Inhaled formulations and pulmonary drug delivery systems for respiratory infections

QT Zhou, SSY Leung, P Tang, T Parumasivam… - Advanced drug delivery …, 2015 - Elsevier
Respiratory infections represent a major global health problem. They are often treated by
parenteral administrations of antimicrobials. Unfortunately, systemic therapies of high-dose …

Understanding dry powder inhalers: key technical and patient preference attributes

ML Levy, W Carroll, JL Izquierdo Alonso, C Keller… - Advances in …, 2019 - Springer
Inhalable medications for patients with asthma and chronic obstructive pulmonary disease
(COPD) can be confusing even for health care professionals because of the multitude of …

Use of computational fluid dynamics deposition modeling in respiratory drug delivery

PW Longest, K Bass, R Dutta, V Rani… - Expert opinion on …, 2019 - Taylor & Francis
Introduction: Respiratory drug delivery is a surprisingly complex process with a number of
physical and biological challenges. Computational fluid dynamics (CFD) is a scientific …

Validating CFD Predictions of Pharmaceutical Aerosol Deposition with In Vivo Data

G Tian, M Hindle, S Lee, PW Longest - Pharmaceutical research, 2015 - Springer
Purpose CFD provides a powerful approach to evaluate the deposition of pharmaceutical
aerosols; however, previous studies have not compared CFD results of deposition …

The impact of inspiratory flow rate on drug delivery to the lungs with dry powder inhalers

J Weers, A Clark - Pharmaceutical research, 2017 - Springer
Current marketed dry powder inhalers utilize the energy from patient inspiration to fluidize
and disperse bulk powder agglomerates into respirable particles. Variations in patient …

Towards whole-lung simulations of aerosol deposition: A model of the deep lung

PG Koullapis, FS Stylianou, J Sznitman, B Olsson… - Journal of Aerosol …, 2020 - Elsevier
In silico methods can be used to estimate regional deposition of inhaled aerosols in regions
of the lung that are inaccessible by direct measurements. Knowledge of deposited dose is …

Fine particle fraction: The good and the bad

SP Newman - Journal of aerosol medicine and pulmonary drug …, 2022 - liebertpub.com
Fine particle fraction (FPF) is defined in general terms as the fraction or percentage of the
drug mass contained in an aerosol cloud that may be small enough to enter the lungs and …

In Vitro Tests for Aerosol Deposition. VI: Realistic Testing with Different Mouth–Throat Models and In Vitro—In Vivo Correlations for a Dry Powder Inhaler, Metered …

X Wei, M Hindle, A Kaviratna, BK Huynh… - Journal of aerosol …, 2018 - liebertpub.com
Background: In vitro—in vivo correlations (IVIVC) for lung deposition may be established by
testing inhalers in vitro with realistic mouth–throat (MT) models and inhalation profiles (IP) …

Validating whole-airway CFD predictions of DPI aerosol deposition at multiple flow rates

PW Longest, G Tian… - Journal of aerosol …, 2016 - liebertpub.com
Background: The objective of this study was to compare aerosol deposition predictions of a
new whole-airway CFD model with available in vivo data for a dry powder inhaler (DPI) …

In vitro-in vivo correlations (IVIVCs) of deposition for drugs given by oral inhalation

SP Newman, HK Chan - Advanced Drug Delivery Reviews, 2020 - Elsevier
Conventional in vitro tests to assess the aerodynamic particle size distribution (APSD) from
inhaler devices use simple right-angle inlets (“mouth-throats”, MTs) to cascade impactors …