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CTRX 101

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Drug Profile

CTRX 101

Alternative Names: CTRX-101

Latest Information Update: 23 Jan 2026

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At a glance

  • Originator CounterX Therapeutics
  • Class Drug withdrawal therapies; Monoclonal antibodies
  • Mechanism of Action Fentanyl inhibitors
  • 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

  • Preclinical Opioid-related disorders

Most Recent Events

  • 29 Oct 2025 Preclinical trials in Opioid-related disorders (Prevention) in USA (SC) (CounterX Therapeutics pipeline, October 2025)
  • 29 Oct 2025 CounterX Therapeutics anticipates filing of an Investigational New Drug Application (IND) with the US FDA in late 2025

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