Effect of Electronic Monitoring and Feedback on Adherence to Easyhaler Controller Medication in Patients With Asthma

Main inclusion Criteria: * written informed consent * male and female subjects with documented diagnosis of asthma * age 18 to 65 years * ACT score 19 or less at screening * treatment wih oral corticosteroids or hospital or emergency department admission due to asthma exacerbation within the past year * subject's able to use Easyhaler inhalers and comply with study requirements Main exclusion Criteria: * recent (within 1 month) asthma exacerbation * concomitant major respiratory disease which may complicate the measurement of asthma control * \>20 pack-year history of smoking * recent upper or lower respiratory tract infection * pregnant or lactating female subjects