Retrospective Study for Description of The Use Of Omalizumab In Patients With Difficult To Control Asthma

Omalizumab is indicated in children over 6 years of age, with diagnosis of difficult to control asthma, presenting a component of atopy demonstrated preferably positive skin tests (prick test) or in vitro reactivity (rast) allergens common inhalants. Patients must also present the total serum IgE levels between 30 and 700UI/mL. Children until 12 years the IgE level is between 30 and 300 IU/ml.