Pharmacokinetic study of tolmetin in the rat. |
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Authors: | J Sabater J Domenéch R Obach |
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Affiliation: | Research Department of Aldo-Union Laboratories, Esplugues, Barcelona, Spain. |
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Abstract: | The pharmacokinetics of tolmetin (CAS 26171-23-3) was studied in male Wistar rats after intravenous and oral administration of 32.95 mg/kg. After intravenous administration of the drug, it was shown that the most probable model was the two-compartment-open model with Michaelis-Menten elimination. After oral administration, the drug was absorbed rapidly (K01 = 0.1304 min-1). The bioavailability was 96.94% and the drug was mostly excreted as 1-methyl-5-(4-carboxybenzoyl)-1H-pyrrole-2-acetic acid, while the excretion of the unchanged drug was 6.12%. |
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