Étiquette : antidépresseur

Cannabidiol induces rapid-acting antidepressant-like effects and enhances cortical 5-HT/glutamate neurotransmission : role of 5-HT1A receptors, Raquel Linge et al., 2016

Cannabidiol induces rapid-acting antidepressant-like effects and enhances cortical 5-HT/glutamate neurotransmission: role of 5-HT1A receptors Raquel Linge, Laura Jimenez-Sanchez, Leticia Campa, Fuencisla Pilar-Cuellar, Rebeca, Vidal, Angel Pazos, Albert Adell, Alvaro Diaz Neuropharmacology, 2016, 103, 16-26. doi : 10.1016/j.neuropharm.2015.12.017 Abstract Cannabidiol (CBD), the main non-psychotomimetic component of marihuana, exhibits anxiolytic-like properties in many behavioural tests, although its potential for treating major depression has been poorly explored. Moreover, the mechanism of action of CBD remains unclear. Herein, we have evaluated the effects of CBD following acute and chronic administration in the olfactory bulbectomy mouse model of depression (OBX), and investigated the underlying mechanism. For this purpose, we [...]

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Low-Dose Nitrous Oxide Shows Benefit for Resistant Depression, Batya Swift Yasgur, Medscape.com, 2021

Low-Dose Nitrous Oxide Shows Benefit for Resistant Depression Batya Swift Yasgur, MA, LSW Medscape.com, 2021 June 17, 2021 A 1-hour treatment with a low concentration of nitrous oxide, commonly known as "laughing gas," appears to relieve symptoms of treatment-resistant major depression (TRMD), with effects lasting as long as several weeks, new research suggests. In a trial with a crossover design, investigators randomly assigned 28 patients with severe TRMD to receive a single 1-hour inhalation of placebo or nitrous oxide once a month over a 3-month period. Participants received an inhalation of placebo; a 25% concentration of nitrous oxide; and a 50% concentration of nitrous oxide. Sessions were [...]

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A qualitative and quantitative account of patient’s experiences of ketamine and its antidepressant properties, Rachael L. Sumner et al., 2021

A qualitative and quantitative account of patient’s experiences of ketamine and its antidepressant properties Rachael L. Sumner, Emme Chacko, Rebecca McMillan, Meg J. Spriggs, Christie Anderson, James Chen, Amelia French, SungHun Jung, Akshaya Rajan, Gemma Malpas, John Hay, Rhys Ponton, Suresh D. Muthukumaraswamy and Frederick Sundram Journal of Psychopharmacology, 2021, 1-16 Doi : 10.1177/0269881121998321 Abstract Background : Ketamine is central to one of the most rapidly growing areas of neuroscientific research into novel treatments for depression. Limited research has indicated that the psychedelic properties of ketamine may play a role in its antidepressant effects. Aim : The aim of the current study was to explore the [...]

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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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Bibliographie : Cannabis et Cannabinoides en Psychiatrie, Docteur Christian Sueur, GRECC, décembre 2020

Bibliographie : Cannabis et Cannabinoides en Psychiatrie   Docteur Christian Sueur, GRECC, décembre 2020. (4e version, décembre 2020....)   1 - Généralités : 1 - 11 2 -Cannabinoïdes et anxiété : 12 3 - Cannabidiol anxiolytique : 13 - 15 4 - Cannabidiol antipsychotique : 16 - 21 5 - Cannabinoïdes et dépression : 22 - 28 6 - Cannabidiol antidépresseur : 29 7 - Cannabinoïdes et Sommeil : 30 - 31 8 - Cannabinoïdes et addiction au Cannabis : 32 - 39 9 - Cannabinoïdes et addictions (cocaine, opiacés, amphétamines, alcool, tabac) : 40 - 54 10 - Cannabinoides et syndrome de Gilles de la Tourette : 58 - 59 11 - Cannabinoides et Hyperactivité [...]

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Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder. A Randomized Clinical Trial, Alan K. Davis et al., 2020

Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder. A Randomized Clinical Trial Alan K. Davis, PhD; Frederick S. Barrett, PhD; Darrick G. May, MD; Mary P. Cosimano, MSW; Nathan D. Sepeda, BS; Matthew W. Johnson, PhD; Patrick H. Finan, PhD; Roland R. Griffiths, PhD JAMA Psychiatry, 2020, E1-E9. doi : 10.1001/jamapsychiatry.2020.3285   IMPORTANCE : Major depressive disorder (MDD) is a substantial public health burden, but current treatments have limited effectiveness and adherence. Recent evidence suggests that 1 or 2 administrations of psilocybin with psychological support produces antidepressant effects in patients with cancer and in those with treatment-resistant depression. OBJECTIVE : To investigate the effect of psilocybin [...]

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Antidepressive, anxiolytic, and antiaddictive effects of ayahuasca, psilocybin and lysergic acid diethylamide (LSD) : a systematic review of clinical trials published in the last 25 years, Raphael G. dos Santos et al., 2016

Antidepressive, anxiolytic, and antiaddictive effects of ayahuasca, psilocybin and lysergic acid diethylamide (LSD) : a systematic review of clinical trials published in the last 25 years Rafael G. dos Santos, Flávia L. Osório, José Alexandre S. Crippa, Jordi Riba, Antônio W. Zuardi and Jaime E. C. Hallak Therapeutic Advances in Psychopharmacology, 2016, Vol. 6, (3) 193–213 Doi : 10.1177/2045125316638008   Abstract : To date, pharmacological treatments for mood and anxiety disorders and for drug dependence show limited efficacy, leaving a large number of patients suffering severe and persistent symptoms. Preliminary studies in animals and humans suggest that ayahuasca, psilocybin and lysergic acid diethylamide (LSD) may have [...]

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Pharmacotherapy for the Treatment of Cannabis Use Disorder. A Systematic Review, Karli K. Kondo et al., 2020,

Pharmacotherapy for the Treatment of Cannabis Use Disorder. A Systematic Review Karli K. Kondo, PhD; Benjamin J. Morasco, PhD; Shannon M. Nugent, PhD; Chelsea K. Ayers, MPH; Maya E. O’Neil, PhD; Michele Freeman, MPH, and Devan Kansagara, MD, MCR Annals of Internal Medicine, 2020, 172, 398-412. doi : 10.7326/M19-1105   Background : Cannabis use disorder (CUD) is a growing concern, and evidence-based data are needed to inform treatment options. Purpose : To review the benefits and risks of pharmacotherapies for the treatment of CUD. Data Sources : MEDLINE, PsycINFO, Cochrane Database of Systematic Reviews, and clinical trial registries from inception through September 2019. Study Selection : Pharmacotherapy trials [...]

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Astrocytes in rapid ketamine antidepressant action, Matjaž Stenovec et al., 2020

Astrocytes in rapid ketamine antidepressant action Matjaž Stenovec, Baoman Li, Alexei Verkhratsky, Robert Zorec Neuropharmacology, 2020, 173, 108158 Doi : 10.1016/j.neuropharm.2020.108158   H I G H L I G H T S • Ketamine inhibits calcium signalling and enhances cAMP production in astroglia. • Ketamine suppresses exocytosis of gliosignalling molecules and Kir4.1. • Ketamine elevates cholesterol content in the plasmalemma specifically in astrocytes. A B S T R A C T Ketamine, a general anaesthetic and psychotomimetic drug, exerts rapid, potent and long-lasting antidepressant effect, albeit the cellular and molecular mechanisms of this action are yet to be discovered. Besides targeting neuronal NMDARs fundamental for synaptic transmission, ketamine affects the [...]

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Antidepressant mechanisms of ketamine: Focus on GABAergic inhibition, Bernhard Luscher et al., 2020

Antidepressant mechanisms of ketamine: Focus on GABAergic inhibition Bernhard Luscher, Mengyang Fenga, Sarah J. Jefferson Advances in Pharmacology, 2020 doi : 10.1016/bs.apha.2020.03.002   Contents 1. Introduction 3 2. Molecular targets of subanesthetic ketamine and its metabolites 6 3. Insights from ketamine indicate a key role for reduced GABAergic inhibition in the pathophysiology of major depression 7 3.1 Antidepressant efficacy of ketamine is controlled by imbalances between neural excitation and inhibition 7 3.2 Chronic imbalances of neural excitation and inhibition lead to homeostatic downregulation of glutamatergic synapses that compromises normal neuronal communication 9 3.3 Chronic imbalances between neural excitation and inhibition lead to defects in GABAergic inhibition that delimit spontaneous recovery from [...]

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