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Main Authors: Paz, Santiago Torres, Bejarano, Jose Ricardo Arteaga
Format: Preprint
Published: 2023
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Online Access:https://arxiv.org/abs/2310.19984
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author Paz, Santiago Torres
Bejarano, Jose Ricardo Arteaga
author_facet Paz, Santiago Torres
Bejarano, Jose Ricardo Arteaga
contents In this paper, we use Time Scale Calculus (TSC) to formulate and solve pharmacokinetic models exploring multiple dose dynamics. TSC is a mathematical framework that allows the modeling of dynamical systems comprising continuous and discrete processes. This characteristic makes TSC particularly suited for multi-dose pharmacokinetic problems, which inherently feature a blend of continuous processes (such as absorption, metabolization, and elimination) and discrete events (drug intake). We use this toolkit to derive analytical expressions for blood concentration trajectories under various multi-dose regimens across several flagship pharmacokinetic models. We demonstrate that this mathematical framework furnishes an alternative and simplified way to model and retrieve analytical solutions for multi-dose dynamics. For instance, it enables the study of blood concentration responses to arbitrary dose regimens and facilitates the characterization of the long-term behavior of the solutions, such as their steady state.
format Preprint
id arxiv_https___arxiv_org_abs_2310_19984
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Time Scale Calculus: A New Approach to Multi-Dose Pharmacokinetic Modeling
Paz, Santiago Torres
Bejarano, Jose Ricardo Arteaga
Dynamical Systems
26E70, 34N05, 39A60
In this paper, we use Time Scale Calculus (TSC) to formulate and solve pharmacokinetic models exploring multiple dose dynamics. TSC is a mathematical framework that allows the modeling of dynamical systems comprising continuous and discrete processes. This characteristic makes TSC particularly suited for multi-dose pharmacokinetic problems, which inherently feature a blend of continuous processes (such as absorption, metabolization, and elimination) and discrete events (drug intake). We use this toolkit to derive analytical expressions for blood concentration trajectories under various multi-dose regimens across several flagship pharmacokinetic models. We demonstrate that this mathematical framework furnishes an alternative and simplified way to model and retrieve analytical solutions for multi-dose dynamics. For instance, it enables the study of blood concentration responses to arbitrary dose regimens and facilitates the characterization of the long-term behavior of the solutions, such as their steady state.
title Time Scale Calculus: A New Approach to Multi-Dose Pharmacokinetic Modeling
topic Dynamical Systems
26E70, 34N05, 39A60
url https://arxiv.org/abs/2310.19984