Allergy / Original Article
Comparison of extrafine and non-extrafine inhaled corticosteroids/long-acting β2-agonists as maintenance and reliever therapy in asthma: a randomized open-label crossover trial
Sang Pyo Lee, Sang Min Lee, Sung-Yoon Kang
Korean J Intern Med. 2025;40(3):491-501. Published online April 30, 2025
Background/Aims: Asthma is characterized by chronic inflammation. Inhaled corticosteroids (ICS) remain the cornerstone of anti-inflammatory therapy, targeting both the large and small airways.
Methods: This randomized open-label crossover trial included 30 patients receiving step 3 inhaled medicati..
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