Potential Therapeutic Uses of Cannabidiol (CBD)

"Recent developments suggest that non-psychotropic phytocannabinoids exert a wide range of pharmacological effects (Figure 1), many of which are of potential therapeutic interest. The most studied among these compounds is CBD, the pharmacological effects of which might be explained, at least in part, by a combination of mechanisms of action (Table 1, Figure 1). CBD has an extremely safe profile in humans, and it has been clinically evaluated (albeit in a preliminary fashion) for the treatment of anxiety, psychosis, and movement disorders. There is good pre-clinical evidence to warrant clinical studies into its use for the treatment of diabetes, ischemia and cancer. The design of further clinical trials should: i) consider the bell-shaped pattern of the dose–response curve that has been observed in pre-clinical pharmacology, and ii) establish if CBD is more effective or has fewer unwanted effects than other medicines. A sublingual spray that is a standardized Cannabis extract containing approximately equal quantities of CBD and D9-THC (Sativex®), has been shown to be effective in treating neuropathic pain in multiple sclerosis patients [76].
"The pharmacology of D9-THCV (i.e. CB1 antagonism associated with CB2 agonist effects) is also intriguing because it has the potential of application in diseases such as chronic liver disease or obesity—when it is associated with inflammation—in which CB1 blockade together with some CB2 activation is beneficial.
"The plant Cannabis is a source of several other neglected phytocannabinoids such as CBC and CBG. Although the spectrum of pharmacological effects of these compounds is largely unexplored, their potent action at TRPA1 and TRPM8 might make these compounds new and attractive tools for pain management."

Source: 

Izzo,Angelo A.; Borrelli, Francesca; Capasso, Raffaele; Di Marzo, Vincenzo; and Mechoulam, Raphael, "Non-psychotropic plant cannabinoids: new therapeutic opportunities from an ancient herb," Trends in Pharmacological Sciences (London, United Kingdom: October 2009) Vol. 30, Issue 10, pp. 525-526.
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