Fennec Pharmaceuticals Inc is a clinical-stage biotechnology company. It is primarily engaged in research and development activities. The company is developing Sodium Thiosulfate (STS), a chemo-protectant against hearing loss associated with platinum-based chemotherapy. Its lead product candidate is PEDMARK which is sodium thiosulfate in a novel formulation for the prevention of cisplatin induced hearing loss, or ototoxicity in children.Fennec Pharmaceuticals Inc is a clinical-stage biotechnology company. It is primarily engaged in research and development activities.