Status:

RECRUITING

A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01)

Lead Sponsor:

Bristol-Myers Squibb

Collaborating Sponsors:

SystImmune Inc.

Conditions:

Breast Neoplasms

Eligibility:

All Genders

18+ years

Phase:

PHASE2

PHASE3

Brief Summary

The purpose of this study is to assess the efficacy and safety of iza-bren, a bi-specific antibody-drug conjugate against EGFR and HER3 with a topoisomerase inhibitor payload versus treatment of physi...

Eligibility Criteria

Inclusion

  • Inclusion Criteria
  • Histologically or cytologically confirmed and documented locally-advanced, recurrent inoperable, or metastatic TNBC (ER \< 1%, PgR \< 1%, HER2 IHC 0, 1+, or 2+ with FISH negative for HER2 gene amplification) or ER-low, HER2-negative BC (ER and / or PgR 1% to 10%, HER2 IHC 0, 1+, or 2+ with FISH negative for HER2 gene amplification) per ASCO/CAP criteria, based on the most recently analyzed biopsy or other pathology specimen.
  • Patients with recurrent disease must have experienced disease relapse at least 6 months after finishing their last therapy with curative intent.
  • Patients with TNBC must be considered ineligible for 1L chemotherapy combination treatment with an anti-PD-1 or an anti-PD-L1 due to either one of the following criteria:.
  • Investigator-determined ineligibility based on PD-L1 negative disease determined and documented prior to trial screening as part of SoC.
  • Has experienced disease relapse between 6 to 12 months after the completion of (neo)adjuvant therapy with an anti-PD(L)1.
  • Has a severe auto-immune disease or other contraindication.
  • Patients with ER-low, HER2-negative BC must be ineligible, in the opinion of the Investigator, for endocrine therapy-based treatments.
  • No previous systemic therapy in the locally advanced, recurrent inoperable or metastatic setting (ie incurable setting).
  • Measurable disease by CT or MRI as per RECIST v1.1.
  • Other protocol-defined Inclusion/Exclusion criteria apply.

Exclusion

    Key Trial Info

    Start Date :

    September 11 2025

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    May 15 2030

    Estimated Enrollment :

    500 Patients enrolled

    Trial Details

    Trial ID

    NCT06926868

    Start Date

    September 11 2025

    End Date

    May 15 2030

    Last Update

    January 5 2026

    Active Locations (291)

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    Page 1 of 73 (291 locations)

    1

    Local Institution - 0303

    Hot Springs, Arkansas, United States, 71913

    2

    Helios Clinical Research

    Cerritos, California, United States, 90703

    3

    Local Institution - 0307

    Cerritos, California, United States, 90703

    4

    Local Institution - 0308

    Cerritos, California, United States, 90703

    A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01) | DecenTrialz