Understanding Allergic Asthma from Allergen Inhalation Tests Academic Article uri icon

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  • The allergen challenge has evolved, in less than 150 years, from a crude tool used to document the etiology of allergen-induced disease to a well-controlled tool used today to investigate the pathophysiology and pharmacotherapy of asthma. Highlights of the authors’ involvement with the allergen challenge include confirmation of the immunoglobulin E-dependence of the late asthmatic response, importance of (nonallergic) airway hyper-responsiveness as a determinant of the airway response to allergen, identification of allergen-induced increase in airway hyper-responsiveness, documentation of beta2-agonist-induced increase in airway response to allergen (including eosinophilic inflammation), advances in understanding the pathophysiology and kinetics of allergen-induced airway responses, and development of a muticentre clinical trial group devoted to using the allergen challenge for investigating promising new therapeutic strategies for asthma.


  • O'Byrne, Paul
  • Cockcroft, Donald W
  • Hargreave, Fredrick E
  • O’Byrne, Paul M
  • Boulet, Louis-Philippe

publication date

  • 2007