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Aberer, W; Hawranek, T; Reider, N; Schuster, C; Sturm, G; Kränke, B.
Immunoglobulin E and G antibody profiles to grass pollen allergens during a short course of sublingual immunotherapy.
J Investig Allergol Clin Immunol. 2007; 17(3): 131-136. [OPEN ACCESS]
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Autor/innen der Med Uni Graz:
Aberer Werner
Kränke Birger
Schuster Christian
Sturm Gunter

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Plum Analytics:
BACKGROUND: Various studies have shown the clinical efficacy of sublingual immunotherapy in grass pollen-induced rhinoconjunctivitis. However, even short-term treatment with grass extracts might cause sensitizations to formerly unrecognized antigens. OBJECTIVE: To determine whether the antibody profiles are changing in patients receiving a defined grass pollen extract prior to and during the grass pollen season. METHODS: A randomized, double blind, placebo-controlled, multicenter phase I/I111 trial was started prior to the commencement of the grass pollen season. Patients with grass pollen allergy were randomly allocated to four groups, and received daily a standardized tablet at different doses. Treatment was started 8 weeks prior to the beginning of the pollen season and stopped at the end of the season. Blood samples were taken at the beginning of the study, at the beginning and the end of the pollen season, and one year after commencement of the study. RESULTS: At the beginning of the study, all patients tested positive for the major grass pollen allergens, but negative to the minor antigens. In all patients, the degree of antibody reactivity rose considerably after starting active treatment and fell back to the initial values within one year. Immunoglobulin (Ig) E antibodies to the minor antigens remained negative, independent of treatment and seasonal exposure. In contrast to IgE, specific IgG antibodies to all allergens tested revealed no specific trend. CONCLUSIONS: Immunotherapy with grass allergen tablets was accompanied by an increase in grass-specific IgE antibodies, which further increased during pollen exposure, followed by a post-treatment drop in patient- and disease-specific antibodies. During this short course of treatment, no patient developed any additional sensitizations.
Find related publications in this database (using NLM MeSH Indexing)
Administration, Sublingual -
Allergens - administration and dosage
Desensitization, Immunologic - administration and dosage
Double-Blind Method - administration and dosage
Female - administration and dosage
Humans - administration and dosage
Hypersensitivity - blood
Immunoglobulin E - blood
Immunoglobulin G - blood
Male - blood
Poaceae - immunology
Pollen - immunology

Find related publications in this database (Keywords)
grass pollen allergy
antibody profile
sublingual immunotherapy
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