[{"arm_notes": "nan", "treatment_id": 597, "treatment_name": "Human immunoglobulin", "treatment_type": "Immunoglobulins", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Plasma from COVID-19 convalescent patient", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 322, "treatment_name": "Convalescent plasma", "treatment_type": "Convalescent plasma", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 597, "treatment_name": "Human immunoglobulin", "treatment_type": "Immunoglobulins", "pharmacological_treatment": "Pharmacological treatment"}]