ArticleJournal of asthma and allergy2024
Real-World Effectiveness of Mepolizumab in Patients with Allergic and Non-Allergic Asthma.
Article in Journal of asthma and allergy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Real-World Effectiveness of Mepolizumab Initiation in Treating Asthma and Concurrent Chronic Obstructive Pulmonary Disease in the US.Pulmonary therapy · 2026Article
- Real-World Evidence of Administration of Biologic Agents in Patients with Severe Asthma: An Analysis of the Respiratory Department of University Hospital of Patras Asthma Registry.Journal of clinical medicine · 2025Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: Real-world data on mepolizumab in patients with severe asthma and allergic and non-allergic phenotypes are limited. This study investigated the effectiveness of mepolizumab treatment in patients with severe asthma with allergic and non-allergic phenotypes. Patients and Methods: This retrospective cohort study (GSK ID: 214148) used administrative claims data from the Optum Research Database. Eligible patients were ≥6 years of age with asthma and had ≥2 mepolizumab claims post-index. Index date was the first mepolizumab claim/administration (January 2016-December 2018). Patients were divided into two cohorts: allergic and non-allergic asthma, based on diagnosis codes, medication use and lab test results. Outcomes included the rate of asthma-related exacerbations and oral corticosteroid (OCS) use during the 12 months before (baseline period) and 12 months after (follow-up period) mepolizumab initiation. Study ended in December 2019. Results: Overall, 240 (44.6%) and 298 (55.4%) patients were included in the allergic and non-allergic asthma cohorts, respectively. Mean (standard deviation [SD]) counts of asthma-related exacerbations were significantly reduced from baseline to follow-up in both the allergic and non-allergic asthma cohorts (3.2 [2.5] to 2.1 [2.1], p < 0.001 and 2.5 [2.2] to 1.7 [1.9], p < 0.001, respectively). The mean number of OCS pharmacy claims was significantly decreased by 33.3% and 41.4% from baseline to follow-up in the allergic and non-allergic cohorts, respectively (p < 0.001); mean daily OCS dose significantly decreased by 30.6% and 45.4%, respectively (p < 0.001) as well as the mean number of OCS bursts, which decreased by 44.9% and 41.8%, respectively (p < 0.001). No significant differences were observed between cohorts in reductions in asthma exacerbations, counts of OCS pharmacy claims or OCS bursts (baseline to follow-up). Conclusion: Mepolizumab significantly reduced asthma exacerbations and OCS use in patients with allergic and non-allergic asthma, suggesting that mepolizumab provides real-world benefit in severe asthma irrespective of whether a patient has an allergic phenotype.
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