IGHE and allergic asthma: However, the long-term effects of omalizumab on IgE production and possibility of resetting of administration dose of omalizumab remain unknown.<h4>Case presentation</h4>The serum total and free IgE levels were measured over time in a 63-year-old female patient with allergic asthma who was administered 375 mg omalizumab biweekly for 36 months.