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  • Title: A new formulation of fluticasone propionate/salmeterol in a metered-dose inhaler (MDI HFA) allows for the reduction of a daily dose of corticosteroid and provides optimal asthma control - A randomized, multi-center, non-inferiority, phase IV clinical study.
    Author: Kupczyk M, Majak P, Kuna P, Asankowicz-Bargiel B, Barańska E, Dobek R, Garbicz S, Jerzyńska J, Latos A, Machowiak W, Majorek-Olechowska B, Olech-Cudzik A, Poziomkowska-Gęsicka I, Rulewicz-Warniełło M, Świderska A, Tarnowski M, Kopyto P.
    Journal: Respir Med; 2021 Jan; 176():106274. PubMed ID: 33276251.
    Abstract:
    BACKGROUND: Improvement of the delivery method of inhaled corticosteroids and subsequent dose reduction can minimize the risk of unfavorable outcomes while providing optimal asthma control. OBJECTIVE: This randomized, multi-center, non-inferiority, phase IV clinical study compared the efficacy and safety of a new formulation of fluticasone propionate/salmeterol (250 μg/50 μg, twice daily) administered in a metered-dose inhaler hydrofluoroalkane (MDI HFA) with a dry-powder inhaler (DPI) containing fluticasone propionate/salmeterol (500 μg/50 μg, twice daily). METHODS: Adults with asthma (n = 231) were randomly assigned to either the study group (treated for 12 weeks with fluticasone propionate/salmeterol MDI HFA) or a control group (treated for 12 weeks with fluticasone propionate/salmeterol DPI). Asthma symptoms, exacerbations, short-acting β2-agonist (SABA) use, physical activity, lung function, and general health status were assessed during four study visits. RESULTS: Compared with the reference drug, the study drug decreased the incidence of daytime and night-time asthma symptoms, asthma exacerbations, self-administration of SABA, and the limitation of physical activity. Comparable improvement in peak expiratory flow ([MDI HFA] from 6.2 ± 0.2 to 6.6 ± 0.2 l/s vs. [DPI] from 6.0 ± 0.2 to 6.9 ± 0.2 l/s; p > 0.05), forced expiratory volume in one second, and forced vital capacity were obtained in both groups. Significantly lower incidence of hoarseness was observed in the study group ([MDI HFA] 0.0% vs. [DPI] 2.8%; p = 0.0267); no major differences were found for other adverse events. CONCLUSIONS: Fluticasone propionate/salmeterol (250 μg/50 μg, twice daily) MDI HFA provides optimal asthma control and is non-inferior to fluticasone propionate/salmeterol (500 μg/50 μg, twice daily) DPI.
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