A Study of Daily Dosing With Levalbuterol, Racemic Albuterol, and Placebo in Pediatric Subjects With Asthma

This was a multicenter, randomized, double-blind, placebo- and active-controlled, Phase II, parallel-group study up to four weeks in duration. Seven days of QID (four times a day) single-blind, placebo administration (via metered dose inhaler (MDI)) was followed by 21 days of QID double-blind treatment. During the single-blind period, rescue medication consisted of racemic albuterol MDI (90 mcg per actuation) for all subjects. During the double-blind period, rescue medication consisted of double-blind levalbuterol MDI (45 mcg per actuation) for all subjects in the levalbuterol treatment groups or double-blind racemic albuterol MDI (90 mcg per actuation) for all subjects in the racemic albuterol and placebo treatment groups.The study consisted of two periods, an optional follow-up visit, and a final telephone evaluation. This study was previously conducted by Sepracor Inc. In October 2009, Sepracor Inc. was acquired by Dainippon Sumitomo Pharma., and in October 2010, Sepracor Inc's name was changed to Sunovion Pharmaceuticals Inc.