Allergic Rhinitis Clinical Trial
Official title:
Clinical Efficacy and Mucosal/Systemic Antibody Response Changes After Sublingual Immunotherapy in Mite-allergic Children in a Randomized Double-blind, Placebo-controlled Study in Brazil
The purpose of this study is to evaluate the clinical efficacy and mucosal/systemic antibody response changes after SLIT using house dust mite allergen with or without bacterial extracts in mite-allergic children.
Patients with allergic rhinitis with or without asthma were selected for a randomized double-blind, placebo-controlled trial and distributed into three groups: DPT (Dpt allergen extract, n=34), DPT+MRB (Dpt allergen plus mixed respiratory bacterial extracts, n=36), and Placebo (n=32). Clinical evaluation and immunological analyses are being carried out before and after 12 and 18 months of treatment, including rhinitis/asthma symptom and medication scores, skin prick test (SPT) to Dpt, and measurements of Dpt-, Der p 1-, Der p 2-specific serum IgE, IgG4, IgG1 and -specific salivary IgA. ;
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