Omalizumab. a human immunoglobulin (Ig)G1 antibody against IgE. is a therapeutic agent for bronchial asthma. The Global Initiative for Asthma guidelines indicate that the use of omalizumab should be considered as an option in step 5 of treatment for patients with the most severe type of bronchial asthma. https://www.marcelovicente.com/product-category/inoa-3-10-volume/