The study is designed to determine if Benralizumab when added to standard therapy will decrease the risk of flare-ups in COPD It is an injected antibody against IL-5 receptors, and targets and removes eosinophils from the blood. Eosinophils are cells which are part of our immune system, but increased numbers can cause one type of airway inflammation, resulting in flare-ups in certain patients with COPD. It is already approved to be used in certain patients with asthma, and now is being tested for COPD.
If you participate, you will be randomly assigned to get injections of either the study drug or placebo, every 4-8 weeks for one year. You will have a total of 11 clinic visits and 5 telephone visits. You will do questionnaires, lung function tests, blood tests and maintain a daily electronic diary for symptoms. You will receive compensation for clinic visits, and parking will be provided. You may also quality to receive your COPD inhaler at no cost