VANCOUVER: Algernon Pharmaceuticals Inc., a clinical stage pharmaceutical development company, has received ethics approval from a central institutional review board for U.S. study sites for its multinational Phase 2b/3 human study of NP-120 (Ifenprodil) for COVID-19. Ifenprodil is an NMDA receptor antagonist specifically targeting the NMDA-type subunit 2B. The Company has also signed agreements with…