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A Retrospective Review of Children Admitted With Acute Severe Asthma to the Paediatric Intensive Care Unit, Red Cross War Memorial Children's Hospital Between 2009 and 2019.
J Paediatr Child Health
January 2025
Paediatric Intensive Care Unit, Red Cross War Memorial Children's Hospital, Senior Lecturer, Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa.
Aim: There is limited data on the PICU outcomes of children with acute severe asthma (ASA) in South Africa. This study aims to describe the profiles and treatment of all children admitted to our PICU with ASA.
Methods: A retrospective audit of all children admitted with ASA to the PICU at Red Cross War Memorial Children's Hospital between 01 January 2009 and 31 December 2019.
Effect of lubricants type and particle size on the rheological properties and aerosolization behavior of dry powder inhalers.
Int J Pharm
December 2024
School of Pharmacy, Shenyang Key Laboratory of Intelligent Mucosal Drug Delivery Systems, Shenyang Pharmaceutical University, Shenyang 110016, China; Joint International Research Laboratory of Intelligent Drug Delivery Systems, Ministry of Education, China. Electronic address:
A commonly used strategy to improve aerosolization behavior of carrier-based dry powder inhalers (DPIs) is the addition of magnesium stearate as a lubricant, yet it may also negatively affect properties of DPIs. Thus, the aim of this study was to find lubricants that could be used as alternatives of magnesium stearate and meanwhile verify the applicability of using powder rheological properties to predict the performance of different lubricants in DPIs. Here, using fluticasone propionate as a model drug, LH200 as the carrier, influence of lubricants type and particle size, including magnesium stearate, sodium stearate, Leucine, sodium stearate fumarate, Compritol® 888 ATO, and Compritol® HD5 ATO, on the physicochemical properties, powder rheology and aerosolization behavior of the DPI formulations was characterized.
View Article and Find Full Text PDFIntravenous magnesium sulfate in pulmonary hypertension of the newborn: a systematic review.
Eur Rev Med Pharmacol Sci
August 2024
Department of Anesthesia and Intensive Care, ASP Trapani, Trapani, Italy.
Objective: Pulmonary hypertension in the newborn (PPHN) is a significant clinical condition characterized by elevated pulmonary artery pressures, leading to serious health consequences. Magnesium sulfate, known for its vasodilatory properties, has been studied for its potential benefits in managing PPHN. This systematic review evaluates the efficacy and safety of magnesium sulfate in neonates with PPHN.
View Article and Find Full Text PDFSynergistic effect of magnesium stearate and fine lactose in improving aerosolization performance of fluticasone propionate in dry powder formulation.
Int J Pharm
October 2024
School of Pharmacy, Shenyang Key Laboratory of Intelligent Mucosal Drug Delivery Systems, Shenyang Pharmaceutical University, Shenyang 110016, China; Joint International Research Laboratory of Intelligent Drug Delivery Systems, Ministry of Education, China. Electronic address:
Magnesium stearate (MgSt) and lactose fines are often used as ternary components in carrier-based dry powder inhalers (DPIs) to improve fine particle fraction (FPF), but whether they act synergistically to improve aerosolization performance of DPI formulations is currently less studied. In addition, the applicability of utilizing powder rheological parameters to predict the FPF needs to be further verified. Thus, in this study, using fluticasone propionate (FP) as a model drug, effect of lactose fines addition in 0.
View Article and Find Full Text PDFHigh-loading cannabidiol powders for inhalation.
Int J Pharm
July 2024
Advanced Drug Delivery Group, Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, NSW 2006, Australia. Electronic address:
Article Synopsis
- * It found that using magnesium stearate improved aerosol performance and that the shape and size of the particles varied based on the type of inhaler used, with low-resistant inhalers resulting in higher throat deposition.
- * The optimal formulation was determined to be CBD powder with 5% magnesium stearate using a high-resistance inhaler, which showed promising results with the best fine particle fraction and minimal throat deposition, indicating potential for future in vivo testing.
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