Psilocybin Treatment for Refractory Depression: A Clinical Review
Introduction: Depression is a widespread mental illness that affects a large portion of the world population and many of those who suffer from depression are resistant to treatment currently available. The purpose of this review is to compare the efficacy of psilocybin to the current available methods for the treatment of refractory depression. Methods: PubM...
Pharmacological Management of Anxiety in End-of-Life Care: A Systematic Review of Benzodiazepines, Opioids, and Psilocybin
OBJECTIVE: Anxiety is common in patients receiving end-of-life care and significantly impacts their quality of life. However, pharmacological management remains challenging due to complex clinical presentations and potential side effects, emphasizing the need for systematically reviewing existing treatments. Here we aim to systematically evaluate the efficac...
The effects of psilocybin on time perception in humans: A comparative analysis of subjective and objective measures
Background: Although psychedelics have regained attention as potential treatment tools for various mental disorders, little research has examined their impact on temporal perception. Aims: This double-blinded placebo-controlled study aimed to investigate changes in temporal perception under psilocybin, both through performance during the Temporal Bisection T...
A Randomized Double-blinded Controlled Trial for the Treatment of Persisting Symptoms After Concussion With Psilocybin-assisted Therapy: A Safety and Feasibility Trial
The goal of this randomized controlled trial is to evaluate the safety, feasibility, and efficacy of psilocybin assisted therapy as an intervention to reduce symptom burden in adult patients (aged 18-65) with persisting symptoms after concussion (PSaC). This trail will test the following 2 aims: AIM1: To test the safety and feasibility of an active psilocybi...
Comparing single- and repeat-dose psilocybin with active placebo for migraine prevention in an exploratory randomized controlled clinical trial
OBJECTIVE: The goals of this study were to examine the therapeutic effects and safety of psilocybin given as a pulsed regimen for the prevention of migraine and to consider the blinding integrity of an active control agent. BACKGROUND: The administration of a single low dose of psilocybin was observed to have lasting therapeutic effects in one small pilot tr...
A Nature-Themed Video Intervention Increases Nature Relatedness in Psilocybin-Assisted Psychotherapy for Alcohol Use Disorder
Background: Psychedelic-assisted psychotherapy has shown promising results for treating alcohol use disorder (AUD) and other mental health conditions. Although the precise mechanisms of psychedelic therapies remain unclear, many studies report increased feelings of connectedness following psychedelic experiences. Specifically, both nature relatedness (one’s ...
A Randomised, Triple-Blind, Dose-Finding Study of the Impact of Psilocybin on Motor Function in Healthy Participants
Background Psychedelics exert widespread effects on brain activity, but their impact on motor function is unclear. This is clinically relevant given the emerging interest in psychedelic-assisted physical therapy for disorders of motor function. This study’s primary objectives examined the feasibility and safety of administering movement tasks following low-t...
Group Retreat Psilocybin Therapy for People with Metastatic Cancer with Anxiety and Depression: A Rite of Passage Facilitation Model for a Phase 1/2 Study
Background: Psilocybin therapy is an emerging treatment for cancer-related anxiety, depression, and existential distress. Most clinical trials to date have studied individual models of psilocybin therapy, but group models may offer increased access and benefits of community. Purpose: This technical report describes a group facilitation model developed for an...
Effects of Psilocybin on Speech Fluency, Struggle, and Brain Activity in People Who Stutter
This Phase 2a clinical trial is an open-label, single-group, within-subjects pilot study designed to evaluate the safety, feasibility, and preliminary efficacy of psilocybin as a therapeutic intervention for adults with developmental stuttering. This pilot study will assess whether further research to explore the potential benefits of psilocybin-assisted the...
A qualitative analysis of participant expectations and experiences of psilocybin-assisted psychotherapy for methamphetamine use disorder
BACKGROUND AND AIMS: There is an urgent unmet need for novel treatments for methamphetamine (MA) use disorder. We explored the qualitative experiences of people participating in a study of psilocybin-assisted psychotherapy (PAT) to treat MA use disorder. DESIGN AND SETTING: Qualitative study of participants enrolled in a single arm, open-label pilot study of...
The CAnadian Network for Psychedelic-Assisted Cancer Therapy (CAN-PACT): A Multi-Phase Program Overview.
The CAnadian Network for Psychedelic-Assisted Cancer Therapy (CAN-PACT) was launched in 2025 to address urgent gaps in supportive care for Canadians with cancer experiencing demoralization syndrome (loss of meaning, dysphoria, disheartenment, helplessness, a sense of failure) and related psychosocial distress. CAN-PACT has six major objectives: (1) to develo...
From fungi to pharmacy: Applied technologies in psilocybin production and its therapeutic applications
Psilocybin, a naturally occurring tryptamine alkaloid found in over 200 species of fungi, has emerged as a focal point in the modern revival of psychedelic science. Once relegated to the margins of psychopharmacology due to its association with counterculture and strict legal restrictions, psilocybin is now undergoing a scientific renaissance. This transform...
Neurobehavioral Mechanisms of Psilocybin-assisted Treatment for Alcohol Use Disorder
This is a double-blind, randomized, placebo-controlled Phase 2 mechanistic clinical trial designed to evaluate the therapeutic neural mechanisms of psilocybin in patients with alcohol use disorder (AUD), and to determine whether further studies are warranted to study the relationship of any such effects to clinical improvement in AUD symptoms. The primary ai...
Psilocybin in the real world: Regulatory, ethical, and operational challenges in Australia’s clinical landscape
Australia's reclassification of psilocybin as a Schedule 8 substance for treatment-resistant depression represents a significant shift in psychiatric policy. While this regulatory change positions Australia as a global leader in psychedelic medicine, its implementation has revealed substantial challenges. This article critically examines the regulatory, ethi...
Psilocybin-assisted psychotherapy for treatment-resistant obsessive-compulsive disorder: protocol for an open-label pilot study
BACKGROUND: Obsessive-compulsive disorder (OCD) is a debilitating mental disorder commonly treated with selective serotonin reuptake inhibitors, atypical antipsychotic augmentation and cognitive-behavioural therapy. However, up to 60% of people with OCD do not respond to these treatments. Therefore, a novel intervention, psilocybin-assisted psychotherapy (PA...
COMPARATIVE EFFICACY AND ACCEPTABILITY OF PSILOCYBIN-KETAMINE AND TYPICAL ANTIDEPRESSANTS FOR MAJOR DEPRESSIVE DISORDER MANAGEMENT: A NETWORK META-ANALYSIS
Objective: To compare acceptability and effectiveness of psilocybin, ketamine and commonly prescribed antidepressants in the management of Major Depressive Disorder (MDD). Methods: This is a systematic review with network meta-analysis. The survey was conducted between January and June 2023, employing MEDLINE, PsyINFO, Embase, Web of Science and ClinicalTria...
Acute and post-dosing effects of single-dose psilocybin for obsessive-compulsive disorder in a randomized, double-blind, placebo-controlled trial: an interpretative phenomenological analysis
Introduction: The subjective effects of psilocybin on obsessive-compulsive disorder (OCD) are under-explored. Therefore, we conducted a qualitative study of participant experiences from the first randomized placebo-controlled trial of single-dose psilocybin combined with unstructured and non-directive support for individuals with treatment-refractory OCD. Ou...
Psilocybin in late-life mental health: Addressing depression, loneliness, and existential anxiety
The global demographic shift toward aging populations has intensified the need for innovative therapeutic interventions targeting late-life mental health conditions, notably depression, loneliness, and existential distress. Traditional pharmacological treatments often exhibit limited efficacy and poor tolerability in older patients, primarily due to age-rela...
The Relationship Between Participant Pretreatment Clinical Presentation and the Quality of Psilocybin Experience
PURPOSE/BACKGROUND: The therapeutic effects of psilocybin treatment are thought to be influenced by the subjective dose-dependent psychedelic experience, as well as the individual participant's mindset and the treatment environment. However, the relative contribution of an individual's pretreatment clinical characteristics and their subjective psychedelic ex...