[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - OtherIntervention group: Patients with coronavirus 19 who undergo mesenchymal stem cell transplantation at a rate of 2 million per kilogram body weight (based on IBW) through peripheral blood (IV)on days 0, 3, and 6.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group: Participants with COVID19 receiving routine and placebo treatment (based on IBW) intravenously on days 0, 3, and 6.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]

[{"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": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]