[{"arm_notes": "", "treatment_id": null, "treatment_name": "Combination of local corticosteroids and antihistamines nasal spray Local corticosteroids nasal spray Antihistamines nasal spray Normal saline 0.2%", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 741, "treatment_name": "Local corticosteroids", "treatment_type": "Corticosteroids", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 91, "treatment_name": "Antihistamines", "treatment_type": "Respiratory agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 1601, "treatment_name": "Antihistamines+local corticosteroids", "treatment_type": "Respiratory agents+corticosteroids", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[]

[{"arm_notes": "", "treatment_id": null, "treatment_name": "Combination of local corticosteroids and antihistamines nasal spray Local corticosteroids nasal spray Antihistamines nasal spray Normal saline 0.2%", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]