[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Angiotensin Converting Enzyme 2", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2126, "treatment_name": "Sodium chloride", "treatment_type": "Nasal spray", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1077, "treatment_name": "Recombinant human angiotensin-converting enzyme 2 (rhace2)", "treatment_type": "Cardiovascular agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]