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Cannabis for neuropathic pain

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https://www.readbyqxmd.com/read/28885457/cannabis-constituent-synergy-in-a-mouse-neuropathic-pain-model
#1
Sherelle L Casey, Nicholas Atwal, Christopher W Vaughan
Cannabis and its psychoactive constituent Δ9-tetrahydrocannabinol (THC) have efficacy against neuropathic pain however, this is hampered by their side-effects. It has been suggested that co-administration with another major constituent cannabidiol (CBD) might enhance the analgesic actions of THC and minimise its deleterious side-effects. We examined the basis for this phytocannabinoid interaction in a mouse chronic constriction injury (CCI) model of neuropathic pain. Acute systemic administration of THC dose-dependently reduced CCI-induced mechanical and cold allodynia, but also produced motor incoordination, catalepsy and sedation...
September 1, 2017: Pain
https://www.readbyqxmd.com/read/28885454/attenuation-of-early-phase-inflammation-by-cannabidiol-prevents-pain-and-nerve-damage-in-rat-osteoarthritis
#2
Holly T Philpott, Melissa O'Brien, Jason J McDougall
Osteoarthritis (OA) is a multifactorial joint disease, which includes joint degeneration, intermittent inflammation, and peripheral neuropathy. Cannabidiol (CBD) is a non-euphoria producing constituent of cannabis that has the potential to relieve pain. The aim of this study was to determine if CBD is anti-nociceptive in OA, and whether inhibition of inflammation by CBD could prevent the development of OA pain and joint neuropathy. OA was induced in male Wistar rats (150-175g) by intra-articular injection of sodium monoiodoacetate (MIA; 3mg)...
September 1, 2017: Pain
https://www.readbyqxmd.com/read/28866904/a-selective-review-of-medical-cannabis-in-cancer-pain-management
#3
Alexia Blake, Bo Angela Wan, Leila Malek, Carlo DeAngelis, Patrick Diaz, Nicholas Lao, Edward Chow, Shannon O'Hearn
Insufficient management of cancer-associated chronic and neuropathic pain adversely affects patient quality of life. Patients who do not respond well to opioid analgesics, or have severe side effects from the use of traditional analgesics are in need of alternative therapeutic op-tions. Anecdotal evidence suggests that medical cannabis has potential to effectively manage pain in this patient population. This review presents a selection of representative clinical studies, from small pilot studies conducted in 1975, to double-blind placebo-controlled trials conducted in 2014 that evaluated the efficacy of cannabinoid-based therapies containing tetrahydrocannabinol (THC) and cannabidiol (CBD) for reducing cancer-associated pain...
August 23, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28861505/the-use-of-cannabis-for-headache-disorders
#4
REVIEW
Bryson C Lochte, Alexander Beletsky, Nebiyou K Samuel, Igor Grant
Headache disorders are common, debilitating, and, in many cases, inadequately managed by existing treatments. Although clinical trials of cannabis for neuropathic pain have shown promising results, there has been limited research on its use, specifically for headache disorders. This review considers historical prescription practices, summarizes the existing reports on the use of cannabis for headache, and examines the preclinical literature exploring the role of exogenous and endogenous cannabinoids to alter headache pathophysiology...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/28857069/the-endogenous-cannabinoid-system-a-budding-source-of-targets-for-treating-inflammatory-and-neuropathic-pain
#5
Giulia Donvito, Sara R Nass, Jenny L Wilkerson, Zachary A Curry, Lesley D Schurman, Steven G Kinsey, Aron H Lichtman
A great need exists for the development of new medications to treat pain resulting from various disease states and types of injury. Given that the endogenous cannabinoid (ie, endocannabinoid) system modulates neuronal and immune cell function, both of which play key roles in pain, therapeutics targeting this system hold promise as novel analgesics. Potential therapeutic targets include the cannabinoid receptors, type 1 and 2, as well as biosynthetic and catabolic enzymes of the endocannabinoids N-arachidonoylethanolamine and 2-arachidonoylglycerol...
August 31, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28806817/the-effects-of-cannabis-among-adults-with-chronic-pain-and-an-overview-of-general-harms-a-systematic-review
#6
REVIEW
Shannon M Nugent, Benjamin J Morasco, Maya E O'Neil, Michele Freeman, Allison Low, Karli Kondo, Camille Elven, Bernadette Zakher, Makalapua Motu'apuaka, Robin Paynter, Devan Kansagara
Background: Cannabis is increasingly available for the treatment of chronic pain, yet its efficacy remains uncertain. Purpose: To review the benefits of plant-based cannabis preparations for treating chronic pain in adults and the harms of cannabis use in chronic pain and general adult populations. Data Sources: MEDLINE, Cochrane Database of Systematic Reviews, and several other sources from database inception to March 2017. Study Selection: Intervention trials and observational studies, published in English, involving adults using plant-based cannabis preparations that reported pain, quality of life, or adverse effect outcomes...
September 5, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28730896/cannabinoid-hyperemesis-syndrome-potential-mechanisms-for-the-benefit-of-capsaicin-and-hot-water-hydrotherapy-in-treatment
#7
John R Richards, Jeff M Lapoint, Guillermo Burillo-Putze
INTRODUCTION: Cannabinoid hyperemesis syndrome is a clinical disorder that has become more prevalent with increasing use of cannabis and synthetic cannabinoids, and which is difficult to treat. Standard antiemetics commonly fail to alleviate the severe nausea and vomiting characteristic of the syndrome. Curiously, cannabinoid hyperemesis syndrome patients often report dramatic relief of symptoms with hot showers and baths, and topical capsaicin. OBJECTIVES: In this review, we detail the pharmacokinetics and pharmacodynamics of capsaicin and explore possible mechanisms for its beneficial effect, including activation of transient receptor potential vanilloid 1 and neurohumoral regulation...
July 21, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28412919/neurological-disorders-in-medical-use-of-cannabis-an-update
#8
Renata Solimini, Maria Concetta Rotolo, Simona Pichini, Roberta Pacifici
BACKGROUND & OBJECTIVE: Medical cannabis is increasingly used as a treatment or adjunct treatment with different levels of efficacy in several neurological disorders or related symptoms (such as multiple sclerosis, autism, Parkinson and Alzheimer disease, Tourette's syndrome, Huntington's disease, neuropathic pain, epilepsy, headache), as well as in other medical conditions (e.g. nausea and vomiting, glaucoma, appetite stimulation, cancer, inflammatory conditions, asthma). Nevertheless, a number of neurological adverse effects from use of medical cannabis on the short- and on the longterm have been reported, in addition to other adverse health events...
2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28373843/antihyperalgesic-activities-of-endocannabinoids-in-a-mouse-model-of-antiretroviral-induced-neuropathic-pain
#9
Neha Munawar, Mabayoje A Oriowo, Willias Masocha
Background: Nucleoside reverse transcriptase inhibitors (NRTIs) are the cornerstone of the antiretroviral therapy for human immunodeficiency virus/acquired immune deficiency syndrome (HIV/AIDS). However, their use is sometimes limited by the development of a painful sensory neuropathy, which does not respond well to drugs. Smoked cannabis has been reported in clinical trials to have efficacy in relieving painful HIV-associated sensory neuropathy. Objectives: The aim of this study was to evaluate whether the expression of endocannabinoid system molecules is altered during NRTI-induced painful neuropathy, and also whether endocannabinoids can attenuate NRTI-induced painful neuropathy...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28207408/evaluation-of-cannabinoids-concentration-and-stability-in-standardized-preparations-of-cannabis-tea-and-cannabis-oil-by-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#10
Roberta Pacifici, Emilia Marchei, Francesco Salvatore, Luca Guandalini, Francesco Paolo Busardò, Simona Pichini
BACKGROUND: Cannabis has been used since ancient times to relieve neuropathic pain, to lower intraocular pressure, to increase appetite and finally to decrease nausea and vomiting. The combination of the psychoactive cannabis alkaloid Δ9-tetrahydrocannabinol (THC) with the non-psychotropic alkaloids cannabidiol (CBD) and cannabinol (CBN) demonstrated a higher activity than THC alone. The Italian National Institute of Health sought to establish conditions and indications on how to correctly use nationally produced cannabis to guarantee therapeutic continuity in individuals treated with medical cannabis...
August 28, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27757048/medical-cannabis-the-canadian-perspective
#11
REVIEW
Gordon D Ko, Sara L Bober, Sean Mindra, Jason M Moreau
Cannabis has been widely used as a medicinal agent in Eastern medicine with earliest evidence in ancient Chinese practice dating back to 2700 BC. Over time, the use of medical cannabis has been increasingly adopted by Western medicine and is thus a rapidly emerging field that all pain physicians need to be aware of. Several randomized controlled trials have shown a significant and dose-dependent relationship between neuropathic pain relief and tetrahydrocannabinol - the principal psychoactive component of cannabis...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27621666/a-preliminary-evaluation-of-the-relationship-of-cannabinoid-blood-concentrations-with-the-analgesic-response-to-vaporized-cannabis
#12
Barth L Wilsey, Reena Deutsch, Emil Samara, Thomas D Marcotte, Allan J Barnes, Marilyn A Huestis, Danny Le
A randomized, placebo-controlled crossover trial utilizing vaporized cannabis containing placebo and 6.7% and 2.9% delta-9-tetrahydrocannabinol (THC) was performed in 42 subjects with central neuropathic pain related to spinal cord injury and disease. Subjects received two administrations of the study medication in a 4-hour interval. Blood samples for pharmacokinetic evaluation were collected, and pain assessment tests were performed immediately after the second administration and 3 hours later. Pharmacokinetic data, although limited, were consistent with literature reports, namely dose-dependent increase in systemic exposure followed by rapid disappearance of THC...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27171490/the-role-of-medicinal-cannabis-in-clinical-therapy-pharmacists-perspectives
#13
Sami Isaac, Bandana Saini, Betty B Chaar
BACKGROUND: Medicinal cannabis has recently attracted much media attention in Australia and across the world. With the exception of a few countries, cannabinoids remain illegal-known for their adverse effects rather than their medicinal application and therapeutic benefit. However, there is mounting evidence demonstrating the therapeutic benefits of cannabis in alleviating neuropathic pain, improving multiple sclerosis spasticity, reducing chemotherapy induced nausea and vomiting, and many other chronic conditions...
2016: PloS One
https://www.readbyqxmd.com/read/27079840/toll-like-receptor-signalling-as-a-cannabinoid-target-in-multiple-sclerosis
#14
REVIEW
John-Mark K Fitzpatrick, Eric J Downer
Toll-like receptors (TLRs) are the sensors of pathogen-associated molecules that trigger tailored innate immune intracellular signalling responses to initiate innate immune reactions. Data from the experimental autoimmune encephalomyelitis (EAE) model indicates that TLR signalling machinery is a pivotal player in the development of murine EAE. To compound this, data from human studies indicate that complex interplay exists between TLR signalling and Multiple Sclerosis (MS) pathogenesis. Cannabis-based therapies are in clinical development for the management of a variety of medical conditions, including MS...
February 2017: Neuropharmacology
https://www.readbyqxmd.com/read/26912385/cannabinoids-medical-implications
#15
REVIEW
Richard J Schrot, John R Hubbard
Herbal cannabis has been used for thousands of years for medical purposes. With elucidation of the chemical structures of tetrahydrocannabinol (THC) and cannabidiol (CBD) and with discovery of the human endocannabinoid system, the medical usefulness of cannabinoids has been more intensively explored. While more randomized clinical trials are needed for some medical conditions, other medical disorders, like chronic cancer and neuropathic pain and certain symptoms of multiple sclerosis, have substantial evidence supporting cannabinoid efficacy...
2016: Annals of Medicine
https://www.readbyqxmd.com/read/26830780/-efficacy-tolerability-and-safety-of-cannabinoids-for-chronic-neuropathic-pain-a-systematic-review-of-randomized-controlled-studies
#16
REVIEW
F Petzke, E K Enax-Krumova, W Häuser
BACKGROUND: Recently published systematic reviews came to different conclusions with respect to the efficacy, tolerability and safety of cannabinoids for treatment of chronic neuropathic pain. MATERIAL AND METHODS: A systematic search of the literature was carried out in MEDLINE, the Cochrane central register of controlled trials (CENTRAL) and clinicaltrials.gov up until November 2015. We included double-blind randomized placebo-controlled studies (RCT) of at least 2 weeks duration and with at least 9 patients per treatment arm comparing medicinal cannabis, plant-based or synthetic cannabinoids with placebo or any other active drug treatment in patients with chronic neuropathic pain...
February 2016: Der Schmerz
https://www.readbyqxmd.com/read/26791602/the-selective-monoacylglycerol-lipase-inhibitor-mjn110-produces-opioid-sparing-effects-in-a-mouse-neuropathic-pain-model
#17
Jenny L Wilkerson, Micah J Niphakis, Travis W Grim, Mohammed A Mustafa, Rehab A Abdullah, Justin L Poklis, William L Dewey, Hamid Akbarali, Matthew L Banks, Laura E Wise, Benjamin F Cravatt, Aron H Lichtman
Serious clinical liabilities associated with the prescription of opiates for pain control include constipation, respiratory depression, pruritus, tolerance, abuse, and addiction. A recognized strategy to circumvent these side effects is to combine opioids with other antinociceptive agents. The combination of opiates with the primary active constituent of cannabis (Δ(9)-tetrahydrocannabinol) produces enhanced antinociceptive actions, suggesting that cannabinoid receptor agonists can be opioid sparing. Here, we tested whether elevating the endogenous cannabinoid 2-arachidonoylglycerol through the inhibition of its primary hydrolytic enzyme monoacylglycerol lipase (MAGL), will produce opioid-sparing effects in the mouse chronic constriction injury (CCI) of the sciatic nerve model of neuropathic pain...
April 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/26451996/prescribing-medical-cannabis-in-canada-are-we-being-too-cautious
#18
Stephanie Lake, Thomas Kerr, Julio Montaner
There has been much recent discussion and debate surrounding cannabis in Canada, including the prescribing of medical cannabis for therapeutic purposes. Certain commentators - including the Canadian Medical Association (CMA) - have denounced the prescribing of cannabis for medical purposes due to a perceived lack of evidence related to the drug's efficacy, harms, and mechanism of action. In this commentary, we present arguments in favour of prescribing medical cannabis in Canada. We believe the anti-cannabis position taken by CMA and other commentators is not entirely evidence-based...
April 30, 2015: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/26443472/medical-marijuana-patient-counseling-points-for-health-care-professionals-based-on-trends-in-the-medical-uses-efficacy-and-adverse-effects-of-cannabis-based-pharmaceutical-drugs
#19
REVIEW
Jayesh R Parmar, Benjamin D Forrest, Robert A Freeman
The purpose of this report is to present a review of the medical uses, efficacy, and adverse effects of the three approved cannabis-based medications and ingested marijuana. A literature review was conducted utilizing key search terms: dronabinol, nabilone, nabiximols, cannabis, marijuana, smoke, efficacy, toxicity, cancer, multiple sclerosis, nausea, vomiting, appetite, pain, glaucoma, and side effects. Abstracts of the included literature were reviewed, analyzed, and organized to identify the strength of evidence in medical use, efficacy, and adverse effects of the approved cannabis-based medications and medical marijuana...
July 2016: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/26362106/inhaled-cannabis-for-chronic-neuropathic-pain-a-meta-analysis-of-individual-patient-data
#20
REVIEW
Michael H Andreae, George M Carter, Naum Shaparin, Kathryn Suslov, Ronald J Ellis, Mark A Ware, Donald I Abrams, Hannah Prasad, Barth Wilsey, Debbie Indyk, Matthew Johnson, Henry S Sacks
UNLABELLED: Chronic neuropathic pain, the most frequent condition affecting the peripheral nervous system, remains underdiagnosed and difficult to treat. Inhaled cannabis may alleviate chronic neuropathic pain. Our objective was to synthesize the evidence on the use of inhaled cannabis for chronic neuropathic pain. We performed a systematic review and a meta-analysis of individual patient data. We registered our protocol with PROSPERO CRD42011001182. We searched in Cochrane Central, PubMed, EMBASE, and AMED...
December 2015: Journal of Pain: Official Journal of the American Pain Society
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