Medicure Inc. ("Medicure" or the "Company") (TSXV: MPH) (OTC: MCUJF), a cardiovascular pharmaceutical company, today announced that through its Barbados subsidiary, Medicure International Inc., it intends to file an Investigational New Drug ("IND") application with the U.S. Food and Drug Administration ("FDA") pertaining to its legacy product Pyridoxal 5′-phosphate ("P5P", also referred to as "MC-1") for the treatment of seizures associated with pyridox(am)ine 5'-phosphate oxidase ("PNPO") deficiency.