IDE849

Drug

Drug Profile

IDE849 is a potential first-in-class DLL3 TOP1i antibody-drug conjugate for DLL3-upregulated solid tumors, with early efficacy signals in small-cell lung cancer cohorts. IDEAYA initiated a global Phase 1 program in May 2025 and has achieved first-patient-in in the United States. Development plans include expansion into neuroendocrine and other DLL3-overexpressing tumors.

Drug Class
DLL3-targeting TOP1 inhibitor antibody-drug conjugate (ADC)
Approval Status
Investigational candidate in Phase 1 development; not approved.
Mechanism of Action
ADC targeting DLL3 with a topoisomerase I inhibitor payload.
Indications
  • \Small-cell lung cancer (SCLC)\
  • \Neuroendocrine tumors (NETs)\
  • \Other DLL3-overexpressing solid tumors\

Related News

Related Clinical Trials

NCT ID Title Status Phase
NCT07174583

A Study of IDE849 in Patients With DLL3 Expressing Tumors Including Small Cell Lung Cancer

RECRUITING PHASE1/PHASE2