[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Direct boost adeno", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Direct boost mRNA", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Post-poned boost adeno", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Post-poned boost mRNA", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "Direct boost", "treatment_id": 831, "treatment_name": "Mrna vaccine", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Post-poned boost", "treatment_id": 831, "treatment_name": "Mrna vaccine", "treatment_type": "Rna based vaccine", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Direct boost", "treatment_id": 24, "treatment_name": "Ad26.cov2.s", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Post-poned boost", "treatment_id": 24, "treatment_name": "Ad26.cov2.s", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}]