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Nephrotoxic potential of selective cyclooxygenase-2 inhibitors
Gurbir K Sandhu1, Catherine A Heyneman
1College of Pharmacy, Idaho State University, Pocatello, ID 83209-8356, USA.
Objective:
To determine the relative nephrotoxic potential of cyclooxygenase (COX)-2 inhibitors.
Data Sources:
A MEDLINE search (1996-February 2004) identified clinical trials evaluating the nephrotoxicity of COX-2 inhibitors versus traditional nonsteroidal antiinflammatory drugs (NSAIDs). Key search terms included cyclooxygenase inhibitors, nonsteroidal antiinflammatory agents, nephrotoxicity, and chemically induced.
Data Synthesis:
Three clinical trials determined that COX-2 inhibitors have similar adverse effects on the kidney when compared with nonselective NSAIDs, while 2 studies concluded that COX-2 inhibitors are less nephrotoxic than nonselective NSAIDs. All 5 trials utilized low numbers of subjects, short-term therapy, and surrogate markers of kidney damage.
Conclusions:
COX-2 inhibitors may not offer distinct advantages over nonselective NSAIDs with respect to kidney function. Longer trials in patients with comorbidities are warranted. These agents should be used cautiously or not at all in patients with predisposing conditions.