Nalfurafine hydrochloride news

All news on Nalfurafine hydrochloride (also known as TRK-820 and REMITCH): plants, production capacities, investments and involved companies.

5 July 2026

Toray develops KSB-200, next‑generation κOR analgesic candidate

Novel κ-opioid agonist showed oral analgesia in mice with reduced sedation in preclinical tests; company will present data at INRC 2026 and seek early partners.

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