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Lookup NU author(s): Dr Simon Doe
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© 2025 American Academy of Allergy, Asthma & Immunology. Background: Clinical remission on biologics is an achievable goal for patients with severe asthma (SA). Most reports present short-term follow-up, include small cohort sizes, or present data on patients included in clinical trials. Objective: This study evaluates clinical remission rates in a real-world cohort of patients over the course of up to 4 years on different biologics and include those who switched biologic during this period. We also assess barriers and predictors of remission. Methods: Retrospective study of 525 patients in the U.K. SA registry who were initiated on a biologic between January 2015 and May 2022. Clinical remission was assessed at 2 time points: first review (9–24 mo) and long-term review (30–48 mo), and defined as controlled asthma (Asthma Control Questionnaire [6-item] < 1.5), no exacerbations in the preceding 12 months, and no maintenance oral corticosteroid use. Results: Clinical remission was achieved in 25.1% at first review, increasing to 32.1% at long-term review. This improvement occurred regardless of biologic switching. Among those in remission at first review, 69.7% remained in remission at long-term review whereas 45.6% of those in long-term remission had not been in remission at first review. Higher symptoms burden and presence of anxiety/depression was negatively associated with achieving long-term remission. Advanced age at baseline and the presence of nasal polyps increased the likelihood of long-term remission. Conclusions: In this large real-world cohort of patients with SA, there is a progressive increase in remission rates over 4 years, which is influenced by the presence of comorbidities but is largely independent of biologic switching.
Author(s): Redmond C, Busby J, Mansur AH, Patel M, Patel PH, Pfeffer PE, Heaney LG, Rupani H, Brown T, Doe S, Gore R, Dodd J, Jackson D, Faruqi S, Naveed S, Docherty M, Wildman M, Subramanian D, Shrikrishna D, Burhan H, Brilly S, Idris E
Publication type: Article
Publication status: Published
Journal: Journal of Allergy and Clinical Immunology: In Practice
Year: 2025
Pages: Epub ahead of print
Online publication date: 22/10/2025
Acceptance date: 13/10/2025
ISSN (print): 2213-2198
ISSN (electronic): 2213-2201
Publisher: American Academy of Allergy, Asthma and Immunology
URL: https://doi.org/10.1016/j.jaip.2025.10.011
DOI: 10.1016/j.jaip.2025.10.011
PubMed id: 41135851
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