Objectives: Given the increasing use of psilocybin-containing substances across a variety of use settings, understanding the potential risks is imperative for informing public health policy, health care providers, and consumers. Poison centers (PCs) receive calls following exposures to potential toxins to support the detection, prevention, and treatment of t...
Psilocybin-assisted therapy (PAT) has been shown in early trials to reduce the symptoms of treatment-resistant depression (TRD). This study evaluated the cost-effectiveness of PAT as a third-line treatment for major depressive disorder compared to standard of care (SOC). We used an individual-level, probabilistic simulation model that portrays representative...
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...
This study is a phase 2 single-site, double-blind, placebo-controlled, randomized clinical trial with an open-label extension phase to examine the safety of psilocybin (25 mg) combined with psychological support (Psi-PS) for treatment of approximately 40 military veterans and first responders (ages 21-65) with co-occurring alcohol use disorder (AUD) and post...
BackgroundPsilocybin is a natural alkaloid with therapeutic potential in the treatment of different mental disorders. Bibliometric information on its use is still scattered in the literature.ObjectiveTo investigate the temporal and bibliometric patterns of publications and the specificity of psilocybin in the treatment of mental disorders.MethodPerformed a b...
A bstract Contemporary psychedelic research highlights the value of user experience reports, yet their verbose, subjective nature poses challenges for clinical utility. This is the first study to pioneer unsupervised automatic text summarization of psychedelic user experience reports, a domain where no human-annotated reference summaries exist. To address th...
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...
We quantify cellular- and circuit-resolution neural network dynamics following therapeutically relevant doses of the psychedelic psilocybin. Using chronically implanted Neuropixels probes, we recorded local field potentials (LFP) alongside action potentials from hundreds of neurons spanning infralimbic, prelimbic and cingulate subregions of the medial prefro...
Background: Cancer poses an existential threat for patients and caregivers. Psilocybin-assisted therapy (PAT) has emerged as a potential tool to meet these existential needs, yet little is known about how patients describe this element of their cancer journey, and how it might be affected by PAT, especially in the group therapy context. Purpose: To explore h...
Serotonergic psychedelics, including the recreationally used psilocybin and LSD, have become promising therapeutic agents for the treatment of treatment-resistant depression. While it is generally agreed that they exhibit their antidepressant effects by inducing rapid and sustained neuroplasticity, the molecular mechanisms responsible are widely debated. In ...
The extent to which anatomical connectivity constrains pharmacologically altered brain dynamics remains poorly understood. Here, we combined psilocybin administration with a structurally informed effective-connectivity model to examine how structural connectivity shapes directed inter-regional influences across experiential contexts. Using dynamic causal mod...
Abstract Background: Psychedelics can acutely induce mystical experiences and elevated positive mood, which may contribute to the potential benefits of psychedelic therapy. However, there remains limited understanding of the occurrence and importance of specific positive emotional experiences within psychedelic therapy. Therefore, we examined the effects of ...
Psychogenic non-epileptic seizures (PNES) are functional paroxysmal motor disorders that may be clinically suggestive of epilepsy but are not associated with the electroencephysiological and electroencephalographic changes of epilepsy. Thus, hyper-connectivity of the regions of the default mode network (DMN) linked to executive control could be involved in t...
Recent advances in psychedelic research have renewed interest in their therapeutic potential for psychiatric disorders characterized by cognitive and behavioral rigidity. This review examines the rationale for using serotonergic psychedelics-particularly 5-HT2A receptor agonists such as psilocybin-in the treatment of eating disorders (EDs), including anorexi...
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...
The study hypothesis is that the antidepressant effect of psilocybin is mediated by a normalization of the functioning of the positive valence system. Depressive states, especially moderate to severe depressions that associate a certain level of anhedonia, produce an overvaluation of the cost of efforts and an infra-evaluation of the possible rewards derived...
This study will examine the effects of psilocybin on Lyme disease symptom burden and quality of life in people with Post-Treatment Lyme Disease (PTLD). This pilot study will evaluate the therapeutic potential of psilocybin in people with well-documented current Post-Treatment Lyme Disease (PTLD). Study measures will assess the impact of psilocybin-assisted t...
Safety, Tolerability, pharmacokinetics and efficacy of a single administration of COMP360 in participants with recurrent Major Depressive Disorder. This is a phase II, multi-centre, randomised, double-blind, controlled study. The study population will include participants aged ≥18 years with recurrent Major Depressive Disorder (MDD) with up to four prior tre...
