Background: Maintaining asthma control is a major objective of therapy. Traditionally, the
effectiveness of asthma therapy has been judged primarily by its effect on airway function
rather than on multiaspect asthma control. Objective: An inhaled corticosteroid and a
leukotriene receptor antagonist were compared to determine whether they provided
equivalent effects, as judged by days of asthma control. Methods: In a randomized,
multicenter, double-blind, placebo-controlled, parallel-group study, asthmatic patients (n …