A Comparison of the Control of Asthma Provided by Symbicort® Turbuhaler® Versus Symbicort® Turbuhaler® Plus Pulmicort® Turbuhaler® Plus Terbutaline Turbuhaler®

A Comparison of the Inflammatory Control of Asthma Provided by One Inhalation of Symbicort® Turbuhaler® 160/4.5 µg/Inhalation b.i.d. Plus As-needed Versus One Inhalation of Symbicort® Turbuhaler® 320/9 µg/Inhalation b.i.d. + One Inhalation of Pulmicort® Turbuhaler® 400 µg/Dose b.i.d. Plus Terbutaline Turbuhaler® 0.4 mg/Inhalation As-needed. A 12-month, Randomised, Double-blind, Parallel-group, Active Controlled, Multinational, Phase IIIB Study in Adult Patients With Asthma, EOS

The purpose of this study is to determine if a flexible dose of Symbicort has a similar effect on the airways of patients with asthma as a higher fixed-dose of Symbicort with additional glucocorticosteroids added.

Inclusion Criteria:

• Diagnosis of asthma for at least 6 months
• Prescribed daily use of glucocorticosteroids for at least 3 months prior to visit one

Exclusion Criteria:

• Respiratory infection affecting asthma within 30 days prior to study
• Intake of oral, rectal, or parenteral glucocorticosteroids within 30 days prior to study
• Any significant disease or disorder that may jeopardize the safety of the patient