[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "high flow nasal cannula (HFNC)", "treatment_type": "Device", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "high flow nasal cannula (HFNC);Prone positioning (PP)", "treatment_type": "Device;Procedure", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 575, "treatment_name": "High flow nasal cannula", "treatment_type": "Respiratory support", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 576, "treatment_name": "High flow nasal cannula plus prone positioning", "treatment_type": "Respiratory support", "pharmacological_treatment": "Non pharmacological treatment"}]