Azithromycin associated with higher remission rate among patients with chronic Asthma: Study
Azithromycin is associated with a higher remission rate among patients with chronic Asthma suggests a study published in the Chest.
This secondary analysis used data from the AMAZES clinical trial – a double-blind placebo-controlled trial that evaluated the safety and efficacy of azithromycin on asthma exacerbations. The primary remission definition (referred to as clinical remission) was zero exacerbations and zero oral corticosteroids (OCS) during the previous six months evaluated at 12 months and Asthma Control Questionnaire (ACQ-5) ≤1 at 12 months. Secondary remission definitions included clinical remission plus lung function criteria (post-bronchodilator FEV1≥80% or post-bronchodilator FEV1≤5% decline from baseline) and complete remission (sputum eosinophils<3% plus the above criteria). Sensitivity analyses explored the robustness of primary and secondary remission definitions. The predictors of clinical remission were identified. Results: 335 participants (41.5% male; median [Q1, Q3] age 61.01 [51.03, 68.73] years) who completed the 12-month treatment period were included in the analysis. Twelve months of treatment with azithromycin induced asthma remission in a subgroup of patients, and a significantly higher proportion in the azithromycin arm achieved both clinical remission (50.6% vs 38.9%; p=0.032) and clinical remission plus lung function criteria (50.8% vs 37.1%; p=0.029) compared with placebo.
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