• CalverleyPeter M APMAa School of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK., Helgo Magnussen, Marc Miravitlles, and Jadwiga A Wedzicha.
• a School of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK.
• COPD. 2017 Dec 1; 14 (6): 648-662.

AbstractTriple inhaled therapy for chronic obstructive pulmonary disease (COPD) consists of an inhaled corticosteroid (ICS), a long-acting β2-agonist (LABA) and a long-acting muscarinic antagonist (LAMA) taken in combination. Triple therapy is recommended by the Global initiative for Chronic Obstructive Lung Disease (GOLD) for patients who experience recurrent exacerbations despite treatment with either a dual bronchodilator (preferred initial therapy) or LABA/ICS combination (alternative initial therapy). Although there is evidence for the greater efficacy of triple therapy compared with LABA/ICS and LAMA monotherapy with regards to improved lung function, health status, and exacerbation rate, the efficacy of triple therapy when compared with dual bronchodilation (LABA/LAMA) is as yet unknown. As ICS use is associated with an increased risk of developing pneumonia, it is important to assess the risk/benefit ratio of triple therapy on an individual basis, and identify patients most likely to benefit. The role of elevated blood eosinophils as a biomarker for the identification of candidates for ICS treatment is currently debated, and further prospective evidence is required. This review assesses evidence for the efficacy and safety of triple therapy and postulates on the prospective evidence from ongoing studies. The potential for treating patients who experience further exacerbations on dual bronchodilation according to phenotype is also considered, as well as withdrawal of ICS from triple therapy in patients who are unlikely to benefit.

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