Omalizumab (marketed under the name Xolair®) is the generic name for a drug used mainly in allergy-related asthma therapy, with the purpose of reducing allergic hypersensitivity. The drug, once administered subcutaneously, binds with immunoglobulin E (IgE), a substance commonly related to allergies when present in high amounts in the body. Omalizumab works by blocking the receptors of IgE. ...