Comparison of clinical remission criteria for severe asthma patients receiving biologic therapy.

Respir Med

Division of Pulmonary Medicine, Barzilai University Medical Center, Ashkelon, Israel; Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. Electronic address:

Published: February 2024

AI Article Synopsis

  • - The study explores the concept of remission for severe asthma patients on biological treatments, aiming to establish clearer criteria for successful remission which typically includes reduced steroid use, fewer exacerbations, minimal symptoms, and improved lung function.
  • - In a cross-sectional analysis of 39 adults with severe asthma, the research found that a significant percentage met some remission criteria, but there was considerable variability in outcomes depending on the specific criteria used.
  • - The findings suggest that while achieving clinical remission is possible for patients using biological therapies, there is a need for more consistent and clearly defined criteria to effectively measure and compare remission across different patients.

Article Abstract

Background: The concept of remission on biological treatment has been suggested as a therapeutic target for patients with severe asthma, composed of 1. no chronic use of systemic steroids, 2. no exacerbations, 3. minimal symptoms, and 4. optimized lung function, for a significant time. However, the criteria for remission are not clearly defined.

Objective: Our objective was to compare different criteria for remission in subjects receiving biologicals for severe asthma.

Methods: A cross-sectional study of adult subjects who receive a stable regimen of a biological for severe asthma for at least 6-months. We compared the proportion of subjects who fulfilled different specific criteria in the four domains, as well as those who achieved different composite outcome measures of clinical remission.

Results: Of 39 subjects, 28 were females (71.8%), mean age 60.4. Twelve were current or past smokers (30.8%). Twelve had prior different biological treatment (30.8%), and 3/39 had more than one previous treatment (7.7%). Current biological included mepolizumab 12/39 (30.8%), dupilumab 11/39 (28.2%), benralizumab 10/39 (25.6%), omalizumab 5/39 (12.8%), reslizumab 1/39 (2.6%). Different specific criteria were achieved in 39-80% of subjects, being highest for no chronic steroid use and lowest for symptoms control and lung function. Overall remission was obtained by 20-41%, depending on definition, with significant variability in agreement between different sets of remission criteria (Cohen's kappa 0.33-0.89).

Conclusion: Clinical remission is achievable in real-world severe asthmatics on biological therapies. The core criteria for remission should be better defined.

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Source
http://dx.doi.org/10.1016/j.rmed.2024.107528DOI Listing

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