[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "DILTIAZEM TEVA 60 mg or placebo", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "DILTIAZEM TEVA 60 mg or placebo", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 406, "treatment_name": "Diltiazem", "treatment_type": "Cardiovascular agents", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]