Stolz D, Hirsch HH, Schilter D, Louis R, Rakic J, Boeck L, et al. Intensified therapy with inhaled corticosteroids and long-acting b2-agonists at the onset of upper respiratory tract infection to prevent chronic obstructive pulmonary disease exacerbations: A multicenter, randomized, double-blind, placebo-controlled trial. Am J Respir Crit Care Med 2018;197:1136-1146.
Rennard SI, Tashkin DP, McElhattan J, Goldman M, Ramachandran S, Martin UJ, et al. Efficacy and tolerability of budesonide/formoterol in one hydrofluoroalkane pressurized metered-dose inhaler in patients with chronic obstructive pulmonary disease: Results from a 1-year randomized controlled clinical trial. Drugs 2009;69:549-565.
Tashkin DP, Rennard SI, Martin P, Ramachandran S, Martin UJ, Silkoff PE, et al. Efficacy and safety of budesonide and formoterol in one pressurized metered-dose inhaler in patients with moderate to very severe chronic obstructive pulmonary disease: Results of a 6-month randomized clinical trial. Drugs 2008;68:1975-2000.
Sharafkhaneh A, Southard JG, Goldman M, Uryniak T, Martin UJ. Effect of budesonide/formoterol pMDI on COPD exacerbations: A double-blind, randomized study. Respir Med 2012;106:257-268.
Make BJ, Eriksson G, Calverley PM, Jenkins CR, Postma DS, Peterson S, et al. A score to predict short-term risk of COPD exacerbations (SCOPEX). Int J Chron Obstruct Pulmon Dis 2015;10: 201-209.
Ferguson GT, Anzueto A, Fei R, Emmett A, Knobil K, Kalberg C. Effect of fluticasone propionate/salmeterol (250/50 mg) or salmeterol (50 mg) on COPD exacerbations. Respir Med 2008; 102:1099-1108.
Kardos P, Wencker M, Glaab T, Vogelmeier C. Impact of salmeterol/ fluticasone propionate versus salmeterol on exacerbations in severe chronic obstructive pulmonary disease. Am J Respir Crit Care Med 2007;175:144-149.
Calzetta L, Matera MG, Braido F, Contoli M, Corsico A, Di Marco F, et al. Withdrawal of inhaled corticosteroids in COPD: A meta-analysis. Pulm Pharmacol Ther 2017;45:148-158.
Boeck L, Soriano JB, Brusse-Keizer M, Blasi F, Kostikas K, Boersma W, et al. Prognostic assessment in COPD without lung function: The B-AE-D indices. Eur Respir J 2016;47:1635-1644.
Wedzicha JA, Banerji D, Chapman KR, Vestbo J, Roche N, Ayers RT, et al. Indacaterol-glycopyrronium versus salmeterol-fluticasone for COPD. N Engl J Med 2016;374:2222-2234.
