← Back to results
NCT07173751PHASE3RECRUITING

ROSETTA Breast-01: The Effects and Safety of Pumitamig in Patients With Triple-Negative Breast Cancer

A Phase III, Multisite, Randomized, Double-Blind Trial of BNT327 in Combination With Chemotherapy Versus Placebo With Chemotherapy in Patients With Previously Untreated Locally Recurrent Inoperable or Metastatic TNBC Determined Ineligible for PD(L)1 Therapy Based on PD-L1 Negative Disease

Sponsor: BioNTech SE + Bristol-Myers Squibb

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

Request endpoint coverage

Key Facts

Study type
INTERVENTIONAL
Conditions
Breast Neoplasms
Interventions
Pumitamig, Nab-paclitaxel/Paclitaxel, Gemcitabine, Carboplatin
Enrollment
558 participants
Primary completion
Dec 2029
Study completion
Sep 2030
First posted
Sep 2025
Last updated
May 2026

Primary Endpoints (CT.gov)

Progression-Free Survival (PFS) as Assessed by Blinded Independent Central Review (BICR)

Time frame: Up to approximately 32 months

Overall Survival (OS)

Time frame: Up to approximately 49 months

Secondary Endpoints

Objective Response Rate (ORR) as Assessed by BICR

PFS

ORR

Eligibility Criteria

Inclusion Criteria: * Are considered ineligible for combination treatment with a monospecific PD(L)1 targeting immunotherapy plus chemotherapy as per their tumor PD-L1 expression status. * Have confirmed locally recurrent inoperable or metastatic TNBC, or estrogen receptor (ER)-low, human epidermal growth factor receptor 2 (HER2)-negative breast cancer (ER and/or progesterone receptor \[PgR\]) 1% to 10%, HER2 immunohistochemistry \[IHC\] 0, 1+, or 2+ with fluorescence in situ hybridization \[FISH\] negative for HER2 gene amplification) documented prior to trial screening as part of standard of care. * Have at least one measurable lesion as the targeted lesion based on RECIST v1.1. * Have provided a tissue sample, archival or fresh, during the screening period (bone biopsies, fine needle aspiration biopsies, and samples from pleural or peritoneal fluid are not acceptable; participants with only one target lesion are not eligible to participate in the trial). * Eastern cooperative oncol

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

Request coverage →

Source

Open on ClinicalTrials.gov