[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Calcium Dobesilate", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Mannitol", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "nan", "treatment_id": 2412, "treatment_name": "Calcium dobesilate", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]