[{"arm_notes": "nan", "treatment_id": 893, "treatment_name": "Nitrogen gas", "treatment_type": "Gas inhalation", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "SNO", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1211, "treatment_name": "S-nitrosylation", "treatment_type": "Non-pharmocologic agent", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]