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Arch Intern Med. 2000 May 22;160(10):1465-70.

Effects of celecoxib and naproxen on renal function in the elderly.

Author information

  • 1Universal Clinical Research Center, Inc, Hunt Valley, MD 21030-1603, USA. huntvalley@aol.com

Abstract

OBJECTIVE:

To compare the effects of celecoxib, a cyclooxygenase 2-specific inhibitor, with the nonspecific cyclooxygenase 1 and 2 inhibitor naproxen on renal function in 29 healthy elderly subjects in a single-blind, randomized, crossover study.

METHODS:

Subjects received either celecoxib, 200 mg twice daily, for 5 days followed by celecoxib, 400 mg twice daily, for the next 5 days, or they received naproxen, 500 mg twice daily, for 10 days. After a 7-day washout, subjects were crossed over to receive the other regimen.

RESULTS:

After the first dose, the trend was for a greater decrease in glomerular filtration rate with naproxen (-5.31 mL/min per 1.73 m2) compared with celecoxib (-0.86 mL/min per 1.73 m2). The treatment difference became statistically significant on day 6 (-7.53 vs -1.11 mL/min per 1.73 m2 for naproxen and celecoxib, respectively; P=.004). Urinary prostaglandin E2 and 6-keto-prostaglandin F1alpha excretion was significantly reduced from baseline across the treatment interval with both celecoxib and naproxen (P< or =.04). There were no significant differences in prostaglandin excretion between these 2 agents (P> or =.07). Small, transient decreases (P<.05) in urinary sodium excretion were observed after the initiation of both celecoxib and naproxen treatment. Sodium excretion values returned to baseline by the end of the study.

CONCLUSIONS:

The results indicate that cyclooxygenase 2-specific inhibition in healthy elderly subjects may spare renal hemodynamic function, although the effects on sodium excretion, as well as urinary prostaglandin E2 and 6-keto-prostaglandin F1alpha excretion, appear to be similar to those of nonspecific cyclooxygenase inhibitors such as naproxen.

PMID:
10826459
[PubMed - indexed for MEDLINE]
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