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Roland Buhl,1 Carl-Peter Criée,2 Peter Kardos,3 Claus F Vogelmeier,4 Konstantinos Kostikas,5 Nadine S Lossi,6 Heinrich Worth7 1Pulmonary Department, Mainz University Hospital, Mainz, 2Department of Sleep and Respiratory Medicine, Evangelical Hospital Goettingen-Weende, Bovenden, 3Group Practice and Centre for Allergy, Respiratory and Sleep Medicine, Red Cross Maingau Hospital, Frankfurt am Main, 4Department of Medicine, Pulmonary and Critical Care Medicine, University Medical Center Giessen and Marburg, Philipps-University Marburg, Member of the German Center for Lung Research (DZL), Marburg, Germany; 5WorldWide Medical Affairs Respiratory, Novartis Pharma AG, Basel, Switzerland; 6Clinical Research, Respiratory, Novartis Pharma GmbH, Nürnberg, 7Facharztforum Fürth, Fürth, Germany Background: No observational studies have evaluated the “real-world” effectiveness of dual bronchodilation comprising a long-acting β2-agonist plus a long-acting muscarinic antagonist vs that of triple therapy (long-acting β2-agonist plus long-acting muscarinic antagonist plus inhaled corticosteroid) in COPD.Materials and methods: DACCORD is a non-interventional, observational clinical study that recruited patients following COPD maintenance therapy initiation or change in maintenance therapy between or within therapeutic class. Given the non-interventional nature of the study, the decision to initiate or change medication had to be made by the patients’ physicians prior to inclusion in DACCORD. We used a matched-pairs analysis to compare disease progression in two patient groups: those receiving dual bronchodilation vs those receiving triple therapy (each group n=1,046).Results: In two subgroups of patients matched according to a broad range of demographic and disease characteristics, over 1 year, fewer patients receiving dual bronchodilation exacerbated than those receiving triple therapy (15.5% vs 26.6%; P |
