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Curr Pain Headache Rep. 2018 Feb 1;22(1):8. doi: 10.1007/s11916-018-0658-8.

Medical Cannabis for Neuropathic Pain.

Author information

1
Center for Pain Medicine, University of California, San Diego, 9300 Campus Point Drive, Mail Code 7651, La Jolla, CA, 92037, USA. Gemayel.LeeMD@gmail.com.
2
Center for Pain Medicine, University of California, San Diego, 9300 Campus Point Drive, Mail Code 7651, La Jolla, CA, 92037, USA.

Abstract

PURPOSE OF REVIEW:

Many cultures throughout history have used cannabis to treat a variety of painful ailments. Neuropathic pain is a complicated condition that is challenging to treat with our current medications. Recent scientific discovery has elucidated the intricate role of the endocannabinoid system in the pathophysiology of neuropathic pain. As societal perceptions change, and legislation on medical cannabis relaxes, there is growing interest in the use of medical cannabis for neuropathic pain.

RECENT FINDINGS:

We examined current basic scientific research and data from recent randomized controlled trials (RCTs) evaluating medical cannabis for the treatment of neuropathic pain. These studies involved patients with diverse etiologies of neuropathic pain and included medical cannabis with different THC concentrations and routes of administration. Multiple RCTs demonstrated efficacy of medical cannabis for treating neuropathic pain, with number needed to treat (NNT) values similar to current pharmacotherapies. Although limited by small sample sizes and short duration of study, the evidence appears to support the safety and efficacy of short-term, low-dose cannabis vaporization and oral mucosal delivery for the treatment of neuropathic pain. The results suggest medical cannabis may be as tolerable and effective as current neuropathic agents; however, more studies are needed to determine the long-term effects of medical cannabis use. Furthermore, continued research to optimize dosing, cannabinoid ratios, and alternate routes of administration may help to refine the therapeutic role of medical cannabis for neuropathic pain.

KEYWORDS:

CBD; Cannabinoid; Cannabis; Medical marijuana; Neuropathic pain; THC

PMID:
29388063
DOI:
10.1007/s11916-018-0658-8
[Indexed for MEDLINE]

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