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Anrikefon - Sichuan Haisco Pharmaceutical

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Drug Profile

Anrikefon - Sichuan Haisco Pharmaceutical

Alternative Names: HSK-21542; Sisoojing

Latest Information Update: 25 Aug 2026

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At a glance

  • Originator Sichuan Haisco Pharmaceutical
  • Class Antiemetics; Antipruritics; Opioid analgesics; Peptides; Skin disorder therapies; Small molecules
  • Mechanism of Action Opioid kappa receptor agonists
  • Orphan Drug Status

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

    No
  • New Molecular Entity Yes

Highest Development Phases

  • Marketed Postoperative pain; Pruritus
  • Clinical Phase Unknown Postoperative nausea and vomiting

Most Recent Events

  • 17 Jul 2026 Launched for Pruritus in China (IV) prior to August 2026 (Haisco Pharmaceutical pipeline, August 2026)
  • 17 Jul 2026 Anrikefon is approved for Postoperative pain in orthopedic surgery (Haisco Pharmaceutical pipeline, July 2026)
  • 29 Jan 2026 Launched for Postoperative pain in China (Parenteral) prior to January 2026 (Sichuan Haisco Pharmaceutical website, January 2026)

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