Results 81 to 90 of about 13,713 (214)

Evidence that 5‐HT2A receptor signalling efficacy and not biased agonism differentiates serotonergic psychedelic from non‐psychedelic drugs

British Journal of Pharmacology, EarlyView.
Background and Purpose Serotonergic psychedelic drugs are under investigation as therapies for various psychiatric disorders, including major depression. Although serotonergic psychedelic drugs are 5‐HT2A receptor agonists, some such agonists are not psychedelic, potentially due to differences in 5‐HT2A receptor ligand bias or signalling efficacy. Here,
Aurelija Ippolito, Sridhar Vasudevan, Shaun Hurley, Gary Gilmour, Frederick Westhorpe, Grant Churchill, Trevor Sharp   +6 more
wiley   +1 more source

Investigating the psychedelic hypothesis of kykeon, the sacred elixir of the Eleusinian Mysteries

Scientific Reports
This study revisits the hypothesis that Claviceps purpurea (Fr.) Tul., a fungus infecting cereals and producing ergot alkaloids (EAs), was the psychedelic agent in kykeon, the sacred elixir of the Eleusinian Mysteries.
Romanos K. Antonopoulos, Evangelos Dadiotis, Kostas Ioannidis, Antigoni Cheilari, Vangelis Mitsis, Ana M. Garcia-Campaña, Laura Gámiz-Gracia, Maykel Hernández-Mesa, Alfonso Narváez, Mark A. Hoffman, Carl A. P. Ruck, Zacharoula Gonou-Zagou, Nektarios Aligiannis, Prokopios Magiatis   +13 more
doaj   +1 more source

Are we hallucinating or can psychedelic drugs modulate the immune system to control inflammation?

British Journal of Pharmacology, EarlyView.
Psychedelic drugs that activate 5‐HT2A receptors have been long used for cultural, medicinal and recreational purposes. Interest in psychedelics for treating psychiatric disorders has resurged recently and is well documented; less well recognised are their anti‐inflammatory properties. Growing evidence now demonstrates that psychedelics modulate immune
Omar Qureshi, Jamie Cowley, Ashley Pegg, Alison J. Cooper, John Gordon, Catherine A. Brady, Antonio Belli, Sam Butterworth, Rachel Upthegrove, Nick Andrews, Nicholas M. Barnes   +10 more
wiley   +1 more source

Evaluation of 1cp-LSD for Enhancing Welfare in Shelter Dogs: A Randomized Blind Trial with Ethological Intervention

Veterinary Sciences
Shelter environments frequently expose dogs to chronic stress and anxiety, which can compromise their welfare and reduce their chances of adoption. Recent interest in psychedelic-assisted approaches has suggested potential therapeutic applications in ...
Elisa Hernández-Álvarez, Cristina Canino-Quijada, Sira Roiz, Octavio P. Luzardo, Luis Alberto Henríquez-Hernández   +4 more
doaj   +1 more source

Alkaloid quantities in endophyte-infected tall fescue are affected by the plant-fungus combination and environment [PDF]

, 2016
201
Bush, L. P., Faeth, S. H., Helander, M., McCulley, R., Phillips, T., Saikkonen, K., Saloniemi, I.   +6 more
core   +1 more source

Psychedelics as pharmacotherapeutics for substance use disorders: A scoping review on clinical trials and perspectives on underlying neurobiology

British Journal of Pharmacology, EarlyView.
Theorized mechanism of dopamine homeostasis restoration in the nucleus accumbens core induced by a psychedelic intervention. Abstract Psychedelics have garnered great attention in recent years as treatments for major depressive disorder (MDD) and treatment‐resistant depression because of their ability to alter consciousness and afflicted cognitive ...
Lucas Wittenkeller, Gary Gudelsky, T. John Winhusen, Davide Amato   +3 more
wiley   +1 more source

Therapeutic Use of LSD in Psychiatry: A Systematic Review of Randomized-Controlled Clinical Trials

Frontiers in Psychiatry, 2020
Lysergic acid diethylamide (LSD) was studied from the 1950s to the 1970s to evaluate behavioral and personality changes, as well as remission of psychiatric symptoms in various disorders.
Juan José Fuentes, Francina Fonseca, Francina Fonseca, Francina Fonseca, Matilde Elices, Matilde Elices, Magí Farré, Magí Farré, Marta Torrens, Marta Torrens, Marta Torrens   +10 more
doaj   +1 more source

Novel Psychoactive Substances: : the pharmacology of stimulants and hallucinogens [PDF]

, 2016
This is an Accepted Manuscript of an article published by Taylor & Francis in Expert Review of Clinical Pharmacology, on March 2016, available online at doi: : http://www.tandfonline.com/doi/full/10.1586/17512433.2016.1167597.There are increasing levels ...
Corkery JM, Daly M, Dargan PI, Fabrizio Schifano, Farrè M, G. Duccio Papanti, John M. Corkery, Laura Orsolini, Shulgin AT, Shulgin AT, Soussan C, Ujváry I   +11 more
core   +3 more sources

Reversible cerebral vasoconstriction syndrome: A narrative review

Headache: The Journal of Head and Face Pain, EarlyView.
Abstract Objectives/Background This review summarizes current insights into Reversible cerebral vasoconstriction syndrome (RCVS) diagnosis, management, and outcomes. RCVS is a cerebrovascular disorder characterized by recurrent thunderclap headaches and transient segmental vasoconstriction of cerebral arteries, typically resolving within 3 months ...
Ícaro Araújo de Sousa, Abner da Silva Machado, Arthur de Oliveira Veras, Thiago Oscar Goulart, Sarah Galassi Tatsuta, Trajano Aguiar Pires Gonçalves, Eva Rocha, Octávio Marques Pontes‐Neto   +7 more
wiley   +1 more source

Integrating the Mystical Experience Questionnaire Into a Broader Psychometric Framework: English Validation of the Psychedelic Experience Scale and Comparison of Psilocybin and LSD Sessions Across Two Controlled Settings

International Journal of Methods in Psychiatric Research, Volume 35, Issue 2, June 2026.
ABSTRACT Objectives For English, the validated part of Psychedelic Experience Scale (PES48) is a four‐factor structure called the Mystical Experience Questionnaire (MEQ30). The other validated part of the PES48 consists of four more factors: two more mystical factors (paradoxicality and connectedness, which together with the MEQ30 form the MEQ40), and ...
Kurt Stocker, Matthias Hartmann, Frederick S. Barrett, William A. Richards, Nathan D. Sepeda, Laura Ley, Anna M. Becker, Friederike Holze, Matthias E. Liechti   +8 more
wiley   +1 more source