[{"arm_notes": "", "treatment_id": null, "treatment_name": "treatment group1:HUMSCs: intravenous infusion; 5 \u00d7 10E7 cells / time; once / week; twice / course;treatment group 2:HUMSCs: intravenous infusion; 5 \u00d7 107 cells / time; 1 time / week; 2 times / course; a total of 2 courses; Exosomes: intravenous administration; 180mg / time; 1 time / day; 7 days / course; 2 courses in total;control group:The control group was given the same amount of placebo (stem cell solvent);", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "treatment group1:HUMSCs: intravenous infusion; 5 \u00d7 10E7 cells / time; once / week; twice / course", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "treatment group 2:HUMSCs: intravenous infusion; 5 \u00d7 107 cells / time; 1 time / week; 2 times / course; a total of 2 courses", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "Exosomes: intravenous administration; 180mg / time; 1 time / day; 7 days / course; 2 courses in total", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "control group:The control group was given the same amount of placebo (stem cell solvent);", "treatment_type": "Placebo", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 787, "treatment_name": "Mesenchymal stem cells", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 1502, "treatment_name": "Exosomes+mesenchymal stem cells", "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"}]