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Title: Sativex successfully treats neuropathic pain characterised by allodynia: A randomised, double-blind, placebo-controlled clinical trial
Authors: Nurmikko, Turo J ×
Serpell, Mick G
Hoggart, Barbara
Toomey, Peter J
Morlion, Bart
Haines, Derek #
Issue Date: Dec-2007
Publisher: Elsevier science bv
Series Title: Pain vol:133 issue:1-3 pages:210-220
Abstract: Cannabinoids are known to have analgesic properties. We evaluated the effect of oro-mucosal sativex, (THC: CBD), an endocannabinoid system modulator, on pain and allodynia, in 125 patients with neuropathic pain of peripheral origin in a five-week, randomised, double-blind, placebo-controlled, parallel design trial. Patients remained on their existing stable analgesia. A self-titrating regimen was used to optimise drug administration. Sixty-three patients were randomised to receive sativex and 62 placebo. The mean reduction in pain intensity scores (primary outcome measure) was greater in patients receiving sativex than placebo (mean adjusted scores -1.48 points vs. -0.52 points on a 0-10 Numerical Rating Scale (p = 0.004; 95% CI: -1.59, -0.32). Improvements in Neuropathic Pain Scale composite score (p = 0.007), sleep NRS (p = 0.001), dynamic allodynia (p = 0.042), punctate allodynia, (p = 0.021), Pain Disability Index (p = 0.003) and Patient's Global Impression of Change (p < 0.00 1) were similarly greater on sativex vs. placebo. Sedative and gastrointestinal side effects were reported more commonly by patients on active medication. Of all participants, 18% on sativex and 3% on placebo withdrew during the study. An open-label extension study showed that the initial pain relief was maintained without dose escalation or toxicity for 52 weeks. (c) 2007 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.
URI: 
ISSN: 0304-3959
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Anesthesiology and Algology
Department of Cardiovascular Sciences - miscellaneous
× corresponding author
# (joint) last author

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