[{"arm_notes": "New Type treatment : Azelastinhydrochlorid", "treatment_id": null, "treatment_name": "Azelastinhydrochlorid", "treatment_type": "", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "New Type treatment : Azelastinhydrochlorid", "treatment_id": null, "treatment_name": "Azelastinhydrochlorid", "treatment_type": "", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": null, "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

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