[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Tenofovir disoproxyl fumarate 300 MG Oral Tablet", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Tenofovir disoproxyl fumarate 300 MG plus emtricitabine 200 MG Oral Tablet", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Vitamin C 500 MG Oral Tablet", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 1496, "treatment_name": "Emtricitabine+tenofovir", "treatment_type": "Antivirals", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 1277, "treatment_name": "Tenofovir", "treatment_type": "Antivirals", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]