NRX Pharmaceuticals Inc is a clinical-stage, small-molecule pharmaceutical company that develops and plans to distribute novel therapeutics for the treatment of central nervous system disorders and life-threatening pulmonary diseases. It has announced the commercialization of ZYESAMI (Aviptadil), an application for COVID-related respiratory failure. The company is also developing NRX-100/101, the first sequential drug regimen for bipolar depression in patients with acute suicidal ideation and behavior.