نتایج جستجو برای: dry powder
تعداد نتایج: 136531 فیلتر نتایج به سال:
AIM To study the preparation and application of pulmonary surfactant (PS) nanoparticles as absorption enhancers in insulin dry powder delivery. PS is a complex mixture of mainly phospholipids and proteins. The composition leads to a unique spreading effect of the surfactants as well as spontaneous nanoparticles formation, which may be favorable characteristics of pulmonary drug delivery systems...
BACKGROUND A fatal incident was reported when a mechanical ventilated patient received nebulization of a reconstituted Relenza® formulation. We propose a delivery system to introduce Relenza and other inhalation dry powders to intubated patients to avoid accidental fatalities in the future. METHODS This is a bench study demonstrating the feasibility of a delivery system to introduce dry powde...
The lung dose and deposition patterns of drug delivered by dry powder inhaler are not known. The effects of inhaling 400 micrograms salbutamol delivered by dry powder inhaler (two 200 micrograms salbutamol Rotacaps), by pressurised metered dose inhaler, and by Acorn nebuliser were studied in nine subjects with chronic stable asthma. Technetium-99m labelled Teflon particles were mixed with micro...
Copyright © 2012 Frederick Furness Publishing 14 Nasal sprays that deliver active ingredients using droplets are well-established drug delivery vehicles, both for locally acting and systemic therapies. More recently, though, the pharmaceutical industry has started to turn its attention to delivering dry powders via the nasal route, a step that parallels the introduction of dry powder inhalers (...
Most clinicians and patients would intuitively say that the inhaler device used influences the outcome achieved in asthma. However, it is important to have objective evidence to support or refute this view. Systematic reviews have suggested that there is no difference in clinical effectiveness between dry powder inhalers and metered-dose inhalers. However, the studies included in the review wer...
Correct inhalation technique is essential for effective use of dry powder inhalers (DPIs), as their effectiveness largely depends on the patient's inhalation manoeuvre. Children are an especially challenging target population for DPI development due to the large variability in understanding and inspiratory capacities. We previously performed a study in which we determined the prerequisites for ...
[This corrects the article DOI: 10.1186/s40248-017-0092-5.].
BACKGROUND Previous studies have shown disparities between Black and Hispanic patients compared with other populations in response to asthma medications. OBJECTIVE The aim of this analysis was to assess the effect of budesonide/formoterol pressurized metered-dose inhaler (BUD/FM pMDI) and BUD on predefined criteria for asthma worsening, an asthma control metric generally aligned with definiti...
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