[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "CPC", "treatment_type": "Other", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "CPC+ZN", "treatment_type": "Other", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Negative Control", "treatment_type": "Other", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 268, "treatment_name": "Cetylpyridinium chloride", "treatment_type": "Mouthwash", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2261, "treatment_name": "Cetylpyridinium chloride+zinc", "treatment_type": "Mouthwash+vitamins and dietary supplements", "pharmacological_treatment": "Non pharmacological treatment+pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]