A Study of the Effects of Single Dose Corticosteroids on ... inclinicaltrials.com › allergic-rhinitis › NCT00828061 NCT02943720 - ATIBAR - Efficacy and Safety of Two Doses of AllerT in Patients Allergic to Birch Pollen Phase 2: Completed NCT02556801 - Efficacy and Safety of SUBLIVAC Phleum for Immunotherapy of Grass Pollen-Allergy Phase 2: Completed NCT02352168 - Airway Inflammation in Children With Allergic Rhinitis and Intervention N/A: Not yet recruiting