[{"arm_notes": "", "treatment_id": null, "treatment_name": "HA330 hemoperfusion&#45; HA330 hemoperfusion will be performed on a daily basis with a 6&#45;hour duration per session until 1) 7 days&#44; 2) IL&#45;6 <400 pg/mL&#44; 3) clinically improved (defined by 3.1) PF ratio >300 for at least 48 hours or 3.2) spontaneous respiration)&#44; whichever comes first.;Usual care will be provided including antivirals&#44; IV fluids&#44; vasopressors&#44; oxygenation and ventilatory support&#44; steroid&#44; antibiotics&#44; IVIG;Experimental Device;No Intervention Drug;HA330 Hemoperfusion + Usual care;Usual care", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 560, "treatment_name": "Ha330", "treatment_type": "Life support", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]

[{"arm_notes": "", "treatment_id": null, "treatment_name": "HA330 hemoperfusion- HA330 hemoperfusion will be performed on a daily basis with a 6-hour duration per session until 1) 7 days; 2) IL-6 <400 pg/mL; 3) clinically improved (defined by 3.1) PF ratio >300 for at least 48 hours or 3.2) spontaneous respiration); whichever comes first.; Usual care will be provided including antivirals; IV fluids; vasopressors; oxygenation and ventilatory support; steroid; antibiotics; IVIG", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}]