[{"arm_notes": "", "treatment_id": null, "treatment_name": "Intervention 1: Pollival (azelastine hydrochloride); 1 mg/ml; nasal spray; 3 times daily one puff per nostril; duration of treatment: 11 days Intervention 2: Azelastine hydrochloride; 0;2 mg/ml; nasal spray; 3 times daily one puff per nostril Intervention 3: Placebo; nasal spray; 3 times daily one puff per nostril", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "Pollival (azelastine hydrochloride); 1 mg/ml; nasal spray; 3 times daily one puff per nostril; duration of treatment11 days", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "Azelastine hydrochloride; 0;2 mg/ml; nasal spray; 3 times daily one puff per nostril", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "Placebo; nasal spray; 3 times daily one puff per nostril", "treatment_type": "Placebo", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "1mg/ml", "treatment_id": 164, "treatment_name": "Azelastine hydrochloride", "treatment_type": "Respiratory agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "0.2mg/ml", "treatment_id": 164, "treatment_name": "Azelastine hydrochloride", "treatment_type": "Respiratory agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]