Comparative evaluation of six techniques for determining the Michaelis-Menten parameters relating phenytoin dose and steady-state serum concentrations.

Abstract

Using randomly generated data within set error limits, the Michaelis-Menten parameters Dmax and Km relating steady-state serum phenytoin concentrations (Css) and dose (D) were determined by 5 graphical techniques and an iterative computer fit to the hyperbolic equation. The best mean estimates of Dmax and Km were provided by the latter. Assuming the… (More)

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