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A physiological model for the pharmacokinetics of methylene chloride in B6C3F1 mice following i.v. administrations

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An Erratum to this article was published on 01 February 1985

Abstract

A physiologic mathematical model was developed to describe the time course of14C-methylene chloride (14CH2Cl2) distribution and elimination in mice following single i.v. administrations of 10 and 50mg/kg. A whole-body model was used to simulate14CH2Cl2 concentrations in blood and tissues, pulmonary clearance of unchanged14CH2Cl2, and metabolic conversion to14CO2 and14CO as monitored by the appearances of these metabolites in expired breath. This diffusion-limited model was identified via a sequential optimization scheme using hybrid models for each compartment. Pulmonary elimination of unchanged14CH2Cl2 was modeled as a linear process while hepatic metabolism of14CH2Cl2 to the compounds14CO2and14CO was described by a saturable metabolic rate term. The model adequately described the dose dependence in methylene chloride distribution and metabolism when simulations were compared to experimental data.

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Authors and Affiliations

  1. Central Research Department, General Foods Technical Center, 10591, Tarrytown, New York

    Michael J. Angelo, Alan B. Pritchard & Mark A. Presser

  2. Department of Chemical Engineering, University of Delaware, 19711, Newark, DE

    Kenneth B. Bischoff

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  1. Michael J. Angelo
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  2. Kenneth B. Bischoff
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  3. Alan B. Pritchard
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  4. Mark A. Presser
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Additional information

An erratum to this article is available at http://dx.doi.org/10.1007/BF01073661.

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Angelo, M.J., Bischoff, K.B., Pritchard, A.B. et al. A physiological model for the pharmacokinetics of methylene chloride in B6C3F1 mice following i.v. administrations. Journal of Pharmacokinetics and Biopharmaceutics 12, 413–436 (1984). https://doi.org/10.1007/BF01062666

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