Le Cannabidiol, l’autre canabinoïde présent dans le cannabis : une piste thérapeutique prometteuse? Traiter la dépendance avec du cannabidiol ? Si peu d’études ont pour l’heure été menées chez l’Homme, l’idée fait son chemin... et inspire les instigateurs d’une étude-pilote «CANNAVAP». Grégoire Cleirec et Pierre Poloméni Publié le 20 Mai 2019 par : Revue SWAPS n°90, "Du Cannabis Thérapeutique à la Régulation". http://vih.org/20190520/cannabidiol-lautre-canabinoide-present-cannabis-piste-therapeutique-prometteuse/141891 L’Agence nationale de sécurité du médicament (ANSM) a annoncé récemment la création d’un comité scientifique spécialisé sur «l’évaluation de la pertinence et de la faisabilité de la mise à disposition du cannabis thérapeutique en France». Une façon de combler notre retard. À [...]
Lire la suiteEffects of Cannabidiol and a Novel Cannabidiol Analog against Tactile Allodynia in a Murine Model of Cisplatin-Induced Neuropathy: Enhanced Effects of Sub-Analgesic Doses of Morphine Hannah Marie Harris, Waseem Gul, Mahmoud A. ElSohly, Kenneth J. Sufka Medical Cannabis and Cannabinoids, 2018, 1, 54–59 Preclinical Science and Clinical Studies – Research Article DOI: 10.1159/000489077 Abstract Objective : This research examined whether a cannabidiol (CBD)-opioid pharmacotherapy could attenuate cisplatin-induced tactile allodynia. Methods : Mice (C57BL/6) were given 6 doses of 2.3 mg/kg cisplatin intraperitoneally (IP) on alternating days to induce tactile allodynia as quantified using an electric von Frey (eVF). Test groups in Experiment 1 received either vehicle, 0.1 [...]
Lire la suiteHuman Pharmacokinetics and Adverse Effects of Pulmonary and Intravenous THC-CBD Formulations Pascale Meyer, Manuela Langos, Rudolf Brenneisen Medical Cannabis and Cannabinoids, 2018, 1, 36–43 Preclinical Science and Clinical Studies – Research Article DOI: 10.1159/000489034 Abstract Background : Due to variable absorption and extensive firstpass metabolism, the bioavailability of oral delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) is low, and, therefore, alternative application forms are necessary. Methods : In an open-label, 2-period phase-1 study on 11 healthy volunteers, a combination of THC and CBD was compared by pulmonary (inh) and intravenous (iv) application. The liquid aerosol was produced by an in vitro validated pressurized metered-dose inhaler (pMDI) device, releasing 41–44% [...]
Lire la suiteExtractions of Medical Cannabis Cultivars and the Role of Decarboxylation in Optimal Receptor Responses Melissa M. Lewis-Bakker, Yi Yang, Rupali Vyawahare, and Lakshmi P. Kotra Cannabis and Cannabinoid Research, 2019, Volume X, Number X, 2019 Mary Ann Liebert, Inc. DOI: 10.1089/can.2018.0067 Abstract Introduction : Phytocannabinoids, characteristic compounds produced by medical cannabis, interact with cannabinoid (CB) receptors (CB1 and CB2) as well as other receptor systems to exhibit their corresponding pharmacological effects. In their natural form, CBs such as D9-tetrahydrocannabinolic acid and cannabidiolic acid are inactive at these receptors, while their decarboxylated forms (D9 tetrahydrocannabinol and cannabidiol, respectively) are potent ligands at CB receptors. Thus, extraction and [...]
Lire la suiteCBD Gel Promising for Fragile X Syndrome Megan Brooks Medscape, 2019 https://www.medscape.com/viewarticle/913267?nlid=129947_2052&src=WNL_mdplsnews_190524_mscpedit_psyc&uac=292598PZ&spon=12&impID=1974025&faf=1 SAN FRANSICO — A clear transdermal cannabidiol (CBD) gel (ZYN002, Zynerba Pharmaceuticals) improved emotional and behavioral symptoms experienced by children and adolescents with fragile X syndrome in a phase 2 open-label study, the company reports. ZYN002 met its primary endpoint, with patients demonstrating a 46% improvement in the total score on the Anxiety, Depression, and Mood Scale (ADAMS) at week 12 compared to baseline. ZYN002 also led to meaningful improvements in all measures of the Aberrant Behavior Checklist for Fragile X (ABC-FXS), which addresses the key symptoms of fragile X syndrome, including social avoidance, [...]
Lire la suiteThe Trouble with CBD Oil Arno Hazekamp Medical Cannabis and Cannabinoids, 2018, 1, 65–72 DOI: 10.1159/000489287 Abstract In just a few years, cannabidiol (CBD) has become immensely popular around the world. After initially being discovered as an effective self-medication for Dravet syndrome in children, CBD is now sold and used to treat a wide range of medical conditions and lifestyle diseases. The cannabinoid CBD, a non psychoactive isomer of the more infamous tetrahydrocannabinol (THC), is available in a growing number of administration modes, but the most commonly known is CBD oil. There are currently dozens, if not hundreds, of producers and sellers of CBD oils [...]
Lire la suiteIndividual and combined effects of acute delta-9-tetrahydrocannabinol and cannabidiol on psychotomimetic symptoms and memory function Celia J. A. Morgan, Tom P. Freeman, Chandni Hindocha, Grainne Schafer, Chelsea Gardner and H. Valerie Curran Translational Psychiatry, 2018, 8, 181 DOI 10.1038/s41398-018-0191-x https://www.researchgate.net/publication/264860201 Abstract The main active ingredient in cannabis, delta-9-tetrahydrocannabinol (THC), can acutely induce psychotic symptoms and impair episodic and working memory. Another major constituent, cannabidiol (CBD), may attenuate these effects. This study aimed to determine the effects of THC and CBD, both alone and in combination on psychotic symptoms and memory function. A randomised, double-blind crossover design compared the effects of (i) placebo, (ii) THC 8mg, (iii) CBD [...]
Lire la suiteCannabinoid Delivery Systems for Pain and Inflammation Treatment Natascia Bruni, Carlo Della Pepa, Simonetta Oliaro-Bosso, Enrica Pessione, Daniela Gastaldi and Franco Dosio Molecules, 2018, 23, 2478 doi:10.3390/molecules23102478 www.mdpi.com/journal/molecules Abstract : There is a growing body of evidence to suggest that cannabinoids are beneficial for a range of clinical conditions, including pain, inflammation, epilepsy, sleep disorders, the symptoms of multiple sclerosis, anorexia, schizophrenia and other conditions. The transformation of cannabinoids from herbal preparations into highly regulated prescription drugs is therefore progressing rapidly. The development of such drugs requires well-controlled clinical trials to be carried out in order to objectively establish therapeutic efficacy, dose ranges and [...]
Lire la suiteCANNABIS ET CANNABIDIOL : Éléments de Compréhension Dr Sarah Lejczak La Lettre du RESPADD, 35, avril 2019 Depuis 5000 ans, le cannabis ruderalids, sativa ou indica est utilisé dans la pharmacopée humaine de manière informelle pour ses différentes propriétés antihémétiques, antiépileptiques, antispastiques, antalgiques, anxiolytiques, antihypertensives, etc. (1). Suite à son introduction dans l’arsenal pharmaceutique moderne au XIXème siècle et les dérives d’utilisation récréative au cours du XXème siècle, son utilisation a été interdite et reste très controversée de nos jours. Des extraits cannabinoïdes (2) (Delta-9-tetrahydrocannabinol (Δ-9-THC), cannabidiol (CBD) et cannabinol (CBN) majoritairement) de la plante ou fabriqués synthétiquement sont utilisés depuis 1985 en tant que médicaments. [...]
Lire la suiteOvercoming the Bell‐Shaped Dose‐Response of Cannabidiol by Using Cannabis Extract Enriched in Cannabidiol Ruth Gallily, Zhannah Yekhtin, Lumír Ondřej Hanuš Pharmacology & Pharmacy, 2015, 6, 75-85 http://dx.doi.org/10.4236/pp.2015.62010 Abstract : Cannabidiol (CBD), a major constituent of Cannabis, has been shown to be a powerful anti inflammatory and anti‐anxiety drug, without exerting a psychotropic effect. However, when given either intraperitoneally or orally as a purified product, a bell‐shaped dose‐response was observed, which limits its clinical use. In the present study, we have studied in mice the anti‐inflammatory and anti nociceptive activities of standardized plant extracts derived from the Cannabis sativa L., clone 202, which is highly enriched [...]
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