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https://www.readbyqxmd.com/read/29883950/understanding-emerging-forms-of-cannabis-use-through-an-online-cannabis-community-an-analysis-of-relative-post-volume-and-subjective-highness-ratings
#1
Meredith C Meacham, Michael J Paul, Danielle E Ramo
BACKGROUND: Legalization of medical and recreational cannabis has coincided with an increase in novel forms of cannabis use and a burgeoning cannabis product industry. This research seeks to understand the occurrence of discussions about these emerging and traditional forms of use in an online social media discussion forum. METHODS: We analyzed posts to a cannabis-specific forum on the Reddit social media platform posted from January 2010-December 2016. For each of various keywords describing smoking, vaping, edibles, dabbing, and butane hash oil (BHO) concentrate use, we analyzed (1) relative prevalence of posts mentioning these cannabis forms of use; (2) user-reported subjective ratings of "highness" on a scale of 1-10; (3) the ten most common words mentioned in posts; and (4) the frequency of adverse health effect terms...
July 1, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29843862/multiresidue-method-of-analysis-of-pesticides-in-medical-cannabis
#2
Jonathan R Moulins, Michel Blais, Kim Montsion, Josee Tully, William Mohan, Mathieu Gagnon, Tyler McRitchie, Keri Kwong, Neil Snider, David R Blais
Three related analytical methods were developed and validated for the determination of pesticides in cannabisleaves, dried cannabis flowers, and cannabis oil. The methods follow the generic sequence of an acetonitrile extraction, followed by solid-phase extraction cleanup and analysis by HPLC-tandem mass spectrometry (HPLC-MS/MS), GC-MS/MS, and GC-MS. These methods were developed to accommodate sample quantity and lipid content of the different matrices. Validation at a spiking level of 0.01 μg/g was successful for 39 pesticides in cannabis leaves and 40 pesticides in cannabis oil, and at 0...
May 29, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29786144/self-initiated-use-of-topical-cannabidiol-oil-for-epidermolysis-bullosa
#3
Malcolm P Chelliah, Zachary Zinn, Phoung Khuu, Joyce M C Teng
Epidermolysis bullosa is a rare blistering skin disorder that is challenging to manage because skin fragility and repeated wound healing cause itching, pain, limited mobility, and recurrent infections. Cannabidiol, an active cannabinoid found in cannabis, is postulated to have antiinflammatory and analgesic effects. We report 3 cases of self-initiated topical cannabidiol use in patients with epidermolysis bullosa in an observational study. One patient was weaned completely off oral opioid analgesics. All 3 reported faster wound healing, less blistering, and amelioration of pain with cannabidiol use...
May 22, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29766748/medical-cannabis-for-pediatric-moderate-to-severe-complex-motor-disorders
#4
Stephanie Libzon, Lihi Bar-Lev Schleider, Naama Saban, Luda Levit, Yulia Tamari, Ilan Linder, Tally Lerman-Sagie, Lubov Blumkin
A complex motor disorder is a combination of various types of abnormal movements that are associated with impaired quality of life (QOL). Current therapeutic options are limited. We studied the efficacy, safety, and tolerability of medical cannabis in children with complex motor disorder. This pilot study was approved by the institutional ethics committee. Two products of cannabidiol (CBD) enriched 5% oil formulation of cannabis were compared: one with 0.25% δ-9-tetrahydrocannabinol (THC) 20:1 group, the other with 0...
January 1, 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29718956/a-reliable-and-validated-lc-ms-ms-method-for-the-simultaneous-quantification-of-4-cannabinoids-in-40-consumer-products
#5
Qingfang Meng, Beth Buchanan, Jonathan Zuccolo, Mathieu-Marc Poulin, Joseph Gabriele, David Charles Baranowski
In the past 50 years, Cannabis sativa (C. sativa) has gone from a substance essentially prohibited worldwide to one that is gaining acceptance both culturally and legally in many countries for medicinal and recreational use. As additional jurisdictions legalize Cannabis products and the variety and complexity of these products surpass the classical dried plant material, appropriate methods for measuring the biologically active constituents is paramount to ensure safety and regulatory compliance. While there are numerous active compounds in C...
2018: PloS One
https://www.readbyqxmd.com/read/29674131/efficacy-of-cbd-enriched-medical-cannabis-for-treatment-of-refractory-epilepsy-in-children-and-adolescents-an-observational-longitudinal-study
#6
Moran Hausman-Kedem, Shay Menascu, Uri Kramer
The objective of this observational study was to evaluate the efficacy of medical cannabis for the treatment of refractory epilepsy. Fifty-seven patients (age 1-20 years) with epilepsy of various etiologies were treated with Cannabis oil extract (CBD/THC ratio of 20:1) for at least 3 months (Median follow up time-18 months). Forty-Six Patients were included in the efficacy analysis. Average CBD dose was11.4 mg/kg/d. Twenty-six patients (56%) had ≤50% reduction in mean monthly seizure frequency. There was no statistically significant difference in response rate among various epilepsy etiologies, and cannabis strain used...
April 16, 2018: Brain & Development
https://www.readbyqxmd.com/read/29576792/cannabis-essential-oil-a-preliminary-study-for-the-evaluation-of-the-brain-effects
#7
Nadia Gulluni, Tania Re, Idalba Loiacono, Giovanni Lanzo, Luigi Gori, Claudio Macchi, Francesco Epifani, Nicola Bragazzi, Fabio Firenzuoli
We examined the effects of essential oil from legal (THC <0.2% w/v) hemp variety on the nervous system in 5 healthy volunteers. GC/EIMS and GC/FID analysis of the EO showed that the main components were myrcene and β -caryophyllene. The experiment consisted of measuring autonomic nervous system (ANS) parameters; evaluations of the mood state; and electroencephalography (EEG) recording before treatment, during treatment, and after hemp inhalation periods as compared with control conditions. The results revealed decreased diastolic blood pressure, increased heart rate, and significant increased skin temperature...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29509231/the-challenge-of-clinical-application-of-fm2-cannabis-oil-produced-in-italy-for-the-treatment-of-neuropathic-pain
#8
S Pichini, R Pacifici, F P Busardò, A Tagliabracci, R Giorgetti
No abstract text is available yet for this article.
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29500810/nutritional-value-of-commercial-protein-rich-plant-products
#9
Pirjo Mattila, Sari Mäkinen, Merja Eurola, Taina Jalava, Juha-Matti Pihlava, Jarkko Hellström, Anne Pihlanto
The goal of this work was to analyze nutritional value of various minimally processed commercial products of plant protein sources such as faba bean (Vicia faba), lupin (Lupinus angustifolius), rapeseed press cake (Brassica rapa/napus subsp. Oleifera), flaxseed (Linum usitatissimum), oil hemp seed (Cannabis sativa), buckwheat (Fagopyrum esculentum), and quinoa (Chenopodium quinoa). Basic composition and various nutritional components like amino acids, sugars, minerals, and dietary fiber were determined. Nearly all the samples studied could be considered as good sources of essential amino acids, minerals and dietary fiber...
March 2, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29429908/efficacy-of-artisanal-preparations-of-cannabidiol-for-the-treatment-of-epilepsy-practical-experiences-in-a-tertiary-medical-center
#10
Giulia S Porcari, Cary Fu, Emily D Doll, Emma G Carter, Robert P Carson
Medically refractory epilepsy continues to be a challenge worldwide, and despite an increasing number of medical therapies, approximately 1 in 3 patients continues to have seizures. Cannabidiol (CBD), one of many constituents of the Cannabis sativa or marijuana plant, has received renewed interest in the treatment of epilepsy. While highly purified CBD awaits Food and Drug Administration (FDA) approval, artisanal formulations of CBD are readily available and are seeing increased use in our patient population...
March 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29408718/detection-of-delta-9-tetrahydrocannabinol-thc-in-oral-fluid-blood-and-urine-following-oral-consumption-of-low-content-thc-hemp-oil
#11
Amie C Hayley, Luke A Downey, Glyn Hansen, Ashley Dowell, Dale Savins, Richard Buchta, Reinilda Catubig, Robert Houlden, Con K K Stough
Hemp-derivative (Cannabis sativa L.) food products containing trace levels of Δ-9-tetrahydrocannabinol (THC) are proposed for consumption in Australia and New Zealand; however, it is unclear whether use of these products will negatively affect existing drug screening protocols. This double-blind, within-subjects, cross-over trial assessed 35 adults (17 male; 18 female), aged 22-52 years [Mean=30.7, Standard Deviation (S.D)±7.6]. Low dose THC oil [5mL bearer sesame oil containing 10mg/kg THC (0.046mg THC per 5mL dose)]; high dose THC oil [5mL bearer sesame oil containing 20mg/kg THC (0...
March 2018: Forensic Science International
https://www.readbyqxmd.com/read/29362215/burns-from-illegal-cannabis-oil-manufacturing-a-case-series
#12
Sarthak Sinha, Kyle Ricord, Patricia Harasym, Jeff A Biernaskie, Duncan Nickerson, Vincent A Gabriel
BACKGROUND: The increasing consideration of cannabis legalization in Canada and the United States has motivated physicians to assess its prospective impact on the health care system. Health care providers in the burns community are concerned about injuries sustained as a result of the illegal manufacturing of cannabis oil because it involves highly flammable reagents. METHODS: We report a retrospective case series of patients with cannabis oil burns (identified by evidence of combustion during cannabis oil manufacturing) treated from April 2012 to March 2014 at the Foothills Medical Centre in Calgary, Alberta, Canada...
January 18, 2018: CMAJ Open
https://www.readbyqxmd.com/read/29317112/cannabinoid-disposition-after-human-intraperitoneal-use-an-insight-into-intraperitoneal-pharmacokinetic-properties-in-metastatic-cancer
#13
Catherine J Lucas, Peter Galettis, Shuzhen Song, Nadia Solowij, Stephanie E Reuter, Jennifer Schneider, Jennifer H Martin
BACKGROUND: Medicinal cannabis is prescribed under the provision of a controlled drug in the Australian Poisons Standard. However, multiple laws must be navigated in order for patients to obtain access and imported products can be expensive. Dose-response information for both efficacy and toxicity pertaining to medicinal cannabis is lacking. The pharmacokinetic properties of cannabis administered by traditional routes has been described but to date, there is no literature on the pharmacokinetic properties of an intraperitoneal cannabinoid emulsion...
January 6, 2018: Clinical Therapeutics
https://www.readbyqxmd.com/read/29317072/betacaryophyllene-a-phytocannabinoid-as-potential-therapeutic-modality-for-human-sepsis
#14
Angel Meza, Christian Lehmann
Sepsis is a clinical condition resulting from a dysregulated immune response to an infection that leads to organ dysfunction. Despite numerous efforts to optimize treatment, sepsis remains to be the main cause of death in most intensive care units. The endogenous cannabinoid system (ECS) plays an important role in inflammation. Cannabinoid receptor 2 (CB2R) activation is immunosuppressive, which might be beneficial during the hyper-inflammatory phase of sepsis. Beta-caryophyllene (BCP) is a non-psychoactive natural cannabinoid (phytocannabinoid) found in Cannabis sativa and in essential oils of spices and food plants, that acts as a selective agonist of CB2R...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29247961/comprehensive-quality-evaluation-of-medical-cannabis-sativa-l-inflorescence-and-macerated-oils-based-on-hs-spme-coupled-to-gc-ms-and-lc-hrms-q-exactive-orbitrap%C3%A2-approach
#15
Lorenzo Calvi, Daniela Pentimalli, Sara Panseri, Luca Giupponi, Fabrizio Gelmini, Giangiacomo Beretta, Davide Vitali, Massimo Bruno, Emanuela Zilio, Radmila Pavlovic, Annamaria Giorgi
There are at least 554 identified compounds in C. sativa L., among them 113 phytocannabinoids and 120 terpenes. Phytocomplex composition differences between the pharmaceutical properties of different medical cannabis chemotype have been attributed to strict interactions, defined as 'entourage effect', between cannabinoids and terpenes as a result of synergic action. The chemical complexity of its bioactive constituents highlight the need for standardised and well-defined analytical approaches able to characterise the plant chemotype, the herbal drug quality as well as to monitor the quality of pharmaceutical cannabis extracts and preparations...
February 20, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29202510/extraction-method-and-analysis-of-cannabinoids-in-cannabis-olive-oil-preparations
#16
Antonella Casiraghi, Gabriella Roda, Eleonora Casagni, Cecilia Cristina, Umberto Maria Musazzi, Silvia Franzè, Paolo Rocco, Claudia Giuliani, Gelsomina Fico, Paola Minghetti, Veniero Gambaro
Recently, an increasing number of pharmacists had to supply medicinal products based on Cannabis sativa L. (Cannabaceae), prescribed by physicians to individual patients. Cannabis olive oil preparation is the first choice as a concentrated extract of cannabinoids, even though standardized operative conditions for obtaining it are still not available. In this work, the impact of temperature and extraction time on the concentration of active principles was studied to harmonize the different compounding methods, optimize the extraction process, and reduce the variability among preparations...
March 2018: Planta Medica
https://www.readbyqxmd.com/read/29189144/therapeutic-use-of-%C3%AE-9-thc-and-cannabidiol-evaluation-of-a-new-extraction-procedure-for-the-preparation-of-cannabis-based-olive-oil
#17
Luca Morini, Giorgio Porro, Maurizio Liso, Angelo Groppi
BACKGROUND: Since 2013 Cannabis-based preparations, containing the two main cannabinoids of interest, Δ9-tetrahydrocannabinol (THC), and cannabidiol (CBD), can be used for therapeutic purposes, such as palliative care, neurodegenerative disorder treatment and other therapies. The preparations may consist of a drug partition in sachets, capsules or through the extraction in certified olive oil. OBJECTIVE: The aims of the study were: a) to develop and validate a new liquid chromatographictandem mass spectrometric (LC-MS/MS) method for the identification and quantification of THC and CBD in olive oil; b) to evaluate the extraction efficiency and reproducibility of a new commercial extractor on the market...
2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29182999/analysis-of-cannabinoids-in-commercial-hemp-seed-oil-and-decarboxylation-kinetics-studies-of-cannabidiolic-acid-cbda
#18
Cinzia Citti, Barbara Pacchetti, Maria Angela Vandelli, Flavio Forni, Giuseppe Cannazza
Hemp seed oil from Cannabis sativa L. is a very rich natural source of important nutrients, not only polyunsaturated fatty acids and proteins, but also terpenes and cannabinoids, which contribute to the overall beneficial effects of the oil. Hence, it is important to have an analytical method for the determination of these components in commercial samples. At the same time, it is also important to assess the safety of the product in terms of amount of any psychoactive cannabinoid present therein. This work presents the development and validation of a highly sensitive, selective and rapid HPLC-UV method for the qualitative and quantitative determination of the main cannabinoids, namely cannabidiolic acid (CBDA), tetrahydrocannabinolic acid (THCA), cannabidiol (CBD), tetrahydrocannabinol (THC), cannabinol (CBN), cannabigerol (CBG) and cannabidivarin (CBDV), present in 13 commercial hemp seed oils...
February 5, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29057480/cannabinoids-concentration-variability-in-cannabis-olive-oil-galenic-preparations
#19
Chiara Carcieri, Cristina Tomasello, Marco Simiele, Amedeo De Nicolò, Valeria Avataneo, Luca Canzoneri, Jessica Cusato, Giovanni Di Perri, Antonio D'Avolio
OBJECTIVES: Knowledge of the exact concentration of active compounds in galenic preparations is crucial to be able to ensure their quality and to properly administer the prescribed dose. Currently, the need for titration of extracts is still debated. Considering this, together with the absence of a standard preparation method, the aim of this study was to evaluate cannabinoids concentrations variability in galenic olive oil extracts, to evaluate the interlot and interlaboratory variability in the extraction yield and in the preparation composition...
January 2018: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29044015/-argentina-enacts-first-law-on-medical-use-of-the-cannabis-plant-history-and-perspectives
#20
Eduardo L De Vito
In the last few years, great expectations have risen in the society concerning the eventual therapeutic usefulness of compounds derived from the cannabis plant. It is well known that these compounds are being used in treating certain health conditions, either through medical prescription or self-administration. Extreme opinions range from believing that it is a harmful and dangerous drug to sustaining that it is a panacea. However, the sheer existence of an endocannabinoid system in the brain compels us to study its dimensions and derivations thoroughly...
2017: Medicina
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