Treatment-resistant depression (TRD) has been well-researched within scientific literature, although the therapeutic value of psilocybin is not fully understood. The aim of this systematic review is to determine a stable and effective dosage unit to inform health professionals of the benefits of psilocybin, using peer-reviewed literature and meta-analysis. T...
Background: Psilocybin is a promising therapy for cancer-related distress, but existing individual treatment models are resource intensive. In this study, we designed and tested a group model of psilocybin therapy for people with metastatic cancer and cancer-related anxiety and depression. Method: Eligibility criteria included metastatic cancer, moderate-to-...
Background: Obsessive-compulsive disorder (OCD) affects 2-3% of the population worldwide. 40-60% of patients do not respond to first-line interventions. We evaluated the efficacy and safety of a single dose of psilocybin in patients with treatment-resistant OCD. Methods: In this phase 2, randomized, double-blind trial, we randomly assigned 28 adults with tre...
Objective: Emerging evidence suggests that mystical experiences mediate the therapeutic effects of psychedelic-assisted therapy. The current study examines associations between mystical experiences and components of “set” (positive mindset, participant intentions, and spirituality) and “setting” (perceived positivity of the dosing environment) in the context...
Psilocybe cubensis mushrooms are typically not consumed for their nutritional value. The main reason people ingest these mushrooms is for their psychoactive effects. Recently, there has been growing interest in the potential therapeutic applications of psilocybin-containing mushrooms in a range of psychiatric conditions, including depression, anxiety disorde...
BACKGROUND: Psilocybin has shown rapid and sustained antidepressant effects in patients with major depressive disorder, yet the neurobiological mechanisms underlying these outcomes remain unclear. AIMS: receptor occupancy (RO) achieved after administration of psilocybin and its effects on behavior and markers of neuroplasticity in mice. METHODS: H]MDL-100,90...
With the resurgence of psychedelic research and the growing interest in their therapeutic potential, there is an urgent need to understand how these compounds act across biological sexes. Despite widespread interest in their use for conditions marked by social impairments, including depression, anxiety, and anorexia nervosa, the influence of sex as a biologi...
Background Classic serotonergic psychedelics such as LSD and psilocybin show promising antidepressant effects in controlled trials, but real-world data from routine clinical care remain limited. Methods This study retrospectively analysed routine data from adults with treatment-resistant depressive and/or anxiety disorders who received a first standardized P...
The psychedelic psilocybin has gained popularity in recent years as a therapy for treatment-resistant depression and has been reported to reduce symptoms of depression and anxiety. Psilocybin's active metabolite, psilocin, possesses a binding affinity for serotonin receptors as well as for the serotonin transporter (5-HTT). We recently reported that in contr...
Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder characterized by recurrent distressing thoughts and substantial anxiety, accompanied by repetitive behaviors or mental rituals. Individuals with OCD often have diminished quality of life, and functional impairment. The disorder cause high personal, societal and economic costs. Current availab...
method was developed for the analysis of serotonin in Caenorhabditis elegans. Samples were subjected to solvent-solvent extraction from basic conditions into n-heptanol. The serotonin was then back-extracted into acetic acid, the solution diluted into basic buffer, and labelled with 3-(2-furoyl) quinoline-2-carboxaldehyde in the presence of cyanide. The samp...
Background and Purpose Given the increase in recreational psychedelic use and ongoing efforts to explore psychedelics as therapeutic agents for mental health disorders, there is an urgent need to understand the effect of psychedelics such as psilocybin and N,N-dimethyltryptamine (DMT) on sleep-wake states, which share a bidirectional relationship with mental...
Psilocybin, a serotonin receptor agonist in the brain, significantly and quickly improves depressive symptoms while inducing profound acute subjective effects. The benefit-risk ratio of psilocybin in treatment-resistant depression seems favorable, but needs to be confirmed. Moreover, the role of 5-HT2A receptors, involved in the psychedelic experience, on th...
Psilocybin is found in a family of mushrooms commonly known as Psilocybe. We aimed to study the antinociceptive efficacy of psilocybin using formalin-induced noxious stimuli, a model that comprises both acute and persistent pain in rats. Adult male Sprague-Dawley rats were used. Psilocybin (0.1, 0.3, and 1 mg/kg, IP) or vehicle was administered, and 6 h late...
The goal of this clinical trial is to understand how personally meaningful, autobiographically salient music compares to standardized playlists when combined with psilocybin in healthy adults ages 21 to 75. The main questions it aims to answer are: Does autobiographically salient music lead to stronger emotional responses to music, greater acute subjective e...
Background: Post-traumatic stress disorder (PTSD) is a debilitating condition for which there are few efficacious treatments. Psilocybin is being studied for use in treatment-resistant depression but has not yet been investigated in PTSD. Aims: The trial’s primary outcome was to investigate the safety and tolerability of single-dose psilocybin in participant...
BACKGROUND AND AIMS: Drug discrimination procedures have made important contributions to the pre-clinical investigation of psychedelic drugs, such as psilocybin, lysergic acid diethylamide (LSD), N,N-dimethyltryptamine (DMT) and 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT). One of the most important being to highlight the critical role of central 5-HT2A rece...
Psilocybin, a serotonergic compound that produces psychedelic effects primarily through activation of the 5-HT2A receptor, has shown promise in treating neuropsychiatric conditions, including obsessive-compulsive disorder (OCD). However, the effects of chronic psilocybin administration on gut function, microbiota, and behavioural phenotypes remain understudi...
BACKGROUND AND AIMS: Psilocybin has emerged as a potential treatment for alcohol use disorder (AUD), but early efficacy data are inconsistent. Depression following alcohol detoxification significantly increases the risk of relapse. This pilot study aimed to evaluate the feasibility, acceptability, and preliminary efficacy of psilocybin-assisted psychotherapy...
Innovative therapies, such as psilocybin-assisted psychotherapies, hold great promises for treating anxiety, depression, and various other mental health disorders, addressing some of the challenges faced by conventional psychiatric medicine. This study focuses on developing and validating an HPLC-DAD methodology for detecting psilocybin and psilocin in extra...
