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Adding salmeterol to fluticasone propionate or increasing the dose of fluticasone propionate in patients with asthma

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Abstract:

The National Asthma Education and Prevention Program guidelines recommend two options for patients uncontrolled on inhaled corticosteroid (ICS) alone: add a long-acting bronchodilator or increase the dose of the ICS. The purpose of this study was to compare asthma-related exacerbations and asthma control in asthma patients receiving fluticasone propionate (FP) monotherapy with an increased dose of FP compared with maintaining the dose and adding salmeterol (SAL) via a single device (FP/SAL combination [FSC]). A retrospective observational study was performed using health insurance claims spanning from January 2001 to August 2006 (“study period”). Subjects were ≥12 years of age, with asthma (International Classification of Diseases [ICD] 493.xx), and were stepped up from FP 44 g to either FP 110 g (FP110) or FP 100 g/SAL 50 g (FSC), or from FP110 to either FP 220 g or FP 250 g/SAL 50 g (FSC). There were 1744 subjects identified, 557 (32%) increased FP and 1187 (68%) added SAL. The cohorts were relatively similar, and after adjusting for baseline characteristics, patients who added SAL to their same dose of FP had 41% lower odds of an asthma exacerbation (odds ratio = 0.59; 95% confidence interval [CI] = 0.46‐0.76; p < 0.001), 36% fewer prescriptions for a short-acting beta-agonist (rate ratio = 0.64; 95% CI = 0.58‐0.70; p < 0.001), and a 32% increase in ICS refill persistence compared with increasing the dose of FP. In asthma patients who are not adequately controlled with ICS (FP), adding SAL as FSC is associated with lower risk of an asthma-related exacerbation and better asthma control compared with increasing the dose of ICS (FP).
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  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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