[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Isotonic saline 0.9%", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Povidone-Iodine 0.5%", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Povidone-Iodine 2%", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1015, "treatment_name": "Povidone-iodine", "treatment_type": "Mouthwash", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 1015, "treatment_name": "Povidone-iodine", "treatment_type": "Mouthwash", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 1143, "treatment_name": "Saline rinse", "treatment_type": "Nasal spray", "pharmacological_treatment": "Non pharmacological treatment"}]