Catégorie : Pharmacologie

Safety and Efficacy of Medical Cannabis Oil for Behavioral and Psychological Symptoms of Dementia : An-Open Label, Add-On, Pilot Study, A. Shelef et al., 2016

Safety and Efficacy of Medical Cannabis Oil for Behavioral and Psychological Symptoms of Dementia : An-Open Label, Add-On, Pilot Study Shelef A., Barak Y., Berger U., Paleacu D., Tadger S., Plopsky I., Baruch Y. Journal of Alzheimer's Disease, 2016, 51, 1, 15-19. DOI: 10.3233/JAD-150915   BACKGROUND : Tetrahydrocannabinol (THC) is a potential treatment for Alzheimer's disease (AD). OBJECTIVE : To measure efficacy and safety of medical cannabis oil (MCO) containing THC as an add-on to pharmacotherapy, in relieving behavioral and psychological symptoms of dementia (BPSD). METHODS : Eleven AD patients were recruited to an open label, 4 weeks, prospective trial. RESULTS : Ten patients completed the trial. Significant reduction [...]

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Amyloid proteotoxicity initiates an inflammatory response blocked by cannabinoids, Antonio Currais et al., 2016

Amyloid proteotoxicity initiates an inflammatory response blocked by cannabinoids Antonio Currais, Oswald Quehenberger, Aaron M Armando, Daniel Daugherty, Pam Maher and David Schubert NPJ, Aging and Mechanisms of Disease, 2016, 2, 16012; doi:10.1038/npjamd.2016.12; published online 23 June 2016 Nature Partner Journals;  www.nature.com/npjamd   Abstract : The beta amyloid (Aβ) and other aggregating proteins in the brain increase with age and are frequently found within neurons. The mechanistic relationship between intracellular amyloid, aging and neurodegeneration is not, however, well understood. We use a proteotoxicity model based upon the inducible expression of Aβ in a human central nervous system nerve cell line to characterize a distinct form of nerve [...]

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Antidepressant-Like and Anxiolytic-Like Effects of Cannabidiol : A Chemical Compound of Cannabis sativa, Alexandre R. de Mello Schier, et al., 2014

Antidepressant-Like and Anxiolytic-Like Effects of Cannabidiol : A Chemical Compound of Cannabis sativa Alexandre R. de Mello Schier, Natalia P. de Oliveira Ribeiro, Danielle S. Coutinho, Sergio Machado, Oscar Arias-Carrión, José A. Crippa, Antonio W. Zuardi, Antonio E. Nardi and Adriana C. Silva CNS & Neurological Disorders - Drug Targets, 2014, 13, 953-960 Abstract : Anxiety and depression are pathologies that affect human beings in many aspects of life, including social life, productivity and health. Cannabidiol (CBD) is a constituent non-psychotomimetic of Cannabis sativa with great psychiatric potential, including uses as an antidepressant-like and anxiolytic-like compound. The aim of this study is to review [...]

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An Update of Current Cannabis-Based Pharmaceuticals in Pain Medicine, Ivan Urits, 2019

An Update of Current Cannabis-Based Pharmaceuticals in Pain Medicine Ivan Urits, Matthew Borchart, Morgan Hasegawa, Justin Kochanski, Vwaire Orhurhu, Omar Viswanath Pain and Therapy, 2019, https://link.springer.com/article/10.1007/s40122-019-0114-4 https://doi.org/10.6084/m9.figshare.7619327   ABSTRACT : Cannabis users have long reported therapeutic properties of the plant for a variety of conditions, some of which include nausea, emesis, seizures, cancer, neurogenic diseases and pain control. Research has elucidated many cannabinoid pharmacodynamic and pharmacokinetic properties, expanding the potential use of cannabinoids as a medical therapy. Due to the inconsistent delivery and control of the active components involved with smoking, pharmaceutical companies are investigating and prioritizing routes other than smoke inhalation for therapeutic use of cannabinoids. In [...]

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The dual neuroprotective– neurotoxic profile of cannabinoid drugs, Yosef Sarne et al., 2011,

The dual neuroprotective– neurotoxic profile of cannabinoid drugs Yosef Sarne, Fadi Asaf, Miriam Fishbein, Mikhal Gafni and Ora Keren British Journal of Pharmacology, 2011, 163, 1391–1401 DOI:10.1111/j.1476-5381.2011.01280.x www.brjpharmacol.org   Abstract : Extensive in vitro and in vivo studies have shown that cannabinoid drugs have neuroprotective properties and suggested that the endocannabinoid system may be involved in endogenous neuroprotective mechanisms. On the other hand, neurotoxic effects of cannabinoids in vitro and in vivo were also described. Several possible explanations for these dual, opposite effects of cannabinoids on cellular fate were suggested, and it is conceivable that various factors may determine the final outcome of the cannabinoid effect in vivo. [...]

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Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects, Ethan B Russo, 2011

Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects Ethan B Russo British Journal of Pharmacology, 2011, 163, 7, 1344–1364. doi:10.1111/j.1476-5381.2011.01238.x Abstract Tetrahydrocannabinol (THC) has been the primary focus of cannabis research since 1964, when Raphael Mechoulam isolated and synthesized it. More recently, the synergistic contributions of cannabidiol to cannabis pharmacology and analgesia have been scientifically demonstrated. Other phytocannabinoids, including tetrahydrocannabivarin, cannabigerol and cannabichromene, exert additional effects of therapeutic interest. Innovative conventional plant breeding has yielded cannabis chemotypes expressing high titres of each component for future study. This review will explore another echelon of phytotherapeutic agents, the cannabis terpenoids: limonene, myrcene, α-pinene, linalool, β-caryophyllene, caryophyllene [...]

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The pharmacological properties of cannabis, Istok Nahtigal et al., 2016

The pharmacological properties of cannabis Istok Nahtigal,  Alexia Blake, Andrew Hand,  Angelique Florentinus-Mefailoski,  Haleh Hashemi,  and Jeremy Friedberg Journal of Pain Management, 2016, 9, 4, 481-491 https://www.researchgate.net/publication/316545895 Abstract : The efforts to understand the nature of how the consumption of cannabis affects the human body are ongoing, complex, and multifaceted. Documentation on the use of cannabis dates back thousands of years; however, it is only now with the recent softening of legal restrictions that modern research approaches have been able to initiate an appropriate level of detailed investigations. For clinicians, researchers and policy makers, this chapter reviews the general structure of cannabinoids, the current understanding [...]

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Anti-excitotoxic effects of cannabidiol are partly mediated by enhancement of NCX2 and NCX3 expression in animal model of cerebral ischemia, Sepideh Khaksar, Mohammad Reza Bigdeli, 2017

Anti-excitotoxic effects of cannabidiol are partly mediated by enhancement of NCX2 and NCX3 expression in animal model of cerebral ischemia Sepideh Khaksar, Mohammad Reza Bigdeli European Journal of Pharmacology, 2017, 794, 270-279 DOI : 10.1016/j.ejphar.2016.11.011   A B S T R A C T Excitotoxicity and imbalance of sodium and calcium homeostasis trigger pathophysiologic processes in cerebral ischemia which can accelerate neuronal death. Neuroprotective role of cannabidiol (CBD), one of the main nonpsychoactive phytocannabinoids of the cannabis plant, has attracted attention of many researchers in the neurodegenerative diseases studies. The present investigation was designed to determine whether cannabidiol can alleviate the severity of ischemic damages and [...]

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The pharmacokinetics and the pharmacodynamics of cannabinoids, Catherine J. Lucas, 2018

The pharmacokinetics and the pharmacodynamics of cannabinoids Catherine J. Lucas, Peter Galettis and Jennifer Schneider British Journal of Clinical Pharmacology, 2018, 84, 2477–2482 DOI:10.1111/bcp.13710   Abstract : There is increasing interest in the use of cannabinoids for disease and symptom management, but limited information available regarding their pharmacokinetics and pharmacodynamics to guide prescribers. Cannabis medicines contain a wide variety of chemical compounds, including the cannabinoids delta-9-tetrahydrocannabinol (THC), which is psychoactive, and the nonpsychoactive cannabidiol (CBD). Cannabis use is associated with both pathological and behavioural toxicity and, accordingly, is contraindicated in the context of significant psychiatric, cardiovascular, renal or hepatic illness. The pharmacokinetics of cannabinoids and the [...]

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Endocannabinoid-Mediated Control of Synaptic Transmission, Masanobu KANO et al., 2009

Endocannabinoid-Mediated Control of Synaptic Transmission Masanobu KANO, Takako OHNO-SHOSAKU, Yuki HASHIMOTODANI, Motokazu UCHIGASHIMA, and Masahiko WATANABE Physiological Reviews, 2009, 89, 1, 309-380. https://doi.org/10.1152/physrev.00019.2008 I. Introduction 310 II. Cannabinoid Receptors 311 A. CB1 receptor 311 B. CB2 receptor 315 C. “CB3” receptor 315 D. TRPV1 receptor 317 E. GPR55 receptor 317 III. CB1 Receptor Signaling 317 A. Intracellular signaling pathways 317 B. Suppression of transmitter release 318 C. Morphological changes 318 IV. Biochemistry of Endocannabinoids 318 A. Endocannabinoids 318 B. Biosynthesis of anandamide 319 C. Biosynthesis of 2-AG 320 D. Degradation of endocannabinoids 321 E. Endocannabinoid transport 321 F. Lipid raft 322 V. Endocannabinoid-Mediated Short-Term Depression 322 A. Endocannabinoid as a retrograde messenger 322 B. eCB-STD in various brain regions 324 C. Mechanisms of ecb-std 334 VI. [...]

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