[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "CVnCoV Vaccine", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "CVnCoV Vaccine", "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": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "Group 1, Lot 1;12 \u00b5g;2;Days1-29", "treatment_id": 364, "treatment_name": "Cvncov", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Group 1, Lot 2;12 \u00b5g;2;Days1-29", "treatment_id": 364, "treatment_name": "Cvncov", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]