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Sodium thiosulfate - Fennec Pharmaceuticals

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Drug Profile

Sodium thiosulfate - Fennec Pharmaceuticals

Alternative Names: PEDMARK; PEDMARQSI; Sodium hyposulfite; STS - Fennec

Latest Information Update: 28 Aug 2025

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At a glance

  • Originator Oregon Health & Science University
  • Developer Fennec Pharmaceuticals
  • Class Antidotes; Antituberculars; Chemoprotectants; Thiosulfates; Vasodilators
  • Mechanism of Action Antioxidants; Chelating agents
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    Yes - Sensorineural hearing loss
  • New Molecular Entity No

Highest Development Phases

  • Marketed Sensorineural hearing loss

Most Recent Events

  • 14 Aug 2025 Fennec Pharmaceuticals announces intention to submit NDA to Japan PMDA for Sensorineural hearing loss
  • 14 Aug 2025 Fennec Pharmaceuticals plans to launch Sodium thiosulfate (PEDMARQSI®) for Sensorineural hearing loss in additional EU countries
  • 31 May 2025 Fennec Pharmaceuticals has patent protection for pharmaceutical composition comprising sodium thiosulfate in USA

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