Letter to Editor
Appraising Digital Inhalers in Asthma: Small Average Gains, Heterogeneous Devices, Unanalyzed Subgroups
Received Date:August 18,2025; Published Date:September 08, 2025
Abstract
The recent systematic review of patient-facing digital inhalers for asthma in J Allergy and Clinical Immunology: In Practice combined 12 randomized trials [n≈2,500] and concluded that digital inhalers likely improve asthma control [mean Asthma Control Test difference 0.63; 44% vs. 39.8% achieving a ≥3-point improvement] and may reduce severe exacerbations with minimal harm [1]. These findings are encouraging, but several limitations reduce their clinical significance.
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