Nonsteroidal anti-inflammatory drugs (NSAIDs) represent one of the most common classes of
medications used world-wide, with an estimated usage of >30 million per day [1]. NSAIDs exert antiinflammatory,
analgesic and anti-pyretic effects through the suppression of prostaglandin (PG)
synthesis, by inhibiting the enzyme cyclooxygenase (COX). Two isoforms of this enzyme COX-1 and
COX-2 are known to exist. The gastrointestinal tract and the kidneys are important targets for