NRX Pharmaceuticals, Inc., a clinical-stage pharmaceutical company, develops novel therapeutics for the treatment of central nervous system disorders and life-threatening pulmonary diseases. Its products include ZYESAMI, an investigational drug that has completed a Phase IIb/III clinical study for COVID-19 related respiratory failure; and NRX-100 and NRX-101 oral therapeutics for the treatment of bipolar depression in patients with acute suicidal behavior/ideation and sub-acute suicidal ideation and behavior. The company was founded in 2015 and is based in Wilmington, Delaware.