New Breath Actuated MDI Symbicort compared to Symbicort pMDI and Budesonide pMDI for 12 weeks twice a day - BAI

Exclusion Criteria

• - History of life-threatening asthma, defined for this protocol as an asthma episode that required intubation and/or was associated with hypercapnea, respiratory arrest or hypoxic seizures during the 2 years prior to Visit 2
• - Hospitalized during previous 6 months for asthma
• - Required emergency treatment more than once during previous 6 months for an asthma-related condition
• - Intake of oral, rectal or parenteral glucocorticosteroid within 30 days of enrolment
• - Respiratory infection affecting the asthma within 30 days