Cannabis and Pain Treatment

Aug. 30, 2010
Canadian Medical Association Journal


Mark A. Ware, MD, MSc, et al., stated the following in their Aug. 30, 2010 study titled “Smoked Cannabis for Chronic Neuropathic Pain: A Randomized Controlled Trial,” published in the Canadian Medical Association Journal:

“Adults with post-traumatic or postsurgical neuropathic pain were randomly assigned to receive cannabis at four potencies (0%, 2.5%, 6% and 9.4% tetrahydrocannabinol) over four 14-day periods in a crossover trial. Participants inhaled a single 25-mg dose through a pipe three times daily for the first five days in each cycle, followed by a nine-day washout period. Daily average pain intensity was measured using an 11-point numeric rating scale.

Conclusion
A single inhalation of 25 mg of 9.4% tetrahydrocannabinol herbal cannabis three times daily for five days reduced the intensity of pain, improved sleep and was well tolerated.”

Aug. 2008
Neuropsychopharmacology


Ronald J. Ellis, MD, PhD, Professor In Residence in the Department of Neuroscience at the University of California at San Diego, et al., stated the following in their Aug. 2008 study titled “Smoked Medicinal Cannabis for Neuropathic Pain in HIV: A Randomized, Crossover Clinical Trial,” published in Neuropsychopharmacology:“In a double-blind, randomized, clinical trial of the short-term adjunctive treatment of neuropathic pain in HIV-associated distal sensory polyneuropathy, participants received either smoked cannabis or placebo cannabis cigarettes…

Among completers, pain relief was significantly greater with cannabis than placebo. The proportion of subjects achieving at least 30% pain relief was again significantly greater with cannabis (46%) compared to placebo (18%). It was concluded that smoked cannabis was generally well-tolerated and effective when added to concomitant analgesic therapy in patients with medically refractory pain due to HIV-associated neuropathy.”

Author: Mike

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