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CL 273

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Drug Profile

CL 273

Alternative Names: CL-273

Latest Information Update: 24 Apr 2026

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At a glance

  • Originator Celyn Therapeutics
  • Developer Celyn Therapeutics; Kairos Pharma
  • Class Antineoplastics; Small molecules
  • Mechanism of Action Epidermal growth factor receptor antagonists
  • 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 Non-small cell lung cancer

Most Recent Events

  • 27 Feb 2026 Kairos Pharma signs term sheet for strategic asset acquisition of CL 273 with Celyn Therapeutics
  • 27 Feb 2026 Preclinical trials in Non-small cell lung cancer in USA (unspecified route), before February 2026
  • 26 Feb 2026 Celyn Therapeutics plans a first-in-human clinical trial for Non-small cell lung cancer in 2026

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