Targeting MUC1-C in triple-negative breast cancer

Targeting the MUC1-C Oncoprotein in Triple-Negative Breast Cancer

['FUNDING_R01'] · DANA-FARBER CANCER INST · NIH-11299529

Testing therapies that block the MUC1-C protein to help people with advanced or treatment-resistant triple-negative breast cancer.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorDANA-FARBER CANCER INST (nih funded)
Locations1 site (BOSTON, UNITED STATES)
Trial IDNIH-11299529 on ClinicalTrials.gov

What this research studies

This work focuses on a protein in TNBC cells called MUC1-C that helps tumors resist therapy and hide from the immune system. Scientists created an antibody called 3D1 that binds the MUC1-C extracellular domain and are developing it both as an antibody-drug conjugate (ADC) and as a targeting agent for allogeneic CAR T cells. The CAR T approach has progressed into early clinical testing and the ADC program is moving toward regulatory (IND-enabling) studies. The overall goal is to kill cancer cells that drive recurrence, reverse DNA-damage resistance, and improve immune control of TNBC.

Who could benefit from this research

Good fit: People with triple-negative breast cancer, especially those with advanced, recurrent, or metastatic disease and tumors that express MUC1-C, would be the most likely candidates.

Not a fit: Patients whose tumors do not express MUC1-C or who are medically ineligible for early-phase immunotherapy or cell‑therapy trials may not benefit from these specific approaches.

Why it matters

Potential benefit: If successful, these approaches could provide new treatment options that overcome resistance and shrink tumors in people with advanced triple-negative breast cancer.

How similar studies have performed: Preclinical results are strong and early clinical programs using MUC1-C–directed CAR T cells and ADCs have begun, showing promising early progress but not yet proven long-term benefit.

Where this research is happening

BOSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Conditions: Anti-Cancer Agents, Breast Cancer Cell, Breast Cancer Patient

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.