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|標題:||The Effect of Local Nasal Immunotherapy in Allergic Rhinitis: Using Strips of the Allergen Dermatophagoides pteronyssinus||作者:||Tsai, J.J.
|關鍵字:||allergen strip;allergic rhinitis;Dermatophagoides pteronyssinus;nasal;immunotherapy;immunomodulation;grass-pollen;intranasal immunotherapy;airway inflammation;systemic;reactions;powder extract;efficacy;eosinophils;fatalities;routes||Project:||Journal of Asthma||期刊/報告no：:||Journal of Asthma, Volume 46, Issue 2, Page(s) 165-170.||摘要:||
Local nasal immunotherapy (LNIT) has been reported to be effective for mite-induced allergic rhinitis. However, its compliance is poor due to persistent nasal reactions and difficult application. The main objective of this study was to develop a Dermatophagoides pteronyssinus (Der p)-coated strip for self-application and to evaluate its clinical efficacy. Randomized, double-blind, placebo-controlled trials were carried out to evaluate the efficacy and compliance of LNIT. A total of 35 patients with allergic rhinitis from the allergy clinic were recruited to receive four months of LNIT. Clinical efficacy was evaluated by the symptoms of sneezing, rhinorrhea and nasal stuffiness. Local and systemic effects were evaluated by measuring histamine and eosinophil cationic protein (ECP) in nasal discharge and allergen-specific IgG1, IgG4 and IgE in sera. LNIT with Der p-coated strips could reduce nasal symptoms and modulate the serum levels of Der p-specific IgG1, IgG4 and IgE. The secretion of both histamine and ECP was reduced within four months after treatment. When the symptomatic and immunological changes were compared between active treatment and placebo groups, the improvements were greater in the active treatment groups for all three symptom scores. There were no severe adverse events except nasal response persisting within the first month in some cases. LNIT with a steady dose of Der p-coated strips can be self-administered at home without any systemic reactions. Both local and systemic immune responses were observed after LNIT. This therapeutic modality may serve as a good alternative treatment for allergic rhinitis.
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