[{"arm_notes": "nan", "treatment_id": 995, "treatment_name": "Pirfenidone", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": 995, "treatment_name": "Pirfenidone", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "nan", "treatment_id": 995, "treatment_name": "Pirfenidone", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 995, "treatment_name": "Pirfenidone", "treatment_type": "Others pharmacological treatment", "pharmacological_treatment": "Pharmacological treatment"}]