Following screening and assessment of rescue medication use, subjects will receive one tablet of danirixin 35 mg (as hydrobromide hemihydrate salt) orally twice daily with food for 52 weeks during treatment period. Study treatment will be dispensed to subjects at the study visits.
Danirixin 35 mg (as hydrobromide hemihydrate salt) is a white film coated oval shaped tablet. It will be provided in a labeled high-density polyethylene (HDPE) bottle with desiccant.
Device: Metered dose inhaler (MDI) sensor device
MDI sensor devices will be fitted onto rescue medication MDI devices to electronically record rescue medication usage.
Drug: Rescue medication
Subjects may continue to use rescue medication(s) via their usual route. Allowed medications are: short acting beta agonists (SABA) (e.g., albuterol/salbutamol); short acting muscarinic antagonists (SAMA) (e.g., ipratropium); short acting combination (SABA/SAMA) bronchodilators, (e.g. Duoneb, Combivent)