[{"arm_notes": "New Type treatment : Interferon beta-1a", "treatment_id": null, "treatment_name": "Interferon beta-1a", "treatment_type": "", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": null, "treatment_id": null, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "New Type treatment : Interferon beta-1a", "treatment_id": 965, "treatment_name": "Peginterferon beta-1a", "treatment_type": "Interferons", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]