Absolute bioavailability of glimepiride (Amaryl) after oral administration.

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Badian M, Korn A, Lehr KH, Malerczyk V, Waldhausl W

Absolute bioavailability of glimepiride (Amaryl) after oral administration.

Drug Metabol Drug Interact. 1994;11(4):331-9.

PubMed ID
12369756 [ View in PubMed
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Abstract

Twelve healthy fasting male volunteers received a single 1.0 mg dose of glimepiride either as an intravenous injection over one minute or as a tablet. Blood and urine samples were taken before drug administration and afterwards for up to 24 hours (blood) and 48 hours (urine) to determine serum and urinary concentrations of glimepiride and its hydroxy- and carboxy-metabolites (M1 and M2). There were no statistically significant differences between mean serum pharmacokinetic parameters for the oral and intravenous formulations either with glimepiride or M1. Mean urinary recovery of M1 plus M2 was 50% of the dose for the glimepiride tablet and 51% for the intravenous injection. The absolute bioavailability of the tablet formulation was 107% (AUDC(glimepiride)), 109% (AUDC(M1)) and 97% (urinary recovery). The tablet formulation of glimepiride is completely bioavailable and was safe and well tolerated in healthy volunteers.

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