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Clesitamig - Chugai Pharmaceutical

Drug Profile

Clesitamig - Chugai Pharmaceutical

Alternative Names: ALPS-12; RG-6524; RO-7616789

Latest Information Update: 15 Oct 2025

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At a glance

  • Originator Chugai Pharmaceutical
  • Class Antineoplastics; Fab fragments; Immunotherapies; Recombinant fusion proteins; Trispecific antibodies
  • Mechanism of Action Antibody-dependent cell cytotoxicity; Cytotoxic T lymphocyte stimulants; Immunologic cytotoxicity; T lymphocyte stimulants
  • 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

  • Phase I Neuroendocrine tumours; Small cell lung cancer; Solid tumours

Most Recent Events

  • 15 Oct 2025 Clesitamig is still in phase I trial for Solid tumours (IV) at an unknown location
  • 01 Sep 2025 Chugai Pharmaceutical plans a phase I trial for Small cell lung cancer (Recurrent, Second-line therapy or greater) in Japan (IV, Infusion) (NCT07107490)
  • 04 Mar 2025 Roche completes a phase I trial in Neuroendocrine tumours and Small cell lung cancer (Late-stage disease, Second-line therapy or greater) in USA, Poland, Spain, Denmark, Japan (IV) (NCT05619744)

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