[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "AntiSARS-CoV-2 Serum", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "AntiSARS-CoV-2 Serum", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "AntiSARS-CoV-2 Serum", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "5 or 10 mL/dose; stage A: kidney transplanted participants", "treatment_id": 102, "treatment_name": "Antisars-cov-2 serum", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "5 or 10 mL/dose;Stage B: immunocompetent participants", "treatment_id": 102, "treatment_name": "Antisars-cov-2 serum", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "5 or 10 mL/dose;Stage C: high and very high risk", "treatment_id": 102, "treatment_name": "Antisars-cov-2 serum", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]