Prediction of Liver Volume; One Size Doesn’t Fit All!

Ben Small

When your physician writes you a prescription, they do so knowing that the dose prescribed will (on average) be safe and beneficial to you, but that it is likely certainly not optimal for you as an individual (as has been the topic of a previous blog post). The balance between absorption, distribution and elimination of […]

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Topics: PBPK Modeling & Simulation, PK/PD Modeling & Simulation

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 Multicompartment Permeability-limited Lung PBPK Model and Its Application in Predicting Pulmonary Pharmacokinetics of Antituberculosis Drugs

Achieving sufficient concentrations of antituberculosis (TB) drugs in pulmonary tissue at the optimum time is still a challenge in developing therapeutic regimens for TB. A physiologically based pharmacokinetic model incorporating a multi-compartment permeability-limited lung model was developed and used to simulate plasma and pulmonary concentrations of seven drugs. Passive permeability of drugs within the lung was predicted using an in vitro-in vivo extrapolation approach. Simulated epithelial lining fluid (ELF):plasma concentration ratios showed reasonable […]

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