[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Best Practice;Placebo Administration;Leflunomide", "treatment_type": "Other;Drug;Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Leflunomide;Best Practice", "treatment_type": "Drug;Other", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Placebo Administration;Best Practice", "treatment_type": "Drug;Other", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 724, "treatment_name": "Leflunomide", "treatment_type": "Other targeted therapies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]