Comparison and critique of two models for regional drug delivery

Ronald A. Siegel, Roderick D. MacGregor, C. Anthony Hunt

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A simple stochastic recirculatory formalism is used to compare models of regional drug delivery due to Hunt et al. and Boddy and Aarons. It is shown that these two models are equivalent when regional delivery is ideal. The latter model has the advantage of simplicity. However, the former model appears more useful in relating predictions to experimentally accessible quantities. Neither model is sufficiently general to cover all possible topologies of regions associated with drug response and toxicity. Knowledge of this topology is essential in determining the drug targeting index. The underlying assumptions of the models are discussed, and situations where these assumptions may break down are identified. Finally, it is noted that the analysis of regional delivery may also apply to metabolite and prodrug kinetics.

Original languageEnglish (US)
Pages (from-to)363-373
Number of pages11
JournalJournal of Pharmacokinetics and Biopharmaceutics
Volume19
Issue number3
DOIs
StatePublished - Jun 1 1991

Keywords

  • physiologic modeling
  • recirculatory modeling
  • regional delivery
  • stochastic modeling
  • targeting

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