Multiple-Dose Nonlinear Regression Analysis Program for the Microcomputer

Abstract
An adaptation of a previously published program for nonlinear regression analysis of serum drug concentrations which can utilize data obtained during multiple-dose administration is described. Specific programs were developed for aminoglycosides [e.g., amikacin], digoxin and theophylline. The programs provide initial parameter estimates (for a 1-compartment linear model) for each drug based on mean population parameters and refined estimates based on observed concentration data. Clinical examples which demonstrate the flexibility of these programs are provided. The programs may also be employed for fitting data for any drug that can be adequately described by a 1-compartment linear model.

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