The comparative pharmacokinetics of acemetacin in young subjects and elderly patients.

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Jones RW, Collins AJ, Notarianni LJ, Sedman E

The comparative pharmacokinetics of acemetacin in young subjects and elderly patients.

Br J Clin Pharmacol. 1991 May;31(5):543-5.

PubMed ID
1888622 [ View in PubMed
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Abstract

Single and multiple dose pharmacokinetics of acemetacin in 10 young healthy subjects and 10 elderly patients with osteoarthritis were studied. Peak plasma concentrations of acemetacin and its metabolite, indomethacin, were found between 2.4 and 4 h after an oral dose of the drug. After dosing to steady state (7 days), the mean plasma elimination half-life for acemetacin was 1.1 h and 1.0 h, and for indomethacin 7.1 h and 7.2 h in the young and elderly groups respectively. Statistical analysis of tmax, AUC, plasma t1/2 and residual drug concentrations for acemetacin or indomethacin revealed no significant differences (P greater than 0.05) between young subjects and elderly patients after acute or chronic dosing. The results suggest that drug accumulation did not occur in the elderly subjects over the time period studied and that, on pharmacokinetic grounds, dose adjustment in the elderly is unlikely to be required.

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