Mild Moderate Primary Outcome Measures : Cl

Mild Moderate

Primary Outcome Measures :
Clinical Improvement as assessed by change in total symptom score (for fever, myalgia, dyspnea and cough) [ Time Frame: Day 14 ]
Note: The total score per patient ranges from 0 to 12 points. Each symptom is graded from 0 to 3. [0=none, 1=mild, 2=moderate, and 3=severe]. Higher scores mean a worse outcome.


Secondary Outcome Measures :
Time to clinical resolution (TTCR) [ Time Frame: Day 14 ]
Change from baseline in National Early Warning Score 2 (NEWS2) [ Time Frame: Days 3, 7, and 14 ]
This score is based on 7 clinical parameters (respiration rate, oxygen saturation, any supplemental oxygen, temperature, systolic blood pressure, heart rate, level of consciousness). Higher scores mean a worse outcome.

Change from baseline in pulse oxygen saturation (SpO2) [ Time Frame: Days 3, 7, and 14 ]
Change from baseline in the patient's health status on a 7-category ordinal scale [ Time Frame: Days 3, 7, and 14 ]
A 7-category ordinal scale of patient health status ranges from: 1) Death; 2) Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO); 3) Hospitalized, on non-invasive ventilation or high flow oxygen devices; 4) Hospitalized, requiring supplemental oxygen; 5) Hospitalized, not requiring supplemental oxygen; 6) Not hospitalized, limitation on activities; 7) Not hospitalized, no limitations on activities.

Lower scores mean a worse outcome.


Incidence of hospitalization [ Time Frame: Day 14 ]
Duration (days) of hospitalization [ Time Frame: Day 14 ]
Incidence of mechanical ventilation supply [ Time Frame: Day 14 ]
Duration (days) of mechanical ventilation supply [ Time Frame: Day 14 ]
Incidence of oxygen use [ Time Frame: Day 14 ]
Duration (days) of oxygen use [ Time Frame: Day 14 ]
Mortality rate [ Time Frame: Day 14 ]
Time to return to normal activity [ Time Frame: Day 14 ]

Other Outcome Measures:
Change in size of lesion area by chest radiograph or CT [ Time Frame: Day 14 ]
Change from baseline in serum cytokine and chemokine levels [ Time Frame: Days 3, 7, and 14 ]
Change from baseline in CCR5 receptor occupancy levels for Tregs and macrophages [ Time Frame: Days 3, 7, and 14 ]
Change from baseline in CD3+, CD4+ and CD8+ T cell count [ Time Frame: Days 3, 7, and 14 ]

Eligibility Criteria