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International Severe Asthma Registry (ISAR): 2017-2024 status and progress update

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posted on 2025-05-08, 10:24 authored by Désirée Larenas-Linnemann, Richard CostelloRichard Costello, David B Price

The International Severe Asthma Registry (ISAR) was established in 2017 to advance the understanding of severe asthma and its management, thereby improving patient care worldwide. As the first global registry for adults with severe asthma, ISAR enabled individual registries to standardize and pool their data, creating a comprehensive, harmonized dataset with sufficient statistical power to address key research questions and knowledge gaps. Today, ISAR is the largest repository of real-world data on severe asthma, curating data on nearly 35,000 patients from 28 countries worldwide, and has become a leading contributor to severe asthma research. Research using ISAR data has provided valuable insights on the characteristics of severe asthma, its burdens and risk factors, real-world treatment effectiveness, and barriers to specialist care, which are collectively informing improved asthma management. Besides changing clinical thinking via research, ISAR aims to advance real-world practice through initiatives that improve registry data quality and severe asthma care. In 2024, ISAR refined essential research variables to enhance data quality and launched a web-based data acquisition and reporting system (QISAR), which integrates data collection with clinical consultations and enables longitudinal data tracking at patient, center, and population levels. Quality improvement priorities include collecting standardized data during consultations and tracking and optimizing patient journeys via QISAR and integrating primary/secondary care pathways to expedite specialist severe asthma management and facilitate clinical trial recruitment. ISAR envisions a future in which timely specialist referral and initiation of biologic therapy can obviate long-term systemic corticosteroid use and enable more patients to achieve remission.

Funding

Optimum Patient Care Global, a co-funder of the International Severe Asthma Registry (ISAR)

History

Comments

The original article is available at https://www.e-trd.org/

Published Citation

Larenas-Linnemann D, et al. International Severe Asthma Registry (ISAR): 2017-2024 status and progress update. Tuberc Respir Dis (Seoul). 2025;88(2):193-215.

Publication Date

6 February 2025

PubMed ID

39915034

Department/Unit

  • Beaumont Hospital
  • Medicine

Research Area

  • Respiratory Medicine and Critical Care

Publisher

The Korean Academy of Tuberculosis and Respiratory Diseases

Version

  • Published Version (Version of Record)