[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Gam-COVID-Vac / Gam-COVID-Vac", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Gam-COVID-Vac / Gam-COVID-Vac", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Gam-COVID-Vac / Gam-COVID-Vac", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "Heterologous vaccine scheme;1+1;Gam-COVID-Vac first and ChAdOx1 nCoV-19 second;Days0-21", "treatment_id": 1522, "treatment_name": "Chadox1 ncov-19+gam-covid-vac", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Heterologous vaccine scheme;1+1;Gam-COVID-Vac first and BBIBP-CorV second;Days0-21", "treatment_id": 1521, "treatment_name": "Bbibp-corv+gam-covid-vac", "treatment_type": "Inactivated virus+non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "Homologous vaccine scheme;2;Days0-21", "treatment_id": 532, "treatment_name": "Gam-covid-vac", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}]