OCD patients were studied during their stressful first cognitive-behavioral exposure therapy session with response prevention. Subjective units of distress, salivary cortisol, and salivary dehydroepiandrosterone (DHEA) were measured repeatedly before and during this afternoon session.

Results: No significant association of within-session habituation of distress and cortisol level during exposure was found. Calculating with the cortisol/DHEA ratio, similar results emerged.

Conclusion: Studies using endogenous diurnal fluctuation of cortisol and studies with administration of exogenous cortisol are needed to test whether glucocorticoids can augment exposure session outcome.

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