Methods Subjects 5 years and older with ARC with/without asthma received once-daily 2800 BAU sublingual grass AIT (oral lyophilisate, Phleum pratense, 75,000 SQ-T, ~15μg Phl p5) or placebo starting approximately 16 weeks before and continuing throughout the 2009 grass pollen season (GPS). Subjects used daily e-diaries to record ARC symptoms and use of symptomatic medications from randomization ...