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Characterizing the symptomatology and pathophysiology of allergic rhinitis using a nasal allergen challenge model

The nasal allergen challenge (NAC) protocol has been used to investigate the pathophysiology of allergic rhinitis (AR) with various allergens.

This study confirms the effectiveness of our NAC protocol in eliciting clinical and biological responses in ragweed-allergic participants, particularly highlighting eosinophil activity, IgE, and cytokine dynamics.

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NeoHealth® ID 38578 · updated 10/8/2025