A 12-week, Double-blind, Randomised, Parallel Group, Multi-centre, Study to Evaluate Efficacy and Safety of Budesonide/Formoterol (Symbicort Turbuhaler®) 320/9 µg One Inhalation Twice Daily on Top of Tiotropium (Spiriva®) 18 µg One Inhalation Once Daily
Interventional
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Forced Expiratory Volume in 1 Second (FEV1) Pre-dose
Change in the pre-dose FEV1from baseline to week 12 (calculated as a mean using all available data of treatment period between week 1 and week 12)
Baseline to 12 weeks
No
Tomas Andersson, MD
Study Director
AstraZeneca R&D Lund
Australia: Department of Health and Ageing Therapeutic Goods Administration
D5892C00015
NCT00496470
May 2007
June 2008
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