Dual bronchodilation in COPD

lung function and patient-reported outcomes – a review

David Price, Anders Ostrem, Mike Thomas, Tobias Welte

Research output: Contribution to journalArticle

12 Citations (Scopus)
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Abstract

Several fixed-dose combinations (FDCs) of long-acting bronchodilators (a long-acting muscarinic antagonist [LAMA] plus a long-acting β2-agonist [LABA]) are available for the treatment of COPD. Studies of these FDCs have demonstrated substantial improvements in lung function (forced expiratory volume in 1 second) in comparison with their respective constituent monocomponents. Improvements in patient-reported outcomes (PROs), such as symptoms and health status, as well as exacerbation rates, have been reported compared with a LABA or LAMA alone, but results are less consistent. The inconsistencies may in part be owing to differences in study design, methods used to assess study end points, and patient populations. Nevertheless, these observations tend to support an association between improvements in forced expiratory volume in 1 second and improvements in symptom-based outcomes. In order to assess the effects of FDCs on PROs and evaluate relationships between PROs and changes in lung function, we performed a systematic literature search of publications reporting randomized controlled trials of FDCs. Results of this literature search were independently assessed by two reviewers, with a third reviewer resolving any conflicting results. In total, 22 Phase III randomized controlled trials of FDC bronchodilators in COPD were identified, with an additional study including a post-literature search (ten for indacaterol–glycopyrronium once daily, eight for umeclidinium–vilanterol once daily, three for tiotropium–olodaterol once daily, and two for aclidinium–formoterol twice daily). Results from these studies demonstrated that the LAMA–LABA FDCs significantly improved lung function compared with their component monotherapies or other single-agent treatments. Furthermore, LABA–LAMA combinations also generally improved symptoms and health status versus monotherapies, although some discrepancies between lung function and PROs were observed. Overall, the safety profiles of the FDCs were similar to placebo. Further research is required to examine more closely any relationship between lung function and PROs in patients receiving LABA–LAMA combinations.
Original languageEnglish
Pages (from-to)141—168
Number of pages28
JournalInternational journal of chronic obstructive pulmonary disease
Volume12
Early online date30 Dec 2016
DOIs
Publication statusPublished - 2017

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Chronic Obstructive Pulmonary Disease
Lung
Muscarinic Antagonists
Bronchodilator Agents
Forced Expiratory Volume
Health Status
Randomized Controlled Trials
Publications
Placebos
Patient Reported Outcome Measures
Safety
Therapeutics
Research
Population

Keywords

  • chronic obstructive pulmonary disease
  • combination therapy
  • dyspnea
  • forced expiratory volume
  • health status
  • spirometry

Cite this

Dual bronchodilation in COPD : lung function and patient-reported outcomes – a review. / Price, David; Ostrem, Anders; Thomas, Mike; Welte, Tobias.

In: International journal of chronic obstructive pulmonary disease , Vol. 12, 2017, p. 141—168.

Research output: Contribution to journalArticle

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