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cannabinoids in different diseases and case reports on the use of cannabis by
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|Title||Dronabinol Is a Safe Long-Term Treatment Option for Neuropathic Pain Patients|
|Author(s)||Schimrigk S et al.|
|Journal, Volume, Issue||Eur Neurol. ;78(5-6):320-329|
|Major outcome(s)||No significant difference between placebo and THC in the treatment of pain of patients with multiple sclerosis|
Treatment of neuropathic pain (NP) symptoms associated with multiple sclerosis (MS) is frequently insufficient. Yet, cannabis is still rarely offered for treatment of pain. This clinical trial aimed at showing the positive benefit-risk ratio of dronabinol. Two hundred forty MS patients with central NP entered a 16-weeks placebo-controlled phase-III study followed by a 32-weeks open-label period. One hundred patients continued therapy for overall up to 119 weeks. Primary endpoint was change of pain intensity on the 11-point Numerical Rating Scale over a 16-weeks treatment period. Safety was assessed on the basis of adverse reactions (ARs), signs of dependency and abuse. Pain intensity during 16-weeks dronabinol and placebo treatment was reduced by 1.92 and 1.81 points without significant difference in between (p = 0.676). Although the proportion of patients with ARs was higher under dronabinol compared to placebo (50.0 vs. 25.9%), it decreased during long-term use of dronabinol (26%). No signs of drug abuse and only one possible case of dependency occurred. The trial results demonstrate that dronabinol is a safe long-term treatment option.
|Type of publication||Medical journal|
|Address of author(s)|