Tapping into the endocannabinoid system to ameliorate acute inflammatory flares and associated pain in mouse knee joints.


“During the progression of rheumatoid arthritis (RA), there are frequent but intermittent flares in which the joint becomes acutely inflamed and painful.

Although a number of drug therapies are currently used to treat RA, their effectiveness is variable and side effects are common.

Endocannabinoids have the potential to ameliorate joint pain and inflammation, but these beneficial effects are limited by their rapid degradation.

One enzyme responsible for endocannabinoid break down is fatty acid amide hydrolase (FAAH). The present study examined whether URB597, a potent and selective FAAH inhibitor, could alter inflammation and pain in a mouse model of acute synovitis.

Conclusions: These results suggest that the endocannabinoid system of the joint can be harnessed to decrease acute inflammatory reactions and the concomitant pain associated with these episodes.”



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