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Cannabidiol

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https://www.readbyqxmd.com/read/28501518/cannabidiol-in-medical-marijuana-research-vistas-and-potential-opportunities
#1
REVIEW
Carola Rong, Yena Lee, Nicole E Carmona, Danielle S Cha, Renee-Marie Ragguett, Joshua D Rosenblat, Rodrigo B Mansur, Roger C Ho, Roger S McIntyre
The high and increasing prevalence of medical marijuana consumption in the general population invites the need for quality evidence regarding its safety and efficacy. Herein, we synthesize extant literature pertaining to the phytocannabinoid cannabidiol (CBD) and its brain effects. The principle phytocannabinoid Δ(9)-tetrahydrocannabinol (Δ(9)-THC) and CBD are the major pharmacologically active cannabinoids. The effect of CBD on brain systems as well as on phenomenological measures (e.g. cognitive function) are distinct and in many cases opposite to that of Δ(9)-THC...
May 10, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28492950/psychoactive-constituents-of-cannabis-and-their-clinical-implications-a-systematic-review
#2
Cristina Casajuana, Hugo López-Pelayo, Mª Mercedes Balcells, Joan Colom, Antoni Gual
Objective This systematic review aims to summarize current evidence on which naturally present cannabinoids contribute to cannabis psychoactivity, considering their reported concentrations and pharmacodynamics in humans. Design Following PRISMA guidelines, papers published before March 2016 in Medline, Scopus-Elsevier, Scopus, ISI-Web of Knowledge and COCHRANE, and fulfilling established a-priori selection criteria have been included. Results In 40 original papers, three naturally present cannabinoids (∆-9-Tetrahydrocannabinol, ∆-8-Tetrahydrocannabinol and Cannabinol) and one human metabolite (11-OH-THC) had clinical relevance...
April 12, 2017: Adicciones
https://www.readbyqxmd.com/read/28490996/cannabidiol-in-patients-with-intractable-epilepsy-due-to-tsc-a-possible-medication-but-not-a-miracle
#3
COMMENT
Katherine Nickels
No abstract text is available yet for this article.
March 2017: Epilepsy Currents
https://www.readbyqxmd.com/read/28479140/cannabidiol-administration-reduces-sublesional-cancellous-bone-loss-in-rats-with-severe-spinal-cord-injury
#4
Dehao Li, Lin Lin, Qingyi Meng, Kun Wang, Jiajia Wu, Hongda Yan
Patients with spinal cord injury (SCI) undergo severe loss of bone mineral below the level of lesion, and data on available treatment options after SCI is scarce. The aim of this work was to investigate the therapeutic effect of cannabidiol (CBD), a non-psychoactive cannabis, on sublesional bone loss in a rat model of SCI. The adult male rats were exposed to surgical transection of the cord and treated with CBD for consecutive 14 days. It was found that CBD treatment elevated the serum levels of osteocalcin, reduced the serum levels of collagen type I cross-linked C-telopeptide, and enhanced bone mineral density of tibiae and femurs...
May 4, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28463706/thc-and-cbd-in-blood-samples-and-seizures-in-norway-does-cbd-affect-thc-induced-impairment-in-apprehended-subjects
#5
Stine Marie Havig, Gudrun Høiseth, Maren Cecilie Strand, Ritva Anneli Karinen, Gerd-Wenche Brochmann, Dag Helge Strand, Liliana Bachs, Vigdis Vindenes
BACKGROUND AND AIMS: Several publications have suggested increasing cannabis potency over the last decade, which, together with lower amounts of cannabidiol (CBD), could contribute to an increase in adverse effects after cannabis smoking. Naturalistic studies on tetrahydrocannabinol (THC) and CBD in blood samples are, however, missing. This study aimed to investigate the relationship between THC- and CBD concentrations in blood samples among cannabis users, and to compare cannabinoid concentrations with the outcome of a clinical test of impairment (CTI) and between traffic accidents and non-accident driving under the influence of drugs (DUID)-cases...
April 15, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28461749/treatment-resistant-lennox-gastaut-syndrome-therapeutic-trends-challenges-and-future-directions
#6
REVIEW
Adam P Ostendorf, Yu-Tze Ng
Lennox-Gastaut syndrome is a severe, childhood-onset electroclinical syndrome comprised of multiple seizure types, intellectual and behavioral disturbances and characteristic findings on electroencephalogram of slow spike and wave complexes and paroxysmal fast frequency activity. Profound morbidity often accompanies a common and severe seizure type, the drop attack. Seizures often remain refractory, or initial treatment efficacy fades. Few individuals are seizure free despite the development of multiple generations of antiseizure medications over decades and high-level evidence on several choices...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28457059/cannabidiol-as-a-therapy-for-asia-syndrome-an-editorial-on-a-novel-study
#7
Daphna Katz, Yehuda Shoenfeld
No abstract text is available yet for this article.
February 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28457055/short-term-efficacy-of-cbd-enriched-hemp-oil-in-girls-with-dysautonomic-syndrome-after-human-papillomavirus-vaccination
#8
Beniamino Palmieri, Carmen Laurino, Maria Vadalà
BACKGROUND: Cannabidiol (CBD)-based treatments for several diseases, including Tourette's syndrome, multiple sclerosis, epilepsy, movement disorders and glaucoma, are proving to be beneficial and the scientific clinical background of the drug is continuously evolving. OBJECTIVES: To investigate the short-term effect of CBD-enriched hemp oil for relieving symptoms and improving the life quality (QOL) in young girls with adverse drug effects (ADRs) following human papillomavirus (HPV) vaccine...
February 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28454984/cannabidiol-treatment-for-refractory-seizures-in-sturge-weber-syndrome
#9
Emma H Kaplan, Elizabeth A Offermann, Jacqueline W Sievers, Anne M Comi
BACKGROUND: Sturge-Weber syndrome results in leptomeningeal vascular malformations, medically refractory epilepsy, stroke(s), and cognitive impairments. Cannabidiol, a cannabinoid without psychoactive properties, has been demonstrated in preclinical models to possibly have anticonvulsant, antioxidant, and neuroprotective actions. METHODS: Five subjects with Sturge-Weber syndrome brain involvement and treatment-resistant epilepsy were enrolled. Motor seizure frequency, quality of life, and adverse events were recorded from the eighth week of the pretreatment period, eight weeks after starting maintenance dose (week 14), and the most recent visit...
February 22, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28445853/cannabidiol-%C3%AE-9-tetrahydrocannabinol-interactions-on-acute-pain-and-locomotor-activity
#10
Stevie C Britch, Jenny L Wiley, Zhihao Yu, Brian H Clowers, Rebecca M Craft
BACKGROUND: Previous studies suggest that cannabidiol (CBD) may potentiate or antagonize Δ(9)-tetrahydrocannabinol's (THC) effects. The current study examined sex differences in CBD modulation of THC-induced antinociception, hypolocomotion, and metabolism. METHODS: In Experiment 1, CBD (0, 10 or 30mg/kg) was administered 15min before THC (0, 1.8, 3.2, 5.6 or 10mg/kg), and rats were tested for antinociception and locomotion 15-360min post-THC injection. In Experiments 2 and 3, CBD (30mg/kg) was administered 13h or 15min before THC (1...
June 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28445405/significant-tic-reduction-in-an-otherwise-treatment-resistant-patient-with-gilles-de-la-tourette-syndrome-following-treatment-with-nabiximols
#11
Ahmad Seif Kanaan, Ewgeni Jakubovski, Kirsten Müller-Vahl
Early anecdotal reports and preliminary studies suggested that cannabinoid-based medicines such as delta-9-tetrahydrocannabinol (THC) are effective in the treatment of Gilles de la Tourette syndrome (TS). We report a single case study of a patient with otherwise treatment-resistant TS successfully treated with nabiximols. Our patient was a 22-year-old male suffering from severe and complex TS. Treatment with nabiximols was commenced at a dose of 1 puff/day (= 100 μL containing 2.7 mg THC and 2.5 mg cannabidiol (CBD)) and slowly increased up to a dosage of 3 × 3 puffs/day (= 24...
April 26, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28434588/the-endocannabinoid-system-as-a-target-for-novel-anxiolytic-drugs
#12
REVIEW
Sachin Patel, Mathew N Hill, Joseph F Cheer, Carsten T Wotjak, Andrew Holmes
The endocannabinoid (eCB) system has attracted attention for its role in various behavioral and brain functions, and as a therapeutic target in neuropsychiatric disease states, including anxiety disorders and other conditions resulting from dysfunctional responses to stress. In this mini-review, we highlight components of the eCB system that offer potential 'druggable' targets for new anxiolytic medications, emphasizing some of the less well-discussed options. We discuss how selectively amplifying eCBs recruitment by interfering with eCB-degradation, via fatty acid amide hydrolase (FAAH) and monoacylglycerol lipase (MAGL), has been linked to reductions in anxiety-like behaviors in rodents and variation in human anxiety symptoms...
May 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28424834/effect-of-prior-foot-shock-stress-and-%C3%AE-9-tetrahydrocannabinol-cannabidiolic-acid-and-cannabidiol-on-anxiety-like-responding-in-the-light-dark-emergence-test-in-rats
#13
Erin M Rock, Cheryl L Limebeer, Gavin N Petrie, Lauren A Williams, Raphael Mechoulam, Linda A Parker
RATIONALE: Cannabis is commonly used by humans to relieve stress. OBJECTIVES AND METHODS: Here, we evaluate the potential of intraperitoneally (i.p.) administered Δ(9)-tetrahydrocannabiol (THC) and cannabidiolic acid (CBDA, the precursor of cannabidiol [CBD]) to produce dose-dependent effects on anxiety-like responding in the light-dark (LD) emergence test of anxiety-like responding in rats, when administered acutely or chronically (21 days). As well, we evaluate the potential of THC, CBDA, and CBD to reduce anxiogenic responding produced by foot shock (FS) stress 24 h prior to the LD test...
April 20, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28419252/sensitive-determination-of-cannabinoids-in-whole-blood-by-lc-ms-ms-after-rapid-removal-of-phospholipids-by-filtration
#14
Lambert K Sørensen, Jørgen B Hasselstrøm
Direct analysis of Δ9-tetrahydrocannabinol (THC) and other cannabinoids in crude acetonitrile extracts of whole blood by liquid chromatography-tandem mass spectrometry using pneumatically assisted electrospray ionization (LC-ESI-MS-MS) was subjected to pronounced ion suppression from co-eluting phospholipids (PLs). The interferences were mainly caused by the lysophosphatidylcholine and lysophosphatidylethanolamine classes of PLs. The PLs were easily removed from crude extracts by filtration through a sorbent with Lewis acid properties, which typically increased the THC and cannabinol (CBN) signal intensities by a factor of 5...
June 1, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28412920/neuropsychiatric-and-general-interactions-of-natural-and-synthetic-cannabinoids-with-drugs-of-abuse-and-medicines
#15
Ana Lucia Arellano, Esther Papaseit, Anna Romaguera, Marta Torrens, Magi Farré
Cannabis is the most widely used illicit drug. The two most important natural cannabinoids are delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). The THC content of cannabis has been increasing during the last years and recently appeared in the market a series of synthetic cannabinoids with potent agonist activity. Recreational users frequently combine cannabis with other drugs of abuse as alcohol, amphetamines and derivatives, nicotine and cocaine. In addition these subjects can be taking medicines for acute and chronic medical conditions...
April 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28412918/neurological-aspects-of-medical-use-of-cannabidiol
#16
Carmen Mannucci, Michele Navarra, Fabrizio Calapai, Elvira Ventura Spagnolo, Francesco Paolo Busardò, Roberto Da Cas, Francesca Menniti Ippolito, Gioacchino Calapai
BACKGROUND: Cannabidiol (CBD) is among the major secondary metabolites of Cannabis devoid of the delta-9-tetra-hydrocannabinol psychoactive effects. It is a resorcinol-based compound with a broad spectrum of potential therapeutic properties, including neuroprotective effects in numerous pathological conditions. CBD neuroprotection is due to its antioxidant and antiinflammatory activi-ties and the modulation of a large number of brain biological targets (receptors, channels) involved in the development and maintenance of neurodegenerative diseases...
April 13, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28397674/-self-medication-with-cannabidiol-oil-in-a-patient-with-primary-lateral-sclerosis
#17
Merete Karlsborg, Anette Kvindebjerg Christophersen, Caroline Pontoppidan, Jens Peter Kampmann
Many patients with neurological disorders have symptoms which are difficult to treat with conventional medication. In this case report we present a 40-year-old male patient with primary lateral sclerosis who used cannabidiol oil as therapy. We discuss the evidence of the effects of cannabidiol in the treatment of patients with neurological disease, and we raise the question: "Should patients who use illegal cannabis products as self-medication be diagnosed as drug abusers?"
February 13, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28392943/report-from-a-survey-of-parents-regarding-the-use-of-cannabidiol-medicinal-cannabis-in-mexican-children-with-refractory-epilepsy
#18
Carlos G Aguirre-Velázquez
Structured online surveys were used to explore the experiences of the parents of children with refractory epilepsy using medicinal cannabis in Mexico during September 2016. The surveys, which were completed in full, were reviewed, and 53 cases of children aged between 9 months and 18 years were identified. Of these, 43 cases (82%) were from Mexico and 10 (18%) were from Latin American countries. Of the 43 Mexican cases, the diagnoses were as follows: 20 cases (47%) had Lennox-Gastaut syndrome (LGS); 13 cases (30%) had unspecified refractory epilepsy (URE); 8 cases (19%) had West syndrome (WS); 1 case (2%) had Doose syndrome (DS); and 1 case (2%) had Ohtahara syndrome (OS)...
2017: Neurology Research International
https://www.readbyqxmd.com/read/28392768/cannabidiol-reduces-leukemic-cell-size-but-is-it-important
#19
Nikoletta Kalenderoglou, Tara Macpherson, Karen L Wright
The anti-cancer effect of the plant-derived cannabinoid, cannabidiol, has been widely demonstrated both in vivo and in vitro. However, this body of preclinical work has not been translated into clinical use. Key issues around this failure can be related to narrow dose effects, the cell model used and incomplete efficacy. A model of acute lymphoblastic disease, the Jurkat T cell line, has been used extensively to study the cannabinoid system in the immune system and cannabinoid-induced apoptosis. Using these cells, this study sought to investigate the outcome of those remaining viable cells post-treatment with cannabidiol, both in terms of cell size and tracking any subsequent recovery...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28392266/cannabinoids-as-hippocampal-network-administrators
#20
REVIEW
Carl R Lupica, Yuhan Hu, Orrin Devinsky, Alexander F Hoffman
Extensive pioneering studies performed in the hippocampus have greatly contributed to our knowledge of an endogenous cannabinoid system comprised of the molecular machinery necessary to process these endocannabinoid lipid messengers and their associated cannabinoid receptors. Moreover, a foundation of knowledge regarding the function of hippocampal circuits, and its role in supporting synaptic plasticity has facilitated our understanding of the roles cannabinoids play in the diverse behaviors in which the hippocampus participates in both normal and pathological states...
April 6, 2017: Neuropharmacology
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