[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "DelNS1-2019-nCoV-RBD-OPT1", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Matching placebo", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "6.3 lg CCID50/dose;2;3 weeks apart;IN;Received 2 Doses of BNT162b2 at least 180 days prior", "treatment_id": 394, "treatment_name": "Delns1-2019-ncov-rbd-opt1", "treatment_type": "Replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]