Étiquette : thérapeutiques psychédeliques

How ecstasy and psilocybin are shaking up psychiatry, Paul Tullis, 2021

How ecstasy and psilocybin are shaking up psychiatry Regulators will soon grapple with how to safely administer powerful psychedelics for treating depression and post-traumatic stress disorder. Paul Tullis https://www.nature.com/articles/d41586-021-00187-9?utm_source=twt_nnc&utm_medium=social&utm_campaign=naturenews&sf242359384=1 Nature, 2021,  589, 506-509 doi: 10.1038/d41586-021-00187-9   Illustration by Gizem Vural PDF version On a sunny day in London in 2015, Kirk Rutter rode the Tube to Hammersmith Hospital in hopes of finally putting an end to his depression. Rutter had lived with the condition off and on for years, but the burden had grown since the death of his mother in 2011, followed by a relationship break-up and a car accident the year [...]

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Positive expectations predict improved mental-health outcomes linked to psychedelic microdosing, L.S. Kaertner et al., 2021

Positive expectations predict improved mental-health outcomes linked to psychedelic microdosing, KAERTNER L.S., STEINBORN M.B., KETTNER H., SPRIGGS M.J., ROSEMAN L., BUCHBORN T., BALAET M., TIMMERMANN C., ERRITZOE D., CARHARDT-HARRIS R.L. : Nature, 2021, 11, 1941 Doi : 1038/s41598-021-81446-7   Abstract Psychedelic microdosing describes the ingestion of near-threshold perceptible doses of classic psychedelic substances. Anecdotal reports and observational studies suggest that microdosing may promote positive mood and well-being, but recent placebo-controlled studies failed to find compelling evidence for this. The present study collected web-based mental health and related data using a prospective (before, during and after) design. Individuals planning a weekly microdosing regimen completed surveys at strategic [...]

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Changes in inflammatory biomarkers are related to the antidepressant effects of Ayahuasca, Nicole Leite Galvão-Coelho et al., 2020

Changes in inflammatory biomarkers are related to the antidepressant effects of Ayahuasca Nicole Leite Galvão-Coelho, Ana Cecília de Menezes Galvão, Raíssa Nóbrega de Almeida, Fernanda Palhano-Fontes, Isaac Campos Braga, Bruno Lobão Soares, João Paulo Maia-de-Oliveira, Daniel Perkins, Jerome Sarris and Draulio Barros de Araujo Journal of Psychopharmacology, 2020, 1-9. DOI : 10.1177/0269881120936486   Abstract Background : Ayahuasca is a traditional Amazon brew and its potential antidepressant properties have recently been explored in scientific settings. We conducted a double-blind placebo-controlled trial of ayahuasca with treatment-resistant depression patients (n = 28) and healthy controls (n = 45). Aims : We are evaluating the blood inflammatory biomarkers: C-reactive protein and [...]

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Reviewing the Potential of Psychedelics for the Treatment of PTSD, Erwin Krediet et al., 2020

Reviewing the Potential of Psychedelics for the Treatment of PTSD Erwin Krediet, Tijmen Bostoen, Joost Breeksema, Annette van Schagen, Torsten Passie, Eric Vermetten International Journal of Neuropsychopharmacology, 2020, 23, (6), 385–400 doi : 10.1093/ijnp/pyaa018 https://pubmed.ncbi.nlm.nih.gov/32170326/   Abstract There are few medications with demonstrated efficacy for the treatment of posttraumatic stress disorder (PTSD). Treatment guidelines have unequivocally designated psychotherapy as a first line treatment for PTSD. Yet, even after psychotherapy, PTSD often remains a chronic illness, with high rates of psychiatric and medical comorbidity. Meanwhile, the search for and development of drugs with new mechanisms of action has stalled. Therefore, there is an urgent need to explore not [...]

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PTSD as a mediator of the relationship between trauma and psychotic experiences, Daniela Strelchuk et al, 2020

PTSD as a mediator of the relationship between trauma and psychotic experiences Daniela Strelchuk, Gemma Hammerton, Nicola Wiles, Jazz Croft, Katrina Turner, Jonathan Heron and Stanley Zammit Psychological Medicine, 2020, 1–9. doi : 10.1017/S0033291720004821   Abstract Background : Traumatic experiences are associated with a higher risk of psychotic illnesses, but little is known about potentially modifiable mechanisms underlying this relationship. This study aims to examine whether post-traumatic stress disorder (PTSD) symptoms mediate the relationship between trauma and psychotic experiences (PEs). Methods : We used data from the Avon Longitudinal Study of Parents and Children to examine whether: PTSD symptoms mediate the relationships between (a) childhood trauma and [...]

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The potential synergistic effects between psychedelic administration and nature contact for the improvement of mental health, Sam Gandy et al, 2020

The potential synergistic effects between psychedelic administration and nature contact for the improvement of mental health Sam Gandy, Matthias Forstmann, Robin Lester Carhart-Harris, Christopher Timmermann, David Luke and Rosalind Watts Health Psychology Open, 2020, 1–21 Doi : 10.1177/2055102920978123   Abstract Therapeutic psychedelic administration and contact with nature have been associated with the same psychological mechanisms : decreased rumination and negative affect, enhanced psychological connectedness and mindfulness related capacities, and heightened states of awe and transcendent experiences, all processes linked to improvements in mental health amongst clinical and healthy populations. Nature-based settings can have inherently psychologically soothing properties which may complement all stages of psychedelic therapy (mainly [...]

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Mind Menders: The Future of Psychedelics for Mental Illness, Batya Swift Yasgur, Medscape.com, 2020

Mind Menders: The Future of Psychedelics for Mental Illness Batya Swift Yasgur MA, LSW Medscape.com, November 10, 2020 https://www.medscape.com/viewarticle/940749?nlid=138288_425&src=WNL_mdplsfeat_201117_mscpedit_psyc&uac=292598PZ&spon=12&impID=2682236&faf=1   After a 50-year hiatus, psychedelic drugs are undergoing a research renaissance. Agents including psilocybin, methylenedioxymethamphetamine (MDMA), and others are all under investigation to treat a variety of psychiatric illnesses. Medscape spoke with Roland R. Griffiths, professor in the Departments of Psychiatry and Neuroscience and the Oliver Lee McCabe III Professor in the Neuropsychopharmacology of Consciousness, and director of the Center for Psychedelic and Consciousness Research at Johns Hopkins University, Baltimore, Maryland, to discuss the status of these drugs in the United States and their therapeutic potential. Griffiths: Classic psychedelics are [...]

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De la découverte des champignons à psilocybine à la renaissance psychédélique, Vincent Verroust, 2018

De la découverte des champignons à psilocybine à la renaissance psychédélique Vincent Verroust Actes du colloque «Sacré végétal - Metz, 8 septembre 2018» Ethnopharmacologia, 2019, n°61, 8-17.   Résumé Les substances psychédéliques sont des molécules psychoactives dont les propriétés psychiques n’ont été découvertes et investiguées que relativement récemment dans l’histoire des sciences biomédicales. Nous retracerons l’histoire de la découverte des champignons divinatoires du Mexique et des recherches thérapeutiques qu’elle a suscitées, depuis les années 1950, avec les observations ethnographiques et les collectes des époux Wasson, jusqu’à la « renaissance psychédélique », qui caractérise ces deux dernières décennies marquées par le regain d’intérêt porté à ces substances [...]

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The experimental effects of psilocybin on symptoms of anxiety and depression : A meta-analysis, Simon B. Goldberg et al, 2020

The experimental effects of psilocybin on symptoms of anxiety and depression : A meta-analysis Simon B. Goldberg, Brian T. Pace, Christopher R. Nicholas, Charles L. Raison, Paul R. Hutson Psychiatry Research, 2020, 284,  112749 Doi : 10.1016/j.psychres.2020.112749   A B S T R A C T The current meta-analysis examined the effects of psilocybin in combination with behavioral interventions on anxiety and depression in samples with elevated symptoms. Across four studies (one uncontrolled; three randomized, placebo-controlled; N = 117), within-group pre-post and pre-follow-up effects on anxiety and depression were large (Hedges’ gs=1.16 to 1.47) and statistically significant. Across three placebo-controlled studies, pre-post placebo-controlled effects were also [...]

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