• Chest · May 2020

    Comparative Safety and Effectiveness of Inhaled Corticosteroids and Long-Acting β2 Agonist Combinations in Patients with Chronic Obstructive Pulmonary Disease.

    • Ting-Yu Chang, Jung-Yien Chien, Chung-Hsuen Wu, Yaa-Hui Dong, and Fang-Ju Lin.
    • Graduate Institute of Clinical Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan.
    • Chest. 2020 May 1; 157 (5): 1117-1129.

    BackgroundThe differential risk of pneumonia among inhaled corticosteroid (ICS) use in patients with COPD requires more investigation, especially regarding beclomethasone-containing inhalers. The goal of this study was to compare the risk and benefit profile of different ICS/long-acting β2-agonist (LABA) combinations in patients with COPD.MethodsThis retrospective cohort study was conducted by using national health insurance claims data from the years 2009 to 2015 in Taiwan and included patients with COPD with new ICS/LABA use. Propensity score matching and Cox regression models were used to estimate the hazard ratios of severe pneumonia and acute exacerbation for different ICS/LABA users.ResultsBoth budesonide/formoterol (BUD/FOR) dry-powder inhalers and beclomethasone/formoterol (BEC/FOR) metered-dose inhalers, compared with fluticasone propionate/salmeterol (FLU/SAL) delivered via the same device type, were associated with a lower risk of severe pneumonia (BUD/FOR hazard ratio [HR], 0.83 [95% CI, 0.70-0.98]; BEC/FOR HR, 0.69 [95% CI, 0.58-0.81]) and severe acute exacerbation (BUD/FOR HR, 0.88 [95% CI, 0.78-0.99]; BEC/FOR HR, 0.82 [95% CI, 0.72-0.93]). After additionally adjusting for the average daily ICS dose, BUD/FOR dry-powder inhaler users continued to have a significantly decreased risk of severe pneumonia (18%), although BEC/FOR metered-dose inhaler users did not. The results were consistent in most of the prespecified subgroups and across all the sensitivity analyses.ConclusionsThis study augments the existing evidence concerning the different safety and effectiveness outcomes of ICS/LABA combinations in patients with COPD, which may be considered when making clinical treatment decisions.Copyright © 2019 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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