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Expert Opin Drug Saf. 2009 Nov;8(6):669-81. doi: 10.1517/14740330903311023.

Renal adverse effects of nonsteroidal anti-inflammatory drugs.

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1
East Tennessee State University, Department of Pharmaceutical Sciences, Johnson City, 37614, USA.

Abstract

NSAIDs depress prostaglandins synthesis through inhibition of COX-1 that is involved in maintaining cell integrity and COX-2 that, although presents particularly in the kidneys, is overexpressed in response to inflammation. Both the beneficial and side effects of NSAIDs are, therefore, through their inhibition of COX enzymes. Introduction of COX-2-selective inhibitors has improved the safety profile of the drugs with regard to their most common side effect which occurs at the gastrointestinal level but has not rendered them less cardio-nephrotoxic. Renal side effects of NSAIDs are rare, sometimes transient and often reversible upon drug withdrawal. The incident rate and the severity of the renal side effect, however, increase in patients with risk factors such as those with diabetes, heart failure, renal dysfunction and in the elderly. The side effects range from electrolyte retention and reduce glomerular filtration to nephritic syndrome and chronic renal failure. These effects are shared among NSAIDs with evidence of dose and exposure dependency. There is no known predictor for the nephrotoxicity. However, a relationship has been found between high plasma concentration and the renal adverse effect of NSAIDs. The usefulness of therapeutic drug monitoring in patients with risk factors needs to be explored.

PMID:
19832117
DOI:
10.1517/14740330903311023
[Indexed for MEDLINE]

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