Cyclooxygenase-2 inhibitors
Abstract
PURPOSE OF REVIEW: The purpose of this review is to summarize new information regarding the use of selective inhibitors of the cyclooxygenase-2 enzyme, emphasizing recent developments regarding cardiovascular risk.
RECENT FINDINGS: Selective cyclooxygenase-2 inhibitors are as effective as nonselective nonsteroidal antiinflammatory drugs in relieving pain and inflammation but are associated with significantly fewer gastric, duodenal, and intestinal ulcers and ulcer complications. Cyclooxygenase-2 inhibitors may also reduce colorectal polyp development or recurrence as well as reduce the risk of colorectal and esophageal cancer. Some, but not all, studies have suggested increased myocardial infarction with certain cyclooxygenase-2 inhibitors, in particular rofecoxib. It is unclear whether this is a class effect because there are inconclusive data to incriminate celecoxib despite a relatively large number of clinical trials enrolling a large number of patients. Rofecoxib was voluntarily withdrawn by the manufacturer. The European Medicines Agency concluded that cyclooxygenase-2 inhibitors are contraindicated in patients with established cardiovascular disease, should be used with caution in patients with risk factors, and were justified in patients at risk for serious gastrointestinal adverse events.
SUMMARY: Rofecoxib, but perhaps not all cyclooxygenase-2 inhibitors, may be associated with increased risk for myocardial infarction. It is unclear whether nonselective…
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