| Recruiting | 3 | 526 | Europe, US, RoW | Reparixin, Repertaxin L-lysine salt, Placebo, Matched placebo | Dompé Farmaceutici S.p.A | Infectious Pneumonia, Severe COVID-19 | 09/24 | 10/24 | | |
| Recruiting | 3 | 600 | US | Inhaled budesonide and formoterol, Pulmicort Respules (budesonide) and Perforomist (formoterol), Inhaled placebo, aerosolized 0.9% saline | Stanford University, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH) | Pneumonia, Hypoxemia, Acute Respiratory Failure, COVID-19 Pneumonia | 07/25 | 08/25 | | |