[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "MAD0004J08", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MAD0004J08", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "400 mg (stage 2 includes only 2 arms.Therefore, number of participants might differ)", "treatment_id": 763, "treatment_name": "Mad0004j08", "treatment_type": "Monoclonal antibodies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "100 mg (stage 2 includes only 2 arms.Therefore, number of participants might differ)", "treatment_id": 763, "treatment_name": "Mad0004j08", "treatment_type": "Monoclonal antibodies", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]