[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "randomized, double-blinded, placebo-controlled", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "randomized, double-blinded, placebo-controlled", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "nan", "treatment_id": 1091, "treatment_name": "Recov - recombinant two-component covid-19 vaccine (cho cell)", "treatment_type": "Protein subunit", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]