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Luis Alameda

5 papers in the library · 37 citations · publishing 2020-2025

Papers

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The impact of childhood trauma and cannabis use on paranoia: a structural equation model approach.

Psychological Medicine August 8, 2025 Giulia Trotta, Edoardo Spinazzola, Hannah Degen et al. 4 citations

Childhood trauma is a well-established risk factor for psychosis, paranoia, and substance use, with cannabis being a modifiable environmental factor that exacerbates these vulnerabilities. This study examines the interplay between childhood trauma, cannabis use, and paranoia using standard tetrahydrocannabinol (THC) units as a comprehensive measure of cannabis exposure. Data were derived from...

DOI: 10.1017/s0033291725101190 (opens in new tab) Full text (opens in new tab) Cannabis use Childhood trauma Paranoia Standard THC Unit +1

Effectiveness of mindfulness based interventions in reducing depressive symptoms across mental disorders: A meta-analysis of randomized controlled trials.

Psychiatry Research June 1, 2025 Ekin Alkan, Geetanjali Kumar, Shreya Ravichandran et al. 11 citations

Mindfulness based interventions (MBIs) are increasingly recognised for their efficacy in treating depressive disorders. Depressive symptoms are prevalent across various disorders and can significantly impact outcomes, therefore being an important transdiagnostic target. Multiple randomized controlled Trials (RCTs) have explored this question in discrete disorders; however, evidence has never...

DOI: 10.1016/j.psychres.2025.116473 (opens in new tab) Full text (opens in new tab) Depressive symptoms Mindfulness-based treatments Psychiatric disorders Transdiagnostic

Cannabis use as a potential mediator between childhood adversity and first-episode psychosis: results from the EU-GEI case–control study

Psychological Medicine May 4, 2023 Giulia Trotta, Victoria Rodriguez, Diego Quattrone et al.

Abstract Background Childhood adversity and cannabis use are considered independent risk factors for psychosis, but whether different patterns of cannabis use may be acting as mediator between adversity and psychotic disorders has not yet been explored. The aim of this study is to examine whether cannabis use mediates the relationship between childhood adversity and psychosis. Methods Data were...

The association between reasons for first using cannabis, later pattern of use, and risk of first-episode psychosis: the EU-GEI case–control study

Psychological Medicine May 2, 2023 Edoardo Spinazzola, Diego Quattrone, Victoria Rodriguez et al.

Abstract Background While cannabis use is a well-established risk factor for psychosis, little is known about any association between reasons for first using cannabis (RFUC) and later patterns of use and risk of psychosis. Methods We used data from 11 sites of the multicentre European Gene-Environment Interaction (EU-GEI) case–control study. 558 first-episode psychosis patients (FEPp) and 567...

Early onset of cannabis use and violent behavior in psychosis

European Psychiatry 2020 Valérie M. Moulin, Luis Alameda, David Framorando et al. 22 citations

BACKGROUND: Although evidence from psychosis patients demonstrates the adverse effects of cannabis use (CU) at a young age and that the rate of CU is high in subgroups of young violent patients with psychotic disorders, little is known about the possible effect of the age of onset of CU on later violent behaviors (VB). So, we aimed to explore the impact of age at onset of CU on the risk of...