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[Therapy-resistant asthma--a distinct phenotype?].

J Christian Virchow1

  • 1Abteilung für Pneumologie, Klinik und Poliklinik für Innere Medizin, Universität Rostock, Rostock. j.c.virchow@med.uni-rostock.de

Medizinische Klinik (Munich, Germany : 1983)
|April 12, 2006
PubMed
Summary

Severe asthma unresponsive to standard treatments presents challenges. Identifying underlying causes and exploring targeted therapies like anti-IgE or anti-TNF-alpha may benefit difficult-to-control asthma patients.

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Area of Science:

  • Pulmonology
  • Allergy and Immunology
  • Clinical Medicine

Context:

  • A significant subset of asthma patients exhibit severe, therapy-resistant disease unresponsive to conventional inhaled and oral medications.
  • These difficult-to-control asthma cases are often poorly defined, necessitating a systematic diagnostic approach.
  • Potential contributing factors include socioeconomic status, psychological disturbances, and specific asthma phenotypes like aspirin-exacerbated airway disease.

Purpose:

  • To define the characteristics and diagnostic challenges of therapy-resistant asthma.
  • To outline a systematic work-up for patients with severe, difficult-to-control asthma.
  • To review current and emerging therapeutic strategies for therapy-resistant asthma.

Summary:

  • Therapy-resistant asthma requires a comprehensive evaluation to rule out mimicking conditions and identify triggers like smoking or occupational allergens.
  • High-dose combination therapies, including systemic corticosteroids, are often necessary.
  • While some alternative therapies are not recommended, anti-immunoglobulin E (IgE) and anti-tumor necrosis factor-alpha (TNF-alpha) strategies show promise.

Impact:

  • Improved diagnostic strategies for severe asthma.
  • Identification of potential therapeutic targets for difficult-to-control asthma.
  • Highlights the need for personalized treatment approaches based on potential asthma phenotypes.

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