Sodium thiosulfate - Fennec Pharmaceuticals
Alternative Names: PEDMARK; PEDMARQSI; Sodium hyposulfite; STS - FennecLatest Information Update: 24 Aug 2026
At a glance
- Originator Oregon Health & Science University
- Developer Fennec Pharmaceuticals; Norgine; University of Arizona Cancer Center
- Class Antidotes; Antituberculars; Chemoprotectants; Thiosulfates; Vasodilators
- Mechanism of Action Antioxidants; Chelating agents
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Orphan Drug Status
Yes - Sensorineural hearing loss
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
- Available For Licensing Yes - Sensorineural hearing loss
Highest Development Phases
- Marketed Sensorineural hearing loss
Most Recent Events
- 02 Jun 2026 Efficacy, adverse events and pharmacokinetic data from a phase II trial in Sensorineural hearing loss presented at the 62nd Annual Meeting of the American Society of Clinical Oncology (ASCO-2026)
- 05 May 2026 Preregistration for Sensorineural hearing loss (In adolescents, In children, Prevention, Chemotherapy-induced, In infants) in Australia (IV), prior to May 2026
- 05 May 2026 Registered for Sensorineural hearing loss (In adolescents, In children, Prevention, Chemotherapy-induced, In infants) in Australia (IV)