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. 2020 Dec 22;163:153–162. doi: 10.1016/j.freeradbiomed.2020.12.008

Table 1.

Clinical regimens of iNO for prevention or treatment of COVID-19.

Subjects (patients) Dose (ppm) Number/time of action Total days Existing/possible results Ref/NCT/EUCTR
Moderate/severe (200) 80 → 40 All day 2 Arterial oxygen saturation increased about 20% 04306393
87a
ICU (20) 160 6 h/day once a day 2 High dose iNO could have beneficial effects 04383002
Severe (100) 1–80 / / Reduced organ damage, mechanical ventilation, death 2020-001329-30-AT
Moderate/severe (42) 20 1.5 times/hour 14 Reduced progressive systemic deoxygenation, intubation, or death 04388683b
Moderate/severe (20) 160 / 26 Reduced oxygen therapy, BIPAP, CPAP, intubation, mechanical ventilationc 03331445a
Severe pregnant (6) 160 → 200 twice a day <17 Improved cardiopulmonary function, newborns were in good condition 90a
Mild (260) 140 → 300 20–30 min/time / Improved short term respiratory status, prevent hospitalization 04338828
Mild/moderate (67) 140 → 180 20–30 min/time twice a day 14 iNO has beneficial effects 04305457
Mild (300) / Nasal Spray + Nasal Irrigation/day 14 Treat and prevent exacerbation 04443868
Mild (240) 140 → 180 20–30min/time twice a day 28 Safely slow down or stop deterioration 91a
Mild (20) 200/200 + 20 30 min/time twice a day (20 ppm all day) 14 Improved oxygenation 04476992a
Mild (39) 30(start) Up or down through the course of disease 2.1 Reduced endotracheal intubation (53.9%), improved oxygenation 92
Mild (female) 20/day
10 → 0/night
12–14 h/day (2 h/night) 10 Progressive dyspnea and fatigue etc. Completely disappeared 93a
Close contacts (470) 160 30 min/times twice a day 14 Reduce the incidence to 5% 04312243
95a
Close contacts (200) / NOG/morning
NONI/evening
NONS<5 times/dayb
14 Inactivate SARS-CoV-2 04337918
Mild (50) 80/150 40 min/time four times/day <14 / 04456088
All (20) 80 40 min/time four times/day / 04397692
Moderate/severe (500) 20 All day <14 INOpulse is safe and effective 04421508
Mild/moderate 20 8–24 h/day / INOpulse is safe and effective 2020-002394-94-BE
a

Levels of NO2 (<2 ppm) or methemoglobin (<5%) are closely monitored throughout the experiment.

b

Nitric Oxide Gargle (NOG), Nitric Oxide Nasophyaryngeal Irrigation (NONI), Nitric Oxide Nasal Spray (NONS).

c

Biphasic intermittent positive airway pressure (BIPAP), continuous positive airway pressure (CPAP).