Klieger SB, Gutman A, Allen L, Pacula RL, Ibrahim JK, Burris S. Mapping medical marijuana: state laws regulating patients, product safety, supply chains and dispensaries, 2017. Addiction. 2017; https://doi.org/10.1111/add.13910.
Jensen B, Chen J, Furnish T, Wallace M. Medical marijuana and chronic pain: a review of basic science and clinical evidence. Curr Pain Headache Rep. 2015;19(10):50. https://doi.org/10.1007/s11916-015-0524-x.
Article
PubMed
Google Scholar
Laprairie RB, Bagher AM, Kelly ME, Denovan-Wright EM. Cannabidiol is a negative allosteric modulator of the cannabinoid CB1 receptor. Br J Pharmacol. 2015;172(20):4790–805. https://doi.org/10.1111/bph.13250.
CAS
Article
PubMed
PubMed Central
Google Scholar
Russo EB, Burnett A, Hall B, Parker KK. Agonistic properties of cannabidiol at 5-HT1a receptors. Neurochem Res. 2005;30(8):1037–43. https://doi.org/10.1007/s11064-005-6978-1.
CAS
Article
PubMed
Google Scholar
Schatman ME. Medical marijuana: the state of the science. Medscape. 2015 Feb 6. http://www.medscape.com/viewarticle/839155
Agurell S, Halldin M, Lindgren JE, Ohlsson A, Widman M, Gillespie H, et al. Pharmacokinetics and metabolism of delta 1-tetrahydrocannabinol and other cannabinoids with emphasis on man. Pharmacol Rev. 1986;38(1):21–43.
CAS
PubMed
Google Scholar
Abrams DI, Vizoso HP, Shade SB, Jay C, Kelly ME, Benowitz NL. Vaporization as a smokeless cannabis delivery system: a pilot study. Clin Pharmacol Ther. 2007;82(5):572–8. https://doi.org/10.1038/sj.clpt.6100200.
CAS
Article
PubMed
Google Scholar
Newmeyer MN, Swortwood MJ, Abulseoud OA, Huestis MA. Subjective and physiological effects, and expired carbon monoxide concentrations in frequent and occasional cannabis smokers following smoked, vaporized, and oral cannabis administration. Drug Alcohol Depend. 2017;175:67–76. https://doi.org/10.1016/j.drugalcdep.2017.02.003.
CAS
Article
PubMed
Google Scholar
Wilsey BL, Deutsch R, Samara E, Marcotte TD, Barnes AJ, Huestis MA, et al. A preliminary evaluation of the relationship of cannabinoid blood concentrations with the analgesic response to vaporized cannabis. J Pain Res. 2016;9:587–98. https://doi.org/10.2147/JPR.S113138.
Article
PubMed
PubMed Central
Google Scholar
FDA. Draft guidance on dronabinol. 2014. https://www.fda.gov/downloads/drugs/guidancecomplianceregulatoryinformation/guidances/ucm199636.pdf.
INCAN INdCMyNSZ. Revisión bibliográfica: cannabinoides en dolor no oncológico. 2014. http://www.dolorypaliativos.org/art131.asp.
• GW P. GW pharmaceuticals and otsuka announce results from two remaining sativex(r) phase 3 cancer pain trials. 2015. https://www.gwpharm.com/about-us/news/gw-pharmaceuticals-and-otsuka-announce-results-first-three-sativex%C2%AE-phase-3-cancer. This press release announced the lack of difference between nabiximols vs. placebo for pain intensity in patients with cancer chronic pain. This announcement is in contrast with previous results which show promising data of this cannabinoid preparation for this condition.
GW P. GW’s epidiolex® clinical program. 2015. https://www.gwpharm.com/epilepsy-patients-caregivers/patients.
Issa MA, Narang S, Jamison RN, Michna E, Edwards RR, Penetar DM, et al. The subjective psychoactive effects of oral dronabinol studied in a randomized, controlled crossover clinical trial for pain. Clin J Pain. 2014;30(6):472–8. https://doi.org/10.1097/AJP.0000000000000022.
Article
PubMed
PubMed Central
Google Scholar
Huestis MA. Human cannabinoid pharmacokinetics. Chem Biodivers. 2007;4(8):1770–804. https://doi.org/10.1002/cbdv.200790152.
CAS
Article
PubMed
PubMed Central
Google Scholar
Ohlsson A, Lindgren JE, Wahlen A, Agurell S, Hollister LE, Gillespie HK. Plasma delta-9 tetrahydrocannabinol concentrations and clinical effects after oral and intravenous administration and smoking. Clin Pharmacol Ther. 1980;28(3):409–16.
CAS
Article
PubMed
Google Scholar
Newmeyer MN, Swortwood MJ, Andersson M, Abulseoud OA, Scheidweiler KB, Huestis MA. Cannabis edibles: blood and oral fluid cannabinoid pharmacokinetics and evaluation of oral fluid screening devices for predicting delta9-tetrahydrocannabinol in blood and oral fluid following cannabis brownie administration. Clin Chem. 2017;63(3):647–62. https://doi.org/10.1373/clinchem.2016.265371.
CAS
Article
PubMed
Google Scholar
Ware MA, St Arnaud-Trempe E. The abuse potential of the synthetic cannabinoid nabilone. Addiction. 2010;105(3):494–503. https://doi.org/10.1111/j.1360-0443.2009.02776.x.
Article
PubMed
Google Scholar
•• National Academies of Sciences E, and Medicine. The health effects of cannabis and cannabinoids: the current state of evidence and recommendations for research. Washington, D.C: National Academies Press. 10.17226/24625. 2017. This study is the most comprehensive and up-to-date document that evaluates and qualifies the scientific evidence of the majority of the clinical uses of cannabis or cannabinoids. The report shows that the most clear evidence for medicinal cannabis is for the treatment of chronic pain.
• Whiting PF, Wolff RF, Deshpande S, Di Nisio M, Duffy S, Hernandez AV, et al. Cannabinoids for medical use: a systematic review and meta-analysis. JAMA. 2015;313(24):2456–73. https://doi.org/10.1001/jama.2015.6358. This study provides supportive evidence on the efficacy of cannabis or cannabinoids for the treatment of pain and other conditions.
CAS
Article
PubMed
Google Scholar
•• Andreae MH, Carter GM, Shaparin N, Suslov K, Ellis RJ, Ware MA, et al. Inhaled cannabis for chronic neuropathic pain: a meta-analysis of individual patient data. J Pain. 2015;16(12):1221–32. https://doi.org/10.1016/j.jpain.2015.07.009. This study provides thorough evidence in favor of inhaled cannabis for the treatment of chronic non-cancer pain.
Article
PubMed
PubMed Central
Google Scholar
Ware MA, Wang T, Shapiro S, Robinson A, Ducruet T, Huynh T, et al. Smoked cannabis for chronic neuropathic pain: a randomized controlled trial. CMAJ. 2010;182(14):E694–701. https://doi.org/10.1503/cmaj.091414.
Article
PubMed
PubMed Central
Google Scholar
Wilsey B, Marcotte T, Deutsch R, Gouaux B, Sakai S, Donaghe H. Low-dose vaporized cannabis significantly improves neuropathic pain. J Pain. 2013;14(2):136–48. https://doi.org/10.1016/j.jpain.2012.10.009.
CAS
Article
PubMed
Google Scholar
Wilsey B, Marcotte T, Tsodikov A, Millman J, Bentley H, Gouaux B, et al. A randomized, placebo-controlled, crossover trial of cannabis cigarettes in neuropathic pain. J Pain. 2008;9(6):506–21. https://doi.org/10.1016/j.jpain.2007.12.010.
CAS
Article
PubMed
PubMed Central
Google Scholar
Abrams DI, Jay CA, Shade SB, Vizoso H, Reda H, Press S, et al. Cannabis in painful HIV-associated sensory neuropathy: a randomized placebo-controlled trial. Neurology. 2007;68(7):515–21. https://doi.org/10.1212/01.wnl.0000253187.66183.9c.
CAS
Article
PubMed
Google Scholar
Ellis RJ, Toperoff W, Vaida F, van den Brande G, Gonzales J, Gouaux B, et al. Smoked medicinal cannabis for neuropathic pain in HIV: a randomized, crossover clinical trial. Neuropsychopharmacology. 2009;34(3):672–80. https://doi.org/10.1038/npp.2008.120.
CAS
Article
PubMed
Google Scholar
• Wallace MS, Marcotte TD, Umlauf A, Gouaux B, Atkinson JH. Efficacy of inhaled cannabis on painful diabetic neuropathy. J Pain. 2015;16(7):616–27. https://doi.org/10.1016/j.jpain.2015.03.008. This study shows that low THC concentrations (1 - 4%) of vaporized cannabis are effective to reduce painful diabetic neuropathy.
CAS
Article
PubMed
PubMed Central
Google Scholar
• Wilsey B, Marcotte TD, Deutsch R, Zhao H, Prasad H, Phan A. An exploratory human laboratory experiment evaluating vaporized cannabis in the treatment of neuropathic pain from spinal cord injury and disease. J Pain. 2016;17(9):982–1000. https://doi.org/10.1016/j.jpain.2016.05.010. This study demonstrates that low THC concentrations (2.9–6.7%) of vaporized cannabis are effective to reduce chronic pain after spinal cord injury or disease.
CAS
Article
PubMed
PubMed Central
Google Scholar
• Meng H, Johnston B, Englesakis M, Moulin DE, Bhatia A. Selective cannabinoids for chronic neuropathic pain: a systematic review and meta-analysis. Anesth Analg. 2017; https://doi.org/10.1213/ANE.0000000000002110. This study shows that oral cannabinoids are modestly effective to reduce chronic pain, but they improve other aspects of chronic pain, such as quality of life or sleep. This analysis also shows some limitations of oral cannabinoids: reduced tolerability.
Berman JS, Symonds C, Birch R. Efficacy of two cannabis based medicinal extracts for relief of central neuropathic pain from brachial plexus avulsion: results of a randomised controlled trial. Pain. 2004;112(3):299–306. https://doi.org/10.1016/j.pain.2004.09.013.
Article
PubMed
Google Scholar
Frank B, Serpell MG, Hughes J, Matthews JN, Kapur D. Comparison of analgesic effects and patient tolerability of nabilone and dihydrocodeine for chronic neuropathic pain: randomised, crossover, double blind study. BMJ. 2008;336(7637):199–201. https://doi.org/10.1136/bmj.39429.619653.80.
CAS
Article
PubMed
PubMed Central
Google Scholar
Langford RM, Mares J, Novotna A, Vachova M, Novakova I, Notcutt W, et al. A double-blind, randomized, placebo-controlled, parallel-group study of THC/CBD oromucosal spray in combination with the existing treatment regimen, in the relief of central neuropathic pain in patients with multiple sclerosis. J Neurol. 2013;260(4):984–97. https://doi.org/10.1007/s00415-012-6739-4.
CAS
Article
PubMed
Google Scholar
Lynch ME, Cesar-Rittenberg P, Hohmann AG. A double-blind, placebo-controlled, crossover pilot trial with extension using an oral mucosal cannabinoid extract for treatment of chemotherapy-induced neuropathic pain. J Pain Symptom Manag. 2014;47(1):166–73. https://doi.org/10.1016/j.jpainsymman.2013.02.018.
Article
Google Scholar
Nurmikko TJ, Serpell MG, Hoggart B, Toomey PJ, Morlion BJ, Haines D. Sativex successfully treats neuropathic pain characterised by allodynia: a randomised, double-blind, placebo-controlled clinical trial. Pain. 2007;133(1–3):210–20. https://doi.org/10.1016/j.pain.2007.08.028.
CAS
Article
PubMed
Google Scholar
Rog DJ, Nurmikko TJ, Friede T, Young CA. Randomized, controlled trial of cannabis-based medicine in central pain in multiple sclerosis. Neurology. 2005;65(6):812–9. https://doi.org/10.1212/01.wnl.0000176753.45410.8b.
Article
PubMed
Google Scholar
Selvarajah D, Gandhi R, Emery CJ, Tesfaye S. Randomized placebo-controlled double-blind clinical trial of cannabis-based medicinal product (Sativex) in painful diabetic neuropathy: depression is a major confounding factor. Diabetes Care. 2010;33(1):128–30. https://doi.org/10.2337/dc09-1029.
Article
PubMed
Google Scholar
Serpell M, Ratcliffe S, Hovorka J, Schofield M, Taylor L, Lauder H, et al. A double-blind, randomized, placebo-controlled, parallel group study of THC/CBD spray in peripheral neuropathic pain treatment. Eur J Pain. 2014;18(7):999–1012. https://doi.org/10.1002/j.1532-2149.2013.00445.x.
CAS
Article
PubMed
Google Scholar
Svendsen KB, Jensen TS, Bach FW. Does the cannabinoid dronabinol reduce central pain in multiple sclerosis? Randomised double blind placebo controlled crossover trial. BMJ. 2004;329(7460):253. https://doi.org/10.1136/bmj.38149.566979.AE.
CAS
Article
PubMed
PubMed Central
Google Scholar
Toth C, Mawani S, Brady S, Chan C, Liu C, Mehina E, et al. An enriched-enrolment, randomized withdrawal, flexible-dose, double-blind, placebo-controlled, parallel assignment efficacy study of nabilone as adjuvant in the treatment of diabetic peripheral neuropathic pain. Pain. 2012;153(10):2073–82. https://doi.org/10.1016/j.pain.2012.06.024.
CAS
Article
PubMed
Google Scholar
Turcotte D, Doupe M, Torabi M, Gomori A, Ethans K, Esfahani F, et al. Nabilone as an adjunctive to gabapentin for multiple sclerosis-induced neuropathic pain: a randomized controlled trial. Pain Med. 2015;16(1):149–59. https://doi.org/10.1111/pme.12569.
Article
PubMed
Google Scholar
• CADTH CAfDaTH. Cannabinoid buccal spray for chronic non-cancer or neuropathic pain: a review of clinical effectiveness, safety, and guidelines. Otawa (ON); 2016. This study concluded that there is no sufficient evidence to support the use of oromucosal cannabinoids for the treatment of chronic pain, and shows the conflicting results available in the literature for this form of administration.
Johnson JR, Burnell-Nugent M, Lossignol D, Ganae-Motan ED, Potts R, Fallon MT. Multicenter, double-blind, randomized, placebo-controlled, parallel-group study of the efficacy, safety, and tolerability of THC:CBD extract and THC extract in patients with intractable cancer-related pain. J Pain Symptom Manag. 2010;39(2):167–79. https://doi.org/10.1016/j.jpainsymman.2009.06.008.
Article
Google Scholar
Portenoy RK, Ganae-Motan ED, Allende S, Yanagihara R, Shaiova L, Weinstein S, et al. Nabiximols for opioid-treated cancer patients with poorly-controlled chronic pain: a randomized, placebo-controlled, graded-dose trial. J Pain. 2012;13(5):438–49. https://doi.org/10.1016/j.jpain.2012.01.003.
CAS
Article
PubMed
Google Scholar
• Fitzcharles MA, Ste-Marie PA, Hauser W, Clauw DJ, Jamal S, Karsh J, et al. Efficacy, tolerability, and safety of cannabinoid treatments in the rheumatic diseases: a systematic review of randomized controlled trials. Arthritis Care Res (Hoboken). 2016;68(5):681–8. https://doi.org/10.1002/acr.22727. Despite the limited number of studies on this topic, this review shows that oral cannabinoids do not reduce pain related to rheumatoid conditions.
CAS
Article
Google Scholar
Blake DR, Robson P, Ho M, Jubb RW, McCabe CS. Preliminary assessment of the efficacy, tolerability and safety of a cannabis-based medicine (Sativex) in the treatment of pain caused by rheumatoid arthritis. Rheumatology (Oxford). 2006;45(1):50–2. https://doi.org/10.1093/rheumatology/kei183.
CAS
Article
Google Scholar
Huggins JP, Smart TS, Langman S, Taylor L, Young T. An efficient randomised, placebo-controlled clinical trial with the irreversible fatty acid amide hydrolase-1 inhibitor PF-04457845, which modulates endocannabinoids but fails to induce effective analgesia in patients with pain due to osteoarthritis of the knee. Pain. 2012;153(9):1837–46. https://doi.org/10.1016/j.pain.2012.04.020.
CAS
Article
PubMed
Google Scholar
Skrabek RQ, Galimova L, Ethans K, Perry D. Nabilone for the treatment of pain in fibromyalgia. J Pain. 2008;9(2):164–73. https://doi.org/10.1016/j.jpain.2007.09.002.
CAS
Article
PubMed
Google Scholar
Ware MA, Fitzcharles MA, Joseph L, Shir Y. The effects of nabilone on sleep in fibromyalgia: results of a randomized controlled trial. Anesth Analg. 2010;110(2):604–10. https://doi.org/10.1213/ANE.0b013e3181c76f70.
CAS
Article
PubMed
Google Scholar
Ste-Marie PA, Shir Y, Rampakakis E, Sampalis JS, Karellis A, Cohen M, et al. Survey of herbal cannabis (marijuana) use in rheumatology clinic attenders with a rheumatologist confirmed diagnosis. Pain. 2016;157(12):2792–7. https://doi.org/10.1097/j.pain.0000000000000706.
CAS
Article
PubMed
Google Scholar
• de Vries M, van Rijckevorsel DCM, Vissers KCP, Wilder-Smith OHG, van Goor H, Pain, et al. Tetrahydrocannabinol does not reduce pain in patients with chronic abdominal pain in a phase 2 placebo-controlled study. Clin Gastroenterol Hepatol. 2017;15(7):1079–86 e4. https://doi.org/10.1016/j.cgh.2016.09.147. Despite the limited number of studies on this topic, this study shows that oral cannabinoids are not effective to treat chronic abdominal pain related to surgery or pancreatitis.
Article
PubMed
Google Scholar
Holdcroft A, Maze M, Dore C, Tebbs S, Thompson S. A multicenter dose-escalation study of the analgesic and adverse effects of an oral cannabis extract (Cannador) for postoperative pain management. Anesthesiology. 2006;104(5):1040–6.
CAS
Article
PubMed
Google Scholar
Buggy DJ, Toogood L, Maric S, Sharpe P, Lambert DG, Rowbotham DJ. Lack of analgesic efficacy of oral delta-9-tetrahydrocannabinol in postoperative pain. Pain. 2003;106(1–2):169–72.
CAS
Article
PubMed
Google Scholar
Beaulieu P. Effects of nabilone, a synthetic cannabinoid, on postoperative pain. Can J Anaesth. 2006;53(8):769–75. https://doi.org/10.1007/BF03022793.
Article
PubMed
Google Scholar
Raft D, Gregg J, Ghia J, Harris L. Effects of intravenous tetrahydrocannabinol on experimental and surgical pain. Psychological correlates of the analgesic response. Clin Pharmacol Ther. 1977;21(1):26–33.
CAS
Article
PubMed
Google Scholar
•• Ware MA, Wang T, Shapiro S, Collet JP, team Cs. Cannabis for the Management of Pain: assessment of safety study (COMPASS). J Pain. 2015;16(12):1233–42. https://doi.org/10.1016/j.jpain.2015.07.014. This is the only controlled (open label) study that has assessed the safety and tolerability of cannabis used for 1 year in subjects with chronic non-cancer pain. It shows that cannabis seems to be tolerable and relatively safe when used long-term.
Article
PubMed
Google Scholar
Zajicek JP, Sanders HP, Wright DE, Vickery PJ, Ingram WM, Reilly SM, et al. Cannabinoids in multiple sclerosis (CAMS) study: safety and efficacy data for 12 months follow up. J Neurol Neurosurg Psychiatry. 2005;76(12):1664–9. https://doi.org/10.1136/jnnp.2005.070136.
CAS
Article
PubMed
PubMed Central
Google Scholar
Johnson JR, Lossignol D, Burnell-Nugent M, Fallon MT. An open-label extension study to investigate the long-term safety and tolerability of THC/CBD oromucosal spray and oromucosal THC spray in patients with terminal cancer-related pain refractory to strong opioid analgesics. J Pain Symptom Manag. 2013;46(2):207–18. https://doi.org/10.1016/j.jpainsymman.2012.07.014.
Article
Google Scholar
Rog DJ, Nurmikko TJ, Young CA. Oromucosal delta9-tetrahydrocannabinol/cannabidiol for neuropathic pain associated with multiple sclerosis: an uncontrolled, open-label, 2-year extension trial. Clin Ther. 2007;29(9):2068–79. https://doi.org/10.1016/j.clinthera.2007.09.013.
CAS
Article
PubMed
Google Scholar
Serpell MG, Notcutt W, Collin C. Sativex long-term use: an open-label trial in patients with spasticity due to multiple sclerosis. J Neurol. 2013;260(1):285–95. https://doi.org/10.1007/s00415-012-6634-z.
Article
PubMed
Google Scholar
Wade DT, Makela PM, House H, Bateman C, Robson P. Long-term use of a cannabis-based medicine in the treatment of spasticity and other symptoms in multiple sclerosis. Mult Scler. 2006;12(5):639–45. https://doi.org/10.1177/1352458505070618.
CAS
Article
PubMed
Google Scholar