Oxytocin, cortisol and 3,4-methylenedioxymethamphetamine: neurohormonal aspects of recreational ‘ecstasy’ : Behavioural Pharmacology

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Oxytocin, cortisol and 3,4-methylenedioxymethamphetamine: neurohormonal aspects of recreational ‘ecstasy’

Parrott, Andrew C.a,b

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Behavioural Pharmacology 27(8):p 649-658, December 2016. | DOI: 10.1097/FBP.0000000000000262

Abstract

Most research into 3,4-methylenedioxymethamphetamine (MDMA) has debated its psychobiological effects in relation to neurotransmission. This article debates the contributory roles of the neurohormones oxytocin and cortisol for their psychobiological effects in humans. The empirical literature on these neurohormones is reviewed and suggestions for future research outlined. Acute MDMA or ‘ecstasy’ can generate increased levels of oxytocin and cortisol, and these neurohormonal changes may be important for its mood-enhancing and energy-activation effects in humans. However, an initial finding of enhanced sociability correlating with oxytocin levels has not been replicated. Potential reasons are debated. There may be dynamic interactions between the two neurohormones, with greater activation under cortisol, facilitating stronger positive feelings under oxytocin. Chronic regular use of MDMA can adversely affect cortisol in several ways. Regular users show increased cortisol in 3-month hair samples, changes to the cortisol awakening response, and indications of greater daily stress. Furthermore, these cortisol findings suggest changes to the hypothalamic–pituitary–adrenal axis. The effects of chronic MDMA usage on oxytocin still need to be investigated. It is concluded that the neurohormones oxytocin and cortisol contribute in various ways to the psychobiological effects of recreational ecstasy/MDMA.

Copyright © 2016 Wolters Kluwer Health, Inc. All rights reserved.

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