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  • Title: Erdosteine reduces inflammation and time to first exacerbation postdischarge in hospitalized patients with AECOPD.
    Author: Moretti M, Fagnani S.
    Journal: Int J Chron Obstruct Pulmon Dis; 2015; 10():2319-25. PubMed ID: 26604731.
    Abstract:
    PURPOSE: Mucolytics can improve disease outcome in patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPD). The objectives of this study were to investigate the effects of erdosteine (ER), a mucolytic agent with antioxidant activity, on systemic inflammation, symptoms, recurrence of exacerbation, and time to first exacerbation postdischarge in hospitalized patients with AECOPD. PATIENTS AND METHODS: Patients admitted to hospital with AECOPD were randomized to receive either ER 900 mg daily (n=20) or a matching control (n=20). Treatment was continued for 10 days until discharge. Patients also received standard treatment with steroids, nebulized bronchodilators, and antibiotics as appropriate. Serum C-reactive protein levels, lung function, and breathlessness-cough-sputum scale were measured on hospital admission and thereafter at days 10 and 30 posttreatment. Recurrence of AECOPD-requiring antibiotics and/or oral steroids and time to first exacerbation in the 2 months (days 30 and 60) postdischarge were also assessed. RESULTS: Mean serum C-reactive protein levels were lower in both groups at days 10 and 30, compared with those on admission, with significantly lower levels in the ER group at day 10. Improvements in symptom score and forced expiratory volume in 1 second were greater in the ER than the control group, which reached statistical significance on day 10. ER was associated with a 39% lower risk of exacerbations and a significant delay in time to first exacerbation (log-rank test P=0.009 and 0.075 at days 30 and 60, respectively) compared with controls. CONCLUSION: Results confirm that the addition of ER (900 mg/d) to standard treatment improves outcomes in patients with AECOPD. ER significantly reduced airway inflammation, improved the symptoms of AECOPD, and prolonged time to first exacerbation. The authors suggest ER could be most beneficial in patients with recurring, prolonged, and/or severe exacerbations of COPD.
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