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Psilocybin research published in 2021

Page 7 of 9: studies 121 to 140 of 177, newest first. Back to the psilocybin overview

Studies

Therapeutic interventions for PTSD – current evidence on the the role of psychedelics

European Psychiatry April 1, 2021 I. Figueiredo, Filipa Viegas, F. Ferreira et al. 2 citations

Introduction Post-traumatic stress disorder (PTSD) is often a chronic condition, despite the existence of evidence-based treatment options. Psychotherapy is the designated first line treatment for PTSD, although high rates of psychiatric and medical comorbidity are observed among patients who have undergone treatment. The psychoactive properties of psychedelics may be of particular interest...

Psychedelics and psychiatric disorders: A emerging role

European Psychiatry April 1, 2021 Clayton Peixoto, Fabiano Santos, Daianne Cardinalli Rêgo et al. 1 citation

Introduction Recently there has been renewal in interest of psychedelic research. Classic psychedelics such as lysergic acid diethylamide (LSD), psilocybin and mescaline act pharmacologically as agonists at the 5-HT2A receptor. The entactogens like methylenedioxymethamphetamine (MDMA), acts as a serotonin, dopamine and noradrenaline agonist. All of these drugs are potential candidates in the...

Psychedelics: A new era of treatment?

European Psychiatry April 1, 2021 S. Torres 2 citations

Introduction Psychedelics - including LSD (lysergic acid diethylamide), psilocybin, DMT (N, N-dimethyltryptamine), ayahuasca and mescaline - have an ancient history across various civilizations. In 1950, after LSD’s discovery by Hofmann, psychedelics enjoyed a short-lived relationship with psychiatry, before prohibitive legislature emerging in response to the recreational use in the mid-1960s....

A Qualitative Study of Intention and Impact of Ayahuasca Use by Westerners

April 1, 2021 Geoff J. Bathje, Jon Fenton, Daniel Pillersdorf et al. 23 citations preprint

Ayahuasca has gained the attention of researchers over the past decade as psychedelic-assisted therapy for MDMA and psilocybin have progressed through FDA approved clinical trials. In spite of the increase in research, there are relatively few clinical studies of ayahuasca and little qualitative research on the therapeutic or healing uses of psychedelics in general. The present study included...

Psilocybin in the treatment of obsessive-compulsive disorder: What do we know so far?

European Psychiatry April 1, 2021 Nelson Descalço, Ana Beatriz Medeiros, Cátia Fernandes Santos et al. 1 citation

Introduction Psilocybin is a naturally occurring plant alkaloid in mushrooms and a prodrug of psilocin. It is a serotonin receptor (5-HT2A) agonist and known psychedelic, with similar hallucinatory properties to lysergic acid diethylamide (LSD). It has been identified as a safe and effective option in treatment-resistant depression. Literature focus mainly on its use on depressive but its...

Effects of psilocybin-assisted therapy on treatment-resistant depression

European Psychiatry April 1, 2021 A. Fraga, Daniel Esteves-Sousa, João Facucho-Oliveira et al. 1 citation

Introduction Major depressive disorder is a highly prevalent clinical condition, affecting more than 300 million individuals worldwide. About 1/3 of patients with MDD fail to achieve remission despite treatment with multiple antidepressants and are considered to have treatment-resistant depression (TRD). Novel antidepressants with rapid and sustained effects on mood and cognition could...

The Return of Psychedelics: Still Time to Prevent Tragedy

Psychiatric News March 31, 2021 Stanley N. Caroff 1 citation

Recently, a movement reviving psychedelic drugs has emerged among physicians, echoed by activists like Michael Pollan, who promoted psychedelics for treating a variety of conditions and for "the betterment of well people" in his latest book, How to Change Your Mind: What the New Science of Psychedelics Teaches Us About Consciousness, Dying, Addiction, Depression, and Transcendence. Pollan...

DOI: 10.1176/appi.pn.2021.4.8 (opens in new tab) Psilocybin Grassroots Government linguistics Public relations +3

Cannabis-induced oceanic boundlessness

Journal of Psychopharmacology March 28, 2021 Mitch Earleywine, Luna F. Ueno, Maha N. Mian et al. 36 citations

Background: Despite tetrahydrocannabinol (THC)’s reputation for creating dramatic effects at high doses, empirical work rarely addresses cannabis’s impact on subjective responses common to the tryptamine psychedelics. We focused on these effects because they have preceded and covaried with the therapeutic impact of psilocybin in previous work. Aims: The current study examined if self-reported...

Psychedelics and Health Behavior Change - Journal of Psychopharmacology (in press)

March 24, 2021 Pedro J. Teixeira, Matthew W. Johnson, Christopher Timmermann et al. 1 citation preprint

Healthful behaviors such as maintaining a balanced diet, being physically active, and refraining from smoking have major impacts on the risk of developing cancer, diabetes, cardiovascular diseases, and other serious conditions. The burden of the so-called “lifestyle diseases” - in personal suffering, premature mortality, and public health costs - is considerable. Consequently, interventions...

Medicinal psychedelics for mental health and addiction: Advancing research of an emerging paradigm

Australian & New Zealand Journal of Psychiatry March 21, 2021 Daniel Perkins, Jerome Sarris, Susan L. Rossell et al. 53 citations

The medical use of psychedelic substances (e.g. psilocybin, ayahuasca, lysergic acid diethylamide and 3,4-methylenedioxymethamphetamine) is attracting renewed interest, driven by a pressing need for research and development of novel therapies for psychiatric disorders, as well as promising results of contemporary studies. In this Viewpoint, we reflect upon the ‘Clinical Memorandum on...

DOI: 10.1177/0004867421998785 (opens in new tab) Psilocybin Mental health Psychotherapist Hallucinogen

Hallucinogenic/psychedelic 5HT2A receptor agonists as rapid antidepressant therapeutics: Evidence and mechanisms of action

Journal of Psychopharmacology March 19, 2021 Rafael G. Dos Santos, Jaime Ec Hallak, Glen B. Baker et al. 51 citations

Major depressive disorder (MDD) is among the most prevalent mental health disorders worldwide, and it is associated with a reduced quality of life and enormous costs to health care systems. Available drug treatments show low-to-moderate response in most patients, with almost a third of patients being non-responders (treatment-resistant). Furthermore, most currently available medications need...

Acute and Sustained Reductions in Loss of Meaning and Suicidal Ideation Following Psilocybin-Assisted Psychotherapy for Psychiatric and Existential Distress in Life-Threatening Cancer

ACS Pharmacology & Translational Science March 18, 2021 Stephen Ross, Gabrielle Agin-Liebes, Sharon L. Lo et al. 133 citations

People with advanced cancer are at heightened risk of desire for hastened death (DHD), suicidal ideation (SI), and completed suicide. Loss of Meaning (LoM), a component of demoralization, can be elevated by a cancer diagnosis and predicts DHD and SI in this population. We completed a randomized controlled trial in which psilocybin-assisted psychotherapy (PAP) produced rapid and sustained...

Development of a physiologically based pharmacokinetic (PBPK) model of psilocybin and psilocin from magic mushroom in rats and humans

F1000Research March 15, 2021 Prinya Musikaphongsakul, Kimheang Ya, Pakpoom Subsoontorn et al. 6 citations

Background: Psilocybin (PB) is a psychoactive compound commonly found in magic mushroom (Psilocybe cubensis). PB is quickly converted by the body to psilocin (PI), which has a psychedelic effect through the activation of the 5-HT2A receptor in the brain. The objective of this study is to develop a physiologically based pharmacokinetic (PBPK) model of PB and PI in rats and humans for predicting...

DOI: 10.12688/f1000research.28133.1 (opens in new tab) Pharmacology Ns3 Pharmacokinetics

Psychedelic Harm Reduction and Integration: A Transtheoretical Model for Clinical Practice

Frontiers in Psychology March 15, 2021 Ingmar Gorman, Ingmar Gorman, Ingmar Gorman et al.

Psychedelic Harm Reduction and Integration (PHRI) is a transtheoretical and transdiagnostic clinical approach to working with patients who are using or considering using psychedelics in any context. The ongoing discussion of psychedelics in academic research and mainstream media, coupled with recent law enforcement deprioritization of psychedelics and compassionate use approvals for...

DOI: 10.3389/fpsyg.2021.645246 (opens in new tab) Psilocybin Psychedelics Harm reduction Psychotherapy +11

On the Relationship between Classic Psychedelics and Suicidality: A Systematic Review

ACS Pharmacology & Translational Science March 11, 2021 Richard J. Zeifman, Nikhita Singhal, Leah Breslow et al. 60 citations

Use of classic psychedelics (e.g., psilocybin, ayahuasca, and lysergic acid diethylamide) is increasing, and psychedelic therapy is receiving growing attention as a novel mental health intervention. Suicidality remains a potential safety concern associated with classic psychedelics and is, concurrently, a mental health concern that psychedelic therapy may show promise in targeting. Accordingly,...

The DMT and Psilocin Treatment Changes CD11b+ Activated Microglia Immunological Phenotype

bioRxiv Preprint Server March 7, 2021 Urszula Kozłowska, Aleksandra Klimczak, Kalina Wiatr et al. 27 citations preprint

Psychedelics are new, promising candidate molecules for clinical use in psychiatric disorders such as Treatment-Resistant Depression (TRD) and Post Traumatic Stress Disorder (PTSD). They were recently also proposed as molecules supporting neural tissue repair by anti-inflammatory properties. Here we reported that two classic psychedelics, DMT and psilocin, can influence microglial functions by...

Chemoenzymatic Synthesis of 5-Methylpsilocybin: A Tryptamine with Potential Psychedelic Activity

Journal of Natural Products March 5, 2021 Janis Fricke, Alexander M. Sherwood, Adam L. Halberstadt et al. 18 citations

A novel analogue of psilocybin was produced by hybrid chemoenzymatic synthesis in sufficient quantity to enable bioassay. Utilizing purified 4-hydroxytryptamine kinase from Psilocybe cubensis, chemically synthesized 5-methylpsilocin (2) was enzymatically phosphorylated to provide 5-methylpsilocybin (1). The zwitterionic product was isolated from the enzymatic step with high purity utilizing a...

Dose–response relationships of psilocybin-induced subjective experiences in humans

Journal of Psychopharmacology March 4, 2021 Tim Hirschfeld, Timo T Schmidt 90 citations

Background: Psilocybin is the psychoactive component in Psilocybe mushrooms (‘magic mushrooms’). Whether and how the quality of the psilocybin-induced experience might mediate beneficial health outcomes is currently under investigation, for example, in therapeutic applications. However, to date, no meta-analysis has investigated the dose-dependency of subjective experiences across available...

DOI: 10.1177/0269881121992676 (opens in new tab) Psilocybin Hallucinogen Clinical psychology Rating scale +1

Stroke and Adverse Effects on The Immune and Cardiovascular Systems: The Danger of the Rise and Use of Psychedelic Drugs for Depression and PTSD

Journal of Clinical & Experimental Immunology March 3, 2021 1 citation

Depression and post-traumatic stress disorder (PTSD), in the past two decades, has been a growing problem among adults and our youth. For hundreds, if not thousands of years, plant-based psychedelic drugs, such as psilocybin and peyote, have been utilized for medical purposes by numerous native tribal people As early as 1950, lysergic acid diethylamide (LSD), a synthetic mood-altering drug, a...

The Use of Classic Hallucinogens/Psychedelics in a Therapeutic Context: Healthcare Policy Opportunities and Challenges

Risk Management and Healthcare Policy March 1, 2021 Rafael G. Dos Santos, José Carlos Bouso, Juliana Mendes Rocha et al. 58 citations

Psychedelics or serotonergic hallucinogens are a group of substances that share the agonism of serotonergic 5-HT2A receptors as their main mechanism of action. Its main effects include changes in perception, cognitive process, and mood. Despite being used for centuries by different cultures in ritual contexts, these substances have currently aroused the interest of science and industry for...