A Randomized, Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Comparative Study of Inhaled Fluticasone Propionate (88mcg BID) Versus Zafirlukast (20mg BID) in Subjects Who Are Currently Receiving Beta-Agonists Alone, Trial ID FLTA4031

A Randomized, Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Comparative Study of Inhaled Fluticasone Propionate (88mcg BID) Versus Zafirlukast (20mg BID) in Subjects Who Are Currently Receiving Beta-Agonists Alone, Trial ID FLTA4031 | GSK