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  • Title: An overview of the benefits and drawbacks of inhaled corticosteroids in chronic obstructive pulmonary disease.
    Author: Singh S, Loke YK.
    Journal: Int J Chron Obstruct Pulmon Dis; 2010 Aug 09; 5():189-95. PubMed ID: 20714372.
    Abstract:
    BACKGROUND: The benefit harm profile of inhaled corticosteroids, and their effect on patient oriented outcomes and comorbid pneumonia, osteoporosis and cardiovascular disease in patients with chronic obstructive pulmonary disease remain uncertain. METHODS: An overview of the evidence on the risks and benefits of inhaled corticosteroids (fluticasone and budesonide) in chronic obstructive pulmonary disease from recent randomized controlled trials and systematic reviews. Observational studies on adverse effects were also evaluated. RESULTS: Evidence from recent meta-analysis suggests a modest benefit from inhaled corticosteroid long-acting beta-agonist combination inhalers on the frequency of exacerbations, (rate ratio [RR], 0.82; 95% confidence interval [CI]: 0.78 to 0.88), in improvements in quality of life measures, and forced expiratory volume in one second when compared to long-acting beta-agonists alone. On the outcome of pneumonia, our updated meta-analysis of trials (n = 24 trials; RR, 1.56; 95% CI: 1.40-1.74, P < 0.0001) and observational studies (n = 4 studies; RR, 1.44; 95% CI: 1.20-1.75, P = 0.0001) shows a significant increase in the risk of pneumonia with the inhaled corticosteroids currently available (fluticasone and budesonide). Evidence for any intraclass differences in the risk of pneumonia between currently available formulations is inconclusive due to the absence of head to head trials. Inhaled corticosteroids have no cardiovascular effects. CONCLUSIONS: Among patients with chronic obstructive pulmonary disease, clinicians should carefully balance these long-term risks of inhaled corticosteroid against their symptomatic benefits.
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