Study Status: Active, not recruiting
Recruit Status: Active, not recruiting
Study Type: Interventional
Official Title: IVIG Treatment for Asthmatic Patients With IgG Subclass Deficiency
Brief Summary: Immunoglobulin G deficiency subtypes in patients with asthma six months once a month intravenous immunoglobulin (400mg/kg/4weeks) infection in treatment-related effect on reducing the frequency of asthma exacerbations appreciate.