[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "MSC-exosomes delivered intravenously every other day (8:8:8)", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MSC-exosomes delivered intravenously every other day (8:8:8)", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MSC-exosomes delivered intravenously every other day on an escalating dose: (2:4:8)", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "MSC-exosomes delivered intravenously every other day on an escalating dose (8:4:8)", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "Escalating dose 2 X 10^9, 4 X 10^9, 8 X 10^9/mL", "treatment_id": 788, "treatment_name": "Mesenchymal stem cells exosomes", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "Escalating dose 8 X 10^9, 4 X 10^9, 8 X 10^9 mL", "treatment_id": 788, "treatment_name": "Mesenchymal stem cells exosomes", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "Dosed 8 X 10^9, 8 X 10^9, 8 X 10^9 mL", "treatment_id": 788, "treatment_name": "Mesenchymal stem cells exosomes", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]