In randomized groups of Wistar rats, the effect inhibitor of selective NASAID over the COX-1, COX-2 and COX-3 the synchronizes inhibition of COX-1 and COX-2, COX-1 and COX-3, COX-2 and COX-3, and COX-1, COX-2 and COX-3 were studied. The conclusions were that the selective inhibition of COX-1, COX-2 and COX-3 no given gastrointestinal damage; the synchronizes inhibition of COX-1 and COX-2 given preferential gastric damage; in contrast the inhibition of COX-2 and COX-3 given massive necrosis preferential in small intestine.
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