 - If, based upon the medical judgment of the investigator, there is no inherent harm in changing the subjects current asthma therapy, the subject andor parentguardian must agree to discontinue prescribed inhaled corticosteroid ICS, anticholinergics, leukotriene receptor inhibitors, and long-acting beta-2 agonists at the Screening Visit as per required washouts, and be transferred to treatment with SABA for relief for 2 weeks before the BaselineRandomization Visit. 