Abstract
Indacaterol inhalation powder (Onbrez® Breezhaler®) is a long-acting, selective β2-adrenoceptor agonist that is indicated for the maintenance bronchodilator treatment of airflow obstruction in adults with chronic obstructive pulmonary disease (COPD). This article reviews the clinical efficacy and tolerability of indacaterol 150 and 300 mg once daily in adults with moderate to severe COPD, as well as reviewing indacaterol’s pharmacological properties and results of a cost-utility analysis.
Indacaterol has a fast onset of action after the first dose and is effective over 24 hours, allowing for once-daily administration. In short-term trials (≤21 days) in patients with COPD, once-daily indacaterol 150 or 300 mg significantly improved lung function, exercise endurance and lung hyperinflation relative to placebo.
In large, longer-term clinical studies (12 weeks to 1 year) in patients with moderate to severe COPD, once-daily indacaterol 150 or 300 μg improved lung function (primary endpoint) significantly more than placebo, and improvements were significantly greater than twice-daily formoterol 12μg or salmeterol 50mg, and noninferior to once-daily tiotropium bromide 18μg (all agents were administered via inhalation). Overall, indacaterol improved dyspnoea, use of rescue medication and general health status significantly more than placebo, salmeterol or tiotropium bromide, and the degree of improvement in these endpoints was similar to or greater than that achieved with formoterol. Improvements were sustained over the long term (1 year), with no evidence of tolerance.
Combination therapy with indacaterol plus tiotropium bromide improved lung function, dyspnoea, rescue medication use and general health status significantly more than tiotropium bromide alone in patients with moderate to severe COPD.
Indacaterol is generally well tolerated when used alone or in combination with tiotropium bromide in patients with COPD and has not been associated with any safety issues. The most common adverse event in clinical trials was COPD worsening, which occurred more commonly with placebo than indacaterol. Indacaterol was not associated with an increased risk of cardiovascular adverse events.
In a cost-utility analysis from a German healthcare payer perspective, oncedaily indacaterol 150 mg was dominant (i.e. more effective with lower total costs) to once-daily tiotropium bromide 18 mg and twice-daily salmeterol 50 μg in the treatment of patients with COPD.
In conclusion, indacaterol provides a valuable option for the maintenance treatment of adults with COPD.
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Disclosure
The preparation of this review was not supported by any external funding. During the peer review process, the manufacturer of the agent under review was offered an opportunity to comment on this article. Changes resulting from comments received were made by the author on the basis of scientific and editorial merit.
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Various sections of the manuscript reviewed by: R. Buhl, Pulmonary Department, Mainz University Hospital, Mainz, Germany; J.F. Donohue, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA; K-M. Beeh, Insaf Respiratory Research Institute, Wiesbaden, Germany; M. Cazzola, Unit of Respiratory Clinical Pharmacology, University of Rome ‘Tor Vergata’, Rome, Italy; H. Worth, Medical Department I, Klinikum Fürth, Fürth, Germany.
Data Selection
Sources: Medical literature (including published and unpublished data) on indacaterol was identified by searching databases (including MEDLINE, EMBASE) for articles published since 1996, bibliographies from published literature, clinical trial registries/databases and websites (including those of regional regulatory agencies and the manufacturer). Additional information (including contributory unpublished data) was also requested from the company developing the drug.
Search strategy: MEDLINE and EMBASE search terms were ‘indacaterol’ and (‘chronic obstructive pulmonary disease’ or ‘pulmonary disease, chronic obstructive’ or ‘chronic obstructive lung disease’). Searches were last updated 7 February 2012.
Selection: Studies in patients with chronic obstructive pulmonary disease who received indacaterol. Inclusion of studies was based mainly on the methods section of the trials. When available, large, well controlled trials with appropriate statistical methodology were preferred. Relevant pharmacodynamic and pharmacokinetic data are also included.
Index terms: Indacaterol, chronic obstructive pulmonary disease, pharmacodynamics, pharmacokinetics, pharmacoeconomics, therapeutic use, tolerability.
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McKeage, K. Indacaterol. Drugs 72, 543–563 (2012). https://doi.org/10.2165/11208490-000000000-00000
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DOI: https://doi.org/10.2165/11208490-000000000-00000