Symbicort Single Inhaler Therapy vs conventional best practice for the treatment of persistent asthma in adults

Inclusion Criteria

• - Minimum of 3 months history of asthma, diagnosed according to the American Thoracic Society (ATS) definition (9).
• - Prescribed inhaled GCS at a dose of 400μg/day of budesonide (or equivalents)and within the approved label for the relevant drug during the last 3 months prior to Visit 1.
• - Either daily maintenance treatment with both inhaled GCS and LABA or daily treatment with inhaled GCS alone (i.e. without LABA)
• - A history of suboptimal asthma control the month prior to enrolment as judged by the investigator
• - Use of ≥3 inhalations of as needed medication for symptom relief during the last 7 days before enrolment