[LONGITUDINAL EVALUATION OF EFFICACY OF SUBLINGUAL IMMUNOTHERAPY IN PEDIATRIC PERENNIAL ALLERGIC RHINITIS USING LABORATORY EXAMINATIONS AND IN VIVO BIOMARKERS].
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Abstract
Objective: The purpose of this study was to evaluate the efficacy of sublingual immunotherapy (SLIT) with house dust mite (HDM) on pediatric perennial allergic rhinitis (AR) based on longitudinal assessment of nasal symptoms, laboratory examination, and in vivo biomarkers.
Method: The subjects included 40 children with perennial AR who had SLIT with HDM for 2 years. Nasal symptoms, medications, skin prick tests, nasal provocation tests, and peripheral blood tests were evaluated before, 6 months, one year and two years after the onset of SLIT.
Results: Total nasal symptom scores, prick test wheal diameter, and peripheral blood eosinophil count decreased in 6 months. Total nasal symptom scores continued to decrease from 6 months to 2 years. Symptom-medication scores and nasal provocation test responses decreased in 1 year. Symptom-medication scores continued to decline from 1 to 2 years. Medication scores and nasal eosinophilia decreased in 2 years. Serum specific IgE to HDM slightly increased transiently and decreased in 2 years. The severity of symptoms and specific IgE to HDM at the baseline, and changes of symptoms and specific IgE to HDM during the first six months and first one year of SLIT were correlated with improvement in symptom scores over two years of SLUT. TNSS at baseline was correlated with that at second year.
Conclusion: Longitudinal assessment of symptoms, allergen specific IgE, and in vivo biomarkers showed the effectiveness of SLIT. Symptom scores and allergen specific IgE may also be early predictive factors of SLIT efficacy in children with AR.
期刊介绍：
The Japanese Society of Allergology is made up of medical researchers and clinical physicians who share an involvement in the study of allergies and clinical immunology. Clinical subspecialties include such allergies and immune-response disorders as bronchial asthma, hypersensitivity pneumonitis, collagen disease, allergic rhinitis, pollenosis, hives, atopic dermatitis, and immunodeficiency. However, there are many patients afflicted by other allergies as well. The Society considers all such patients and disorders within its purview.
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