[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Canrenoate Potassium", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Normal Saline", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 250, "treatment_name": "Canrenoate potassium", "treatment_type": "Cardiovascular agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Canrenoate Potassium", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Canrenoate Potassium", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]