[{"arm_notes": "", "treatment_id": null, "treatment_name": "control group:Conventional treatment;experimental group:conventional treatment combined with umbilical cord blood mononuclear cells group;", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "control group:Conventional treatment", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "experimental group:conventional treatment combined with umbilical cord blood mononuclear cells group;", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1332, "treatment_name": "Umbilical cord blood mononuclear cells", "treatment_type": "Advanced therapy medicinal products (atmp)", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]