alexa The influence of food on the disposition of the antiepileptic oxcarbazepine and its major metabolites in healthy volunteers.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Obesity & Weight Loss Therapy

Author(s): Degen PH, Flesch G, Cardot JM, Czendlik C, Dieterle W

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Abstract The effect of food on the pharmacokinetics of the antiepileptic oxcarbazepine (OXC) was investigated in healthy volunteers. Six healthy male volunteers were treated with single peroral doses of 600 mg of oxcarbazepine (Trileptal) after overnight fasting or a fat- and protein-rich breakfast. Mean (+/- SD) areas under the plasma concentration-time curves (AUC) of the major component in plasma, the active monohydroxy metabolite (MHD), which is responsible for the therapeutic effect in man, were 672 (25) mumol L-1 h when given to the fasted volunteers and 780 (31) mumol L-1 h (p = 0.042) when given after a substantial breakfast. Mean (+/- SD) maximum concentrations (Cmax) were 25.5 (4.8) mumol L-1 when given to the fasted volunteers and 31.4 (5.3) mumol L-1 (p = 0.025) when given after breakfast. Thus, the average AUC was increased by 16\% and Cmax by 23\% when oxcarbazepine was given with food. The times at which Cmax was reached (tmax) as well as the terminal half-lives were not influenced by concomitant intake of food. The tolerability was the same whether oxcarbazepine was given before or after food in healthy volunteers. The slight effect of food on the kinetics of oxcarbazepine should be of little therapeutic consequence.
This article was published in Biopharm Drug Dispos and referenced in Journal of Obesity & Weight Loss Therapy

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