• S Lassan, J Keszegh, and M Lassanova.
• Bratisl Med J. 2022 Jan 1; 123 (1): 27-36.

BackgroundInflammation associated with chronic obstructive pulmonary disease (COPD) causes narrowing of the airways and destruction of the lung parenchyma. The triple therapy (ICS+LABA+LAMA) may improve lung function, patient‑reported outcomes, and exacerbation risk in a specified subset of GOLD group D patients. A better understanding of the factors leading to the single‑inhaler triple therapy (SITT) prescription in real-life scenario is still an unmet need.MethodsWe assessed the characteristics of 838 GOLD group D patients treated with SITT and way of how those patients had been routinely managed before in their outpatient settings. The cross-sectional observational survey was based on an assessment of routine practice patterns and retrospective collection of anonymous medical data.ResultsSevere and very severe forms of airflow obstruction were experienced by 52 % and 34 % of patients, respectively. The mean number of exacerbations during the 12‑month period antecedent to SITT prescription was 2.01. Before starting SITT, various combinations of COPD medications were prescribed: LABA (95 %), followed by ICS and LAMA. Compared to patients with 0-1 exacerbation, the patients with ≥2 exacerbations had higher levels of mMRC and CAT scores (2.47 vs 2.69 and 16.02 vs 19.31, respectively, both p <0.001), worse treatment adherence and higher need for rescue medication (4.7 vs 3.9 units, p=0.0011). The driver for switching the treatment to SITT was an expected improvement in lung function followed by reduction in dyspnoea and number of exacerbations.ConclusionsDespite current treatment, the burden of COPD remains significant in GOLD group D patients. The lung function, symptoms burden and exacerbation history are among the most important factors involved in the decision for stepping up to SITT with potential roles of both bronchodilator and anti-inflammatory components (Tab. 2, Fig. 9, Ref. 66).

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