Carbonic Anhydrase Inhibition: Insight into Non-COX-2 Pharmacological Effect of some Coxibs

Author(s): Claudiu T. Supuran, Jean-Michel Dogne, Anne Thiry.

Journal Name: Current Pharmaceutical Design

Volume 14 , Issue 7 , 2008

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Abstract:

Nonsteroidal anti-inflammatory drugs (NSAIDs) represent the most commonly used medications for the treatment of pain and inflammation, but numerous well-described adverse drug reactions (ADRs) limit their use. These drugs act via the inhibition of cyclooxygenase (COX) enzyme of which at least two isoforms were described: COX-1 which plays important roles in homeostatic processes such as thrombogenesis and homeostasis of the gastrointestinal tract and kidneys and COX-2 expressed in pathological conditions such as inflammation or cancer proliferation. Selective COX-2 inhibitors or “coxibs” were initially developed as a therapeutic strategy to avoid not only the gastrointestinal but also the renal and cardiovascular side effects of non specific NSAIDs. However, this class of drug did not fulfill all their promises. Indeed, numerous unexpected side effects have limited their use and some of them have been withdrawn or suspended from the market for different safety reasons including cardiovascular, hepatic and skin adverse reactions. For instance, cardiovascular warnings have been applied to the whole class of coxibs and more recently for all classical NSAIDs as well. However, differences in the chemical structures should be taken into consideration in order to discriminate between coxibs and the development of some ADRs of which renal events and hypertension. The aim of this paper is to focus on the differences in chemical structures of all marketed COX-2 inhibitors and their unexpected effects on carbonic anhydrase in order to provide non-COX-2 mechanistic insights into some of the differences observed between coxibs.

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Article Details

VOLUME: 14
ISSUE: 7
Year: 2008
Page: [679 - 684]
Pages: 6
DOI: 10.2174/138161208783877938
Price: $58

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