 - Current treatment with the following medications: Moderate doses of any inhaled steroid preparation on a daily basis for at least 30 days prior to screening; andor oral steroids at a stable dose on a daily basis for at least 30 days prior to screening; and currently treated with at least one of the following drugs on a daily basis at a stable dose for at least 30 days prior to screening: long-acting β-adrenergic salmeterol, leukotriene receptor antagonist LTRA, xanthine derivatives, or sodium cromoglycate 