[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Nirmatrelvir;Placebo for nirmatrelvir;Placebo for ritonavir;Ritonavir", "treatment_type": "Drug;Drug;Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Nirmatrelvir;Placebo for nirmatrelvir;Placebo for ritonavir;Ritonavir", "treatment_type": "Drug;Drug;Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Nirmatrelvir;Ritonavir", "treatment_type": "Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "5 days then placebo for 10 days", "treatment_id": 2421, "treatment_name": "Nirmatrelvir+ritonavir", "treatment_type": "Antivirals", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "10 days then placebo for 5 days", "treatment_id": 2421, "treatment_name": "Nirmatrelvir+ritonavir", "treatment_type": "Antivirals", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "15 days", "treatment_id": 2421, "treatment_name": "Nirmatrelvir+ritonavir", "treatment_type": "Antivirals", "pharmacological_treatment": "Pharmacological treatment"}]