[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 single dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 single dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 two higher dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 two higher dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 two lower dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "ARCT-021 two lower dose priming;Randomized booster", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Placebo booster;Placebo (two doses), priming", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Placebo booster;Placebo (two doses), priming", "treatment_type": "Biological;Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "Single dose priming ", "treatment_id": 1901, "treatment_name": "Arct-021", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Two lower dose priming ", "treatment_id": 1901, "treatment_name": "Arct-021", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Two higher dose priming ", "treatment_id": 1901, "treatment_name": "Arct-021", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}]