Nabilone, sold under the brand name Cesamet among others, is a synthetic cannabinoid with therapeutic use as an antiemetic and as an adjunct analgesic for neuropathic pain. It mimics tetrahydrocannabinol (THC), the primary psychoactive compound found naturally occurring in Cannabis.The Food and Drug Administration in the United States has indicated nabilone for chemotherapy-induced nausea/vomiting. In other countries, such as Canada, it is widely used as an adjunct therapy for chronic pain management. Numerous trials and case studies have demonstrated modest effectiveness for relieving fibromyalgia and multiple sclerosis. Medical uses
Nabilone is used to treat nausea and vomiting in people under chemotherapy.Nabilone has shown modest effectiveness in relieving fibromyalgia. A 2011 systematic review of cannabinoids for chronic pain determined there was evidence of safety and modest efficacy for some conditions.The main settings that have seen published clinical trials of nabilone include movement disorders such as parkinsonism, chronic pain, dystonia and spasticity neurological disorders, multiple sclerosis, and the nausea of cancer chemotherapy. Nabilone is also effective in the treatment of inflammatory bowel disease, especially ulcerative colitis. In one study of current daily users of cannabis, oral nabilone at 4, 6, and 8 mg produced sustained and dose-dependent mood elevation and psychomotor slowing comparable to 10 or 20 mg oral dronabinol (THC). Nabilone had a slower onset of peak action and a greater dose-dependence of effects, which the investigators attributed to greater bioavailability.
Valeant tried and failed to get the medication approved in 2005 and then succeeded in 2006.In 2007, Valeant acquired the United Kingdom and European Union rights to market nabilone from Cambridge Laboratories.Nabilone was approved in Austria to treat chemotherapy-induced nausea in 2013; it was already approved in Spain for the same indication and was legal in Belgium to treat glaucoma, spasticity in multiple sclerosis, wasting due to AIDS, and chronic pain. See also
List of investigational analgesics


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