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  • Title: COX-2 inhibitors.
    Author: Brooks PM, Day RO.
    Journal: Med J Aust; 2000 Oct 16; 173(8):433-6. PubMed ID: 11090038.
    Abstract:
    Cyclooxygenase-2 (COX-2) inhibitors constitute a new group of non-steroidal anti-inflammatory drugs (NSAIDs) which, at recommended doses, block prostaglandin production by cyclooxygenase-2, but not by cyclooxygenase-1. Two COX-2 inhibitors are currently available in Australia--celecoxib, which is taken twice daily, and rofecoxib, which is taken once daily. Both drugs act rapidly in providing pain relief and their anti-inflammatory analgesic effect in osteoarthritis and rheumatoid arthritis is equivalent to standard doses of non-selective NSAIDs. Celecoxib and rofecoxib show significantly lower incidences of gastrotoxicity (as measured by endoscopic studies and gastrointestinal ulcers and bleeds) than non-selective NSAIDs. There is Level 2 evidence that COX-2 inhibitors: reduce pain in classic pain models--third-molar extraction, dysmenorrhoea and after orthopaedic surgery; reduce pain and disability in osteoarthritis of the hip and knee; and reduce pain and disability in rheumatoid arthritis. Other adverse effects, such as interference with antihypertensive agents and the potential to produce renal dysfunction in patients with compromised renal function by COX-2 inhibitors, seem similar to those of non-selective NSAIDs.
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