- Reversibility of disease: The patient has demonstrated at least 15% and at least 200 mL increase from baseline FEV1 (patients age 18 and older) within 30 minutes after 2-4 inhalations of albuterol/salbutamol hydrofluoroalkane (HFA) MDI (90 mcg ex-actuator) or equivalent at SV or on retesting. - Other criteria apply, please contact the investigator for more information