Comparative effectiveness of triple therapy versus dual bronchodilation in COPD

Jaco Voorham, Massimo Corradi, Alberto Papi, Claus F Vogelmeier, Dave Singh, Leonardo M Fabbri, Marjan Kerkhof, Janwillem H Kocks, Victoria Carter, David Price*

*Corresponding author for this work

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Abstract

This real-world study compared the effectiveness of triple therapy (TT; long-acting muscarinic antagonists (LAMAs)/long-acting inhaled β-agonists (LABAs)/inhaled corticosteroids (ICSs)) versus dual bronchodilation (DB; LAMAs/LABAs) among patients with frequently exacerbating COPD. A matched historical cohort study was conducted using United Kingdom primary care data. Patients with COPD aged ≥40 years with a history of smoking were included if they initiated TT or DB from no maintenance/LAMA therapy and had two or more exacerbations in the preceding year. The primary outcome was time to first COPD exacerbation. Secondary outcomes included time to treatment failure, first acute respiratory event, and first acute oral corticosteroid (OCS) course. Potential treatment effect modifiers were investigated. In 1647 matched patients, initiation of TT reduced exacerbation risk (adjusted hazard ratio (HR) 0.87, 95% CI 0.76-0.99), risk of acute respiratory event (HR 0.74, 95% CI 0.66-0.84) and treatment failure (HR 0.83, 95% CI 0.73-0.95) compared with DB. Risk reduction for acute respiratory events was greater for patients with higher rates of previous exacerbations. At baseline blood eosinophil counts (BECs) ≥ 0.35×109 cells·L-1, TT was associated with lower risk of OCS prescriptions than DB. This study provides real-life evidence of TT being more effective in reducing exacerbation risk than DB, which became more accentuated with increasing BEC and previous exacerbation rate.

Original languageEnglish
Article number106
Number of pages13
JournalERJ Open Research
Volume5
Issue number3
DOIs
Publication statusPublished - 30 Aug 2019

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    Voorham, J., Corradi, M., Papi, A., Vogelmeier, C. F., Singh, D., Fabbri, L. M., Kerkhof, M., Kocks, J. H., Carter, V., & Price, D. (2019). Comparative effectiveness of triple therapy versus dual bronchodilation in COPD. ERJ Open Research, 5(3), [106]. https://doi.org/10.1183/23120541.00106-2019