Rivero-Ferrer E, Olesen M, Plana E, Aguado J, Saigi-Morgui N, Rubino A, Daoud SZ, Lei A, Perez-Gutthann S, Schink S, Kristiansen NS, Hallas J, Pottegard A, Rebordosa C. Characteristics of new users of aclidinium bromide, aclidinium/formoterol, and other COPD medications in the United Kingdom, Denmark, and Germany. Clin Drug Invest. 2022 Apr;42(4):319-31. doi: 10.1007/s40261-022-01120-2

BACKGROUND AND OBJECTIVES: Aclidinium bromide was approved in the European Union for the treatment of chronic obstructive pulmonary disease (COPD) in adult patients in 2012 and in a fixed-dose combination with formoterol in 2014. We characterised new users of aclidinium, aclidinium/formoterol and other COPD medications and evaluated off-label prescribing of these medications in three European populations.

METHODS: We described demographic characteristics, comorbidities, comedications, COPD severity and off-label prescribing of new users of aclidinium, aclidinium/formoterol and other COPD medications in patients with COPD aged ≥ 40 years in the Clinical Practice Research Datalink (CPRD, UK), Danish National Health Databases, and German Pharmacoepidemiological Research Database (GePaRD) between 2015 and 2017.

RESULTS: We included 17,668 new users of aclidinium (CPRD, 4871; Denmark, 2836; GePaRD, 9961) and 14,808 new users of aclidinium/formoterol (CPRD, 2153; Denmark, 2586; GePaRD, 10,069). Study patients were of similar age, except in GePaRD, where users of long-acting beta2-agonists (LABA)/inhaled corticosteroids were younger. Patients had multiple comorbidities and used multiple comedications-most frequently hypertension (50-79%) and short-acting beta2-agonists (26-84%). Aclidinium users in CPRD and long-acting anticholinergics/LABA users in Denmark and GePaRD had the highest frequency of severe/very severe COPD. Off-label prescribing of aclidinium (5.0% [CPRD]-8.9% [Denmark]) and aclidinium/formoterol (2.6% [GePaRD]-3.2% [CPRD]) was low, and the main reason was asthma without a COPD diagnosis.

CONCLUSIONS: Aclidinium and aclidinium/formoterol were mostly prescribed according to label, with preference given to older patients with more severe COPD and to patients with a high prevalence of comorbidities and comedication use.

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