[{"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "S-1226 (8%)", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1138, "treatment_name": "S-1226", "treatment_type": "Gas inhalation", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]