[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Interferon-Alpha2B", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Interferon-Alpha2B", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Interferon-Alpha2B", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "Part 1a: Interferon alpha 2b 2.5 MIU", "treatment_id": 667, "treatment_name": "Interferon alpha2b", "treatment_type": "Interferons", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "Part 1b: Interferon alpha 2b 5 MIU", "treatment_id": 667, "treatment_name": "Interferon alpha2b", "treatment_type": "Interferons", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "Part 1: Placebo", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "Part 2: Interferon alpha 2b 5 MIU (or maximum tolerated dose from part 1)", "treatment_id": 667, "treatment_name": "Interferon alpha2b", "treatment_type": "Interferons", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "Part 2: Placebo", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]