Difference in time-course of improvement in asthma control measures between budesonide and budesonide/formoterol

Combinations of inhaled corticosteroids (ICS) and inhaled long-acting beta(2)-agonists (LABA) have become widely used for the initiation of maintenance treatment for asthma. However, it has not been fully elucidated whether ICS/LABA alters the time-course of different control outcome measures in steroid-naive patients with asthma compared to the treatment with ICS alone. We compared the time-response in Asthma Control Questionnaire (ACQ), forced...