While psychedelic experiences are often reported as positive, adverse psychological reactions can occur. We present the case of a 19-year-old Caucasian male who presented to the ER with suicidal thoughts after taking lysergic acid diethylamide (LSD) alone. He was diagnosed with anxious state associated with panic attacks, and suicidal thoughts without ideation or behaviors. He was admitted to...
Background: Epidemiological data on psychedelic use in Italy is limited. In this study, Italian responders in the Global Psychedelic Survey 2025 were subanalyzed to describe patterns of use, motivations, subjective experiences, and health correlates. Methods: Adults (≥21 years) with lifetime psychedelic exposure, residing in or born in Italy or San Marino, were surveyed in a web-based,...
Background: Intranasal esketamine (ESK-NS) is an effective treatment for treatment-resistant depression (TRD), but whether antidepressant outcomes differ by sex and age remains insufficiently explored. Methods: This secondary analysis of the REAL-ESK study included 210 patients with TRD treated with ESK-NS in routine clinical practice and assessed at baseline (T0), one month (T1), and three...
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Substance-induced psychoses (SIP) may offer a useful vantage point for exploring mechanisms underlying psychotic disorders and for examining the phenomenological specificities of schizophrenia. Clinical observations suggest that a clinically relevant subset of patients does not fully recover after an episode of substance-induced psychosis, raising the hypothesis of more persistent psychotic...
Background: Ketamine, a dissociative anaesthetic and non-competitive NMDA receptor antagonist, has legitimate medical applications. However, rising illicit use across the United Kingdom (UK) has been accompanied by growing reports of toxicity, dependence, and deaths. These have led to renewed policy discussions. Rationale and Aim: Previous national studies have reported ketamine-related deaths...
Introduction: Treatment-Resistant Depression (TRD) affects approximately 30–50% of patients with Major Depressive Disorder (MDD) who fail to respond to at least two adequate antidepressant trials. This condition presents substantial clinical and functional challenges, and no universally accepted treatment algorithm currently exists. Emerging therapeutic strategies, particularly glutamatergic...
Cannabis-induced psychosis (CIP) represents a significant public health concern in the context of increasing global cannabis use and potency. This review synthesizes current evidence on the epidemiology, neurobiological mechanisms, clinical features, and treatment approaches for cannabis-induced psychotic disorders. Recent epidemiological data indicate rising incidence rates of CIP, with...
Case Report Esketamine in Geriatric Depression and Pseudodementia: A Case Study Filippo Mazzoni 1,2, Giovanni Carnevale Miacca 1,2, Alessandro Guffanti 1,2, Vassilis Martiadis 3, Benardo Maria Dell’Osso 4,5,6,7, Natascia Brondino 1,2 and Miriam Olivola 1,4 1 Department of Brain and Behavioural Sciences, University of Pavia, 27100 Pavia, Italy 2 Department of Mental Health and Addiction, ASST...