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JOURNAL ARTICLE

A Multicenter, Observational, Prospective Study of the Effectiveness of Switching from Budesonide/Formoterol Turbuhaler ® to Budesonide/Formoterol Easyhaler ®

Jörgen Syk, Ines Vinge, Mikael Sörberg, Mikko Vahteristo, Paula Rytilä
Advances in Therapy 2019 April 2
30941722

INTRODUCTION: In real-life practice, asthma remains poorly controlled, with a considerable burden on patients' quality of life. Budesonide/formoterol (B/F) Easyhaler® has demonstrated similar dose consistency, therapeutic equivalence, and equivalent bronchodilator efficacy to B/F Turbuhaler® , but no real-life comparisons are yet available in patients switching from B/F Turbuhaler® to B/F Easyhaler® .

METHODS: The primary objective of this real-life, non-interventional, observational study was to show non-inferiority of asthma control when adult patients in Swedish primary care with persistent asthma switched from B/F Turbuhaler® to B/F Easyhaler® . At visit 1, baseline demographic and endpoint data were recorded, and eligible patients switched to B/F Easyhaler® . The study comprised a control visit (visit 2) and a concluding examination (visit 3) after 12 weeks. Asthma control was assessed using the Asthma Control Test (ACT). The mini-Asthma Quality of Life Questionnaire (AQLQ) and lung function test were performed, and participants and investigators answered questionnaires about ease-of-use and teaching.

RESULTS: A total of 117 patients were enrolled in the on-treatment population; 81 (64.8%) were female. At visit 3, B/F Easyhaler® demonstrated non-inferiority to B/F Turbuhaler® ; the mean difference in change from baseline ACT was statistically significant (19.0 vs. 20.8, respectively; p < 0.0001) and met the non-inferiority criteria of B/F Easyhaler® being greater than - 1.5 points versus the reference product. Asthma was well controlled in 62 (53.0%) patients at baseline, increasing to 83 patients (70.9%) at visit 3. Patients experienced statistically significant improvements in mini-AQLQ score after B/F Easyhaler® treatment and lung function remained stable across the treatment period. B/F Easyhaler® was easy to learn and prepare for use.

CONCLUSION: This real-life, non-interventional, non-inferiority study in adults with persist asthma demonstrates equivalent or better disease control when patients switch from B/F Turbuhaler® to B/F Easyhaler® . A further study with direct comparison between treatments could add to the understanding of inhaler switch.

FUNDING: Orion Corporation, Orion Pharma.

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