[{"arm_notes": "nan", "treatment_id": 400, "treatment_name": "Dexamethasone", "treatment_type": "Corticosteroids", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Dexamethasone;Tocilizumab", "treatment_type": "Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1719, "treatment_name": "Dexamethasone+tocilizumab", "treatment_type": "Corticosteroids+interleukin inhibitors", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 400, "treatment_name": "Dexamethasone", "treatment_type": "Corticosteroids", "pharmacological_treatment": "Pharmacological treatment"}]