Eye movement desensitisation and reprocessing as a potential treatment for substance use disorders: study protocol

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• dc.contributor.author Folch Sanchez, Daniel
• dc.contributor.author Blithikioti, Chrysanthi
• dc.contributor.author Piazza, Flavia
• dc.contributor.author Nuño, Laura
• dc.contributor.author Blanco, Laura
• dc.contributor.author Rodríguez-Rey, Arturo
• dc.contributor.author Muñoz-Moreno, Emma
• dc.contributor.author Balcells-Oliveró, Mercè
• dc.contributor.author Miquel, Laia
• dc.date.accessioned 2025-11-24T07:03:09Z
• dc.date.available 2025-11-24T07:03:09Z
• dc.date.issued 2025
• dc.description.abstract Background: Prior exposure to traumatic events significantly increases the risk of developing substance use disorders (SUD), while having SUD, in turn, elevates the likelihood of encountering additional traumatic events. Despite this relationship, the consequences of trauma frequently go undetected and untreated in this population. The trauma-focused intervention eye movement desensitisation and reprocessing (EMDR), a first-line treatment for post-traumatic stress disorder (PTSD), has shown promising therapeutic potential in SUD patients. However, its underlying neurobiological mechanisms remain unclear. This study aims to investigate the efficacy of EMDR in SUD patients with comorbid psychological trauma. Additionally, potential mechanisms of action of the intervention will be explored. The primary hypothesis is that integrating EMDR into standard SUD treatment will enhance substance use prognosis. Methods: Sixty-four patients with SUD and trauma symptomatology will be randomised into two groups. One group will receive EMDR trauma-focused intervention in 6-8 sessions alongside treatment as usual (TAU) (n = 32), while the control group will receive TAU only (n = 32). The primary outcome will be the time to relapse, assessed at baseline, immediately after treatment, and at 1- and 3-months follow-up. Additional measures include post-traumatic, anxiety, depressive symptoms and biological markers (hair/salivary cortisol levels, eye blink conditioning, and resting-state fMRI). Survival analysis and linear mixed models will be used to assess treatment effects. The trial is registered on ClinicalTrials.gov (NCT05488691). Discussion: This study addresses a critical gap in scientific literature and clinical practice by evaluating the efficacy of EMDR, in patients with SUD and comorbid trauma symptoms, through a combination of clinical and biological markers. The findings could lead to integration of personalised, trauma-focused interventions into public health services for patients with SUD. HIGHLIGHTS: This study evaluates the effectiveness of Eye Movement Desensitisation and Reprocessing (EMDR) as a treatment for substance use disorders in individuals with co-occurring trauma, addressing a critical gap in addiction care. By combining clinical outcomes such as relapse rates with biological markers like cortisol levels and brain activity, this research explores the underlying neurobiological mechanisms of EMDR. Findings could support the integration of trauma-focused therapies into public health services, offering tailored interventions to improve recovery outcomes for patients with substance use disorders.en
• dc.format.mimetype application/pdf
• dc.identifier.citation Folch Sanchez D, Blithikioti C, Piazza F, Nuño L, Blanco L, Rodríguez-Rey A, et al. Eye movement desensitisation and reprocessing as a potential treatment for substance use disorders: study protocol. Eur J Psychotraumatol. 2025;16(1):2531595. DOI: 10.1080/20008066.2025.2531595
• dc.identifier.doi http://dx.doi.org/10.1080/20008066.2025.2531595
• dc.identifier.issn 2000-8066
• dc.identifier.uri http://hdl.handle.net/10230/71971
• dc.language.iso eng
• dc.publisher Taylor & Francis
• dc.relation.ispartof European Journal of Psychotraumatology. 2025;16(1):2531595
• dc.rights © 2025 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent.
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0/
• dc.subject.keyword Eye movement desensitisation and reprocessingen
• dc.subject.keyword Substance use disorderen
• dc.subject.keyword Addictionen
• dc.subject.keyword Cerebellumen
• dc.subject.keyword Randomised controlled trialen
• dc.subject.keyword Trauma-focused interventionen
• dc.title Eye movement desensitisation and reprocessing as a potential treatment for substance use disorders: study protocolen
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion