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Development of Novel Fluticasone/Salmeterol/Tiotropium-Loaded Dry Powder Inhaler and Bioequivalence Assessment to Commercial Products in Rats.
Pharmaceutics
January 2025
College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea.
/: Inhaler devices have been developed for the effective delivery of inhaled medications used in the treatment of pulmonary diseases. However, differing operating procedures across the devices can lead to user errors and reduce treatment efficacy, especially when patients use multiple devices simultaneously. To address this, we developed a novel dry powder inhaler (DPI), combining fluticasone propionate (FP), salmeterol xinafoate (SX), and tiotropium bromide (TB) into a single device designed for bioequivalent delivery compared to existing commercial products in an animal model.
View Article and Find Full Text PDFComparative analysis of real-world data on the efficacy and safety of and adherence to ICS/LABA combinations in asthma management.
Respir Res
January 2025
Department of Pulmonary, Allergy, and Critical Care Medicine, Chungnam National University School of Medicine, Daejeon, South Korea.
Background: Choosing effective devices (inhaled corticosteroid [ICS]-long-acting β2 agonist [LABA] combination inhalers) as maintenance treatment is critical for managing patients with asthma. We aimed to compare ICS/LABA combination efficacy, safety, and adherence across inhaler types and components in patients newly diagnosed with asthma.
Methods: Utilizing South Korea's National Health Insurance Service data, we conducted a population-based cohort study involving patients aged 18-80 years, newly diagnosed with asthma who received ICS/LABA combination therapy between January 2016 and December 2020.
Particularities of deposition of two ICS-LABA fixed dose combination dry powder aerosol drugs in the airways of COPD patients.
Respir Med
January 2025
Pulmonology Center of the Reformed Church, Munkácsy M. U.70, 2045, Törökbálint, Hungary.
The aim of this study was to analyse the effect of breathing parameters, age, gender and disease status on the lung doses of the two ICS + LABA fixed combination dry powder drugs. Breathing parameters of 113 COPD patients were measured while inhaling through emptied NEXThaler® and Ellipta® inhalers and the corresponding lung doses were calculated. Lung dose of Foster® NEXThaler® was superior to the lung dose of Relvar® Ellipta® in around 85 % of the patients.
View Article and Find Full Text PDFEvaluation of comparative efficacy of Umeclidinium/Vilanterol versus other bronchodilators in the management of chronic obstructive pulmonary disease: a systematic review and meta-analysis of RCTs.
BMC Pulm Med
December 2024
Department of Respiratory and Critical Care Medicine, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China.
Background: UMEC/VI administered via a combination inhaler is associated with a clinically significant improvement in lung function and health-related quality of life in patients with mild-to-moderate COPD. However, their efficacy compared to other bronchodilator mono or dual therapies still remains unclear.
Objective: The objective of this research was to evaluate the therapeutic efficacy of UMEC/VI dual and UMEC/VI/FF triple therapies versus alternative bronchodilator regimens in COPD patients.
Microstructural Characterization of Dry Powder Inhaler Formulations Using Orthogonal Analytical Techniques.
Pharm Res
October 2024
Pharmaceutical Surface Science Research Group, Department of Pharmacy & Pharmacology, University of Bath, Bath, UK.
Purpose: For locally-acting dry powder inhalers (DPIs), developing novel analytical tools that are able to evaluate the state of aggregation may provide a better understanding of the impact of material properties and processing parameters on the in vivo performance. This study explored the utility of the Morphologically-Directed Raman Spectroscopy (MDRS) and dissolution as orthogonal techniques to assess microstructural equivalence of the aerosolized dose of DPIs collected with an aerosol collection device.
Methods: Commercial DPIs containing different strengths of Fluticasone Propionate (FP) and Salmeterol Xinafoate (SX) as monotherapy and combination products were sourced from different regions.
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