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| | | ![]() Benefits of Inhaled Corticosteroids for COPD May Be Overstated NORTHBROOK, Ill -- February 4, 2010 -- Inhaled corticosteroids are widely used for the treatment of chronic obstructive pulmonary disease (COPD); however, research published in the February issue of the journal CHEST suggests that inhaled corticosteroids may only provide a modest benefit in reducing exacerbations in patients with COPD. For the study, Ritesh Agarwal, MD, Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India, and colleagues conducted a meta-analysis of 11 studies (comprising 8,164 patients) that reported the efficacy of inhaled corticosteroids versus placebo in the prevention of COPD exacerbations. The use of inhaled corticosteroids was associated with a modest reduction in the occurrence of exacerbations, with a subgroup analysis revealing only a benefit in patients with a forced expiratory volume in 1 second < 50%. Upon further analysis using meta-regression, the researchers found no demonstrable linear relationship between the efficacy of inhaled corticosteroids and prevention of COPD exacerbation that was related to the level of stable lung function. “There is only a modest benefit of inhaled corticosteroids in preventing COPD exacerbations, which is not related to the level of baseline lung function on meta-regression analysis,” the authors wrote. “The benefits of inhaled corticosteroids in preventing COPD exacerbations thus seem to be overstated.” The researchers concluded that the role of inhaled corticosteroids in preventing COPD exacerbations warrants reexamination.
SOURCE: American College of Chest Physicians
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