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[Clinical efficacy and immunological changes in children with allergic rhinitis receiving specific immunotherapy with Dermatophagoides pteronyssinus].

Author(s): Wang CS, Zhang W, Wang XD, Xi L, Ouyang YH, Zhao Y, Wang Y, Zhang L

Affiliation(s): Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China.

Publication date & source: 2011-01, Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi., 46(1):36-9.

Publication type: English Abstract; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

OBJECTIVE: To evaluate the efficacy and immunological changes of children receiving subcutaneous immunotherapy with Dermatophagoides pteronyssinus. METHODS: Sixty-four children with allergic rhinitis to Dermatophagoides pteronyssinus (Der p) were randomly allocated to receive either specific immunotherapy (n = 32) or medical treatment (n = 32). Symptom and medication scores were assessed to evaluate the clinical efficacy in the baseline and after one year treatment. Total IgE, Der p-specific IgE, and specific IgG4 were measured. RESULTS: Immunotherapy reduced the symptom (the scores reduced from 10[9;11] to 4[3;6]) and medication score (the scores reduced from 0.76[0.61;0.90] to 0.35[0.30;0.43]) in children with allergic rhinitis significantly(Z value were -4.80 and -4.74, respectively, each P < 0.01). There was a significant difference in symptom and medication scores between both groups after one year treatment (U value were 155.00 and 139.50, respectively, each P < 0.01). There were no differences in levels of serum total IgE, specific IgE before and after one year treatment, but the level of serum specific IgG4 increased significantly after one year treatment. CONCLUSIONS: Immunotherapy with standardized extract is efficacious to treat children sensitive to Der p, allergen-specific IgG4 is significant as immunological marker to predict efficacy of immunotherapy.

Page last updated: 2011-12-09

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