Development of a Novel Multi-compartment Granuloma Model to Predict Local Drug Distribution and Its Impact on Pharmacodynamics and Disease Progression in Tuberculosis

Objectives: One of the hallmarks of pulmonary tuberculosis (TB) is the formation of granulomas, heterogeneous lesions composed of macrophage and neutrophil rich peripheral regions and a necrotic core, in the lungs of the infected host. Anti-TB drugs must penetrate these lesions to exert their effects. This work aimed to extend a permeability-limited lung model [1] […]

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Development of a Permeability-limited Model of the Human Brain and Cerebrospinal Fluid (CSF) to Integrate Known Physiological and Biological Knowledge: Estimating Time Varying CSF Drug Concentrations and Their Variability Using In Vitro Data

A 4-compartment permeability-limited brain (4Brain) model consisting of brain blood, brain mass, cranial and spinal cerebrospinal fluid (CSF) compartments has been developed and incorporated into a whole body physiologically-based pharmacokinetic (PBPK) model within the Simcyp Simulator. The model assumptions, structure, governing equations and system parameters are described. The model in particular considers the anatomy and […]

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