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The effect of indacaterol/glycopyrronium versus tiotropium or salmeterol/fluticasone on the prevention of clinically important deterioration in COPD

Authors Anzueto AR, Vogelmeier CF, Kostikas K, Mezzi K, Fucile S, Bader G, Shen S, Banerji D, Fogel R

Received 26 January 2017

Accepted for publication 22 March 2017

Published 4 May 2017 Volume 2017:12 Pages 1325—1337

DOI https://doi.org/10.2147/COPD.S133307

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Charles Downs

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell

Antonio R Anzueto,1,2 Claus F Vogelmeier,3 Konstantinos Kostikas,4 Karen Mezzi,4 Sebastian Fucile,5 Giovanni Bader,4 Steven Shen,5 Donald Banerji,5 Robert Fogel5

1University of Texas Health Science Center, 2South Texas Veterans Healthcare System, University of Texas, San Antonio, TX, United States; 3Department of Medicine, Pulmonary and Critical Care Medicine, University Medical Center Giessen and Marburg, Philipps-Universität Marburg, Marburg, Germany; 4Novartis Pharma AG, Basel, Switzerland; 5Novartis Pharmaceuticals Corporation, East Hanover, NJ, United States

Background: Endpoints that evaluate deterioration rather than improvement of disease may have clinical utility in COPD. In this analysis, we compared the effects of different maintenance treatments on the prevention of clinically important deterioration (CID) in moderate-to-severe COPD patients.
Methods: Data were analyzed from three 26-week studies comparing indacaterol/glycopyrronium (IND/GLY) with tiotropium (TIO) or salmeterol/fluticasone (SFC). Two definitions of CID were used; each was a composite of three outcome measures typically associated with COPD. Definition 1 (D1) comprised a ≥100 mL decrease in forced expiratory volume in 1 second (FEV1), a ≥4-unit increase in St George’s Respiratory Questionnaire, and a moderate-to-severe COPD exacerbation. In Definition 2 (D2), a ≥1-unit decrease in transition dyspnea index replaced FEV1.
Results: Using D1, IND/GLY significantly reduced the risk of first or sustained CID versus either TIO (hazard ratio 0.72 [0.61, 0.86], P=0.0003 and 0.73 [0.61, 0.89], P=0.001) or SFC (0.67 [0.57, 0.80] and 0.63 [0.52, 0.77], both P<0.0001). With D2, IND/GLY significantly reduced the risk of first, but not sustained, CID versus TIO (0.80 [0.64 to 0.99], P=0.0359 and 0.85 [0.66, 1.10], P=0.2208) and both first and sustained CID versus SFC (0.73 [0.61, 0.88], P=0.001 and 0.72 [0.58, 0.90], P=0.0036).
Conclusion: These data confirm the utility of the CID endpoint as a means of monitoring COPD worsening in patients with moderate-to-severe COPD. Using the CID measure, we demonstrated that dual bronchodilation with IND/GLY significantly reduced the risk of CID versus either long-acting muscarinic antagonist or long-acting β2-agonist/inhaled corticosteroid treatment, providing further evidence for the benefit of dual bronchodilation in this patient population.

Keywords: IND/GLY, deterioration, COPD

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