Phase 1: Frequency and Severity of Adverse Events (AE);Phase 1 Futility Check for go/no decision to move to Phase 2: Rate of clinical improvement;Phase 2: Time to Clinical Improvement by Ordinal Scale for Clinical Improvement (OSCI)

Phase 1: Frequency and Severity of Adverse Events (AE);Phase 1 Futility Check for go/no decision to move to Phase 2: Rate of clinical improvement;Phase 2: Time to Clinical Improvement by Ordinal Scale for Clinical Improvement (OSCI)

Phase 2: Time to Clinical Improvement by NEWS2 Score;Phase 1: Rate of clinical improvement;Phase 1: Rate of clearance of SARS-CoV-2;Phase 1: Frequency and Severity of Adverse Events (AE);Phase 2: Time to Clearance of SARS-CoV-2

Phase 2: Time to Clinical Improvement by NEWS2 Score;Phase 1: Rate of clinical improvement;Phase 1: Rate of clearance of SARS-CoV-2;Phase 1: Frequency and Severity of Adverse Events (AE);Phase 2: Time to Clearance of SARS-CoV-2