[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "casirivimab+imdevimab", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "casirivimab+imdevimab", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "casirivimab+imdevimab", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "initial SC dose + Q4W", "treatment_id": 1864, "treatment_name": "Casirivimab+imdevimab", "treatment_type": "Monoclonal antibodies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "SC dose Q4W", "treatment_id": 1864, "treatment_name": "Casirivimab+imdevimab", "treatment_type": "Monoclonal antibodies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "SC dose Q12W", "treatment_id": 1864, "treatment_name": "Casirivimab+imdevimab", "treatment_type": "Monoclonal antibodies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]