Intermittent asthma, seasonal asthma, or exercise-induced asthma only

Symptomatic allergic rhinitis and/or thrush

Abnormal, clinically significant electrocardigraph

Respiratory infection within 4 weeks of first visit leading to asthma medication change or could affect subjects's asthma status or participation

Asthma exacerbation within 12 weeks of first visit

Respiratory diseases or other concurrent disease that would put subject at risk or confound results interpretation

Investigational medicines within 30 days of first visit or less than five half-lives of medication in prior study

Allergy to study drugs or study drug excipients

Concomitant medications that could interact with study medications or affect the course of asthma

Tobacco use within last year and/or a 10 pack-years history

Inability to comply with requirements of the study

Affiliation with investigator's site (example: family member)

A Study of a New Asthma Medicine in Asthmatics Whose Asthma Worsens With Exercise