Fennec Pharmaceuticals Inc. is a commercial-stage biopharmaceutical company based in Research Triangle Park, North Carolina, and incorporated in 1996. Its product candidate PEDMARK is a formulation of sodium thiosulfate for the prevention of cisplatin-induced ototoxicity in pediatric patients. The company sells its products through regional pediatric oncology specialists and medical science liaisons. It collaborates with Tampa General Hospital Foundation, Inc. to evaluate the clinical utility of sodium thiosulfate injection in reducing ototoxicity risk in adolescent, young adult, and adult cancer patients receiving cisplatin-based treatment, and with Norgine Pharma UK Limited. The company was formerly known as Adherex Technologies Inc. and changed its name to Fennec Pharmaceuticals Inc. in September 2014.