[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Preservative-free saline", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Tice\u00ae BCG (for intravesical use) BCG LIVE strain of the BCG (Merck) vaccine", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 186, "treatment_name": "Bcg vaccine", "treatment_type": "Non covid vaccine", "pharmacological_treatment": "Non covid vaccine"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]