A new peptide therapy to help treat metastatic triple-negative breast cancer
Official title: A Novel Anti-Fibrotic Peptide Therapy for Metastatic Triple-Negative Breast Cancer
Funded at University of Wisconsin-Madison · NIH-11453153 · Data updated 2026-11-12
A new peptide therapy called PEG-FUD is being tested to help treat metastatic triple-negative breast cancer by normalizing the tumor environment to improve treatment delivery.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Wisconsin-Madison NIH-funded |
| Lab location | 1 site (Madison, United States) |
| Project start | July 20, 2026 |
| Project end | June 30, 2031 |
| Funding year | 2026 |
| Award (this year) | $627,628 |
| NIH project number | 1R01CA317444-01 |
| Project ID | NIH-11453153 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates are patients with metastatic triple-negative breast cancer, particularly those with tumors characterized by fibrotic extracellular matrix.
✕Less likely to help
Patients whose tumors do not rely on fibronectin-rich ECM or who cannot receive peptide-based therapies may see little benefit.
What this research studies
This project focuses on a peptide therapy designed to loosen the stiff tumor surroundings that make TNBC hard to treat. By targeting fibronectin to normalize the extracellular matrix, the therapy aims to improve chemotherapy access and immune cell infiltration. The approach uses PEGylated FUD (PEG-FUD) shown to reach tumors effectively in animal models and to reduce tumor fibronectin without harming the rest of the body. If successful, this could make standard treatments like doxorubicin work better against aggressive TNBC. The work is conducted in pre-clinical mouse models at UW–Madison to gather data before potential human studies.
Why it matters
Potential benefit: If successful, this therapy could enhance chemotherapy effectiveness and immune response in metastatic TNBC by remodeling the tumor environment.
How similar studies have gone: Pre-clinical studies in mice show that PEG-FUD can reduce tumor fibronectin and enhance chemotherapy effects without noticeable toxicity, supporting further development.
Where this research is happening
-
University of Wisconsin-Madison
Madison, United States Active
Researchers
- Principal investigator: Ponik, Suzanne Marie — University of Wisconsin-Madison
- Study coordinator: Ponik, Suzanne Marie
Related research
Other NIH-funded projects on the same topics.
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Genomic study to understand how genetics and epigenetics shape triple-negative breast cancer in African ancestry
This study looks at how inherited genes and gene activity affect triple-negative breast cancer in people of African ancestry to better understand why outcomes can be worse.
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Co-Targeting IL-6 and CDK4/6 to Prevent TNBC in Women Veterans
A study aims to block two cancer-promoting pathways (IL-6 and CDK4/6) to prevent or reduce progression of triple-negative breast cancer in women veterans.
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Linking heavy metal exposure to a tougher breast cancer type (TNBC)
Aimed at understanding how heavy metals like cadmium might trigger a dangerous breast cancer type (TNBC) in people, especially those with BRCA1 risk, to identify possible future treatment strategies.
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Dormancy in Triple-Negative Breast Cancer: How Liver and Skin Metastases Go Quiet or Reactivate
Researchers will study how dormant cancer cells in liver and skin metastases of triple-negative breast cancer become quiescent or wake up, using organ-on-chip models and single-cell analysis to map chromatin states.
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Rac-enhanced CAR-Macrophages against TNBC
A new cell therapy approach uses engineered macrophages with a CAR and Rac2 activation to target and kill triple-negative breast cancer cells expressing CSPG4.
-
Photoacoustic imaging to tailor antibody-drug therapy for TNBC
A non-invasive imaging approach using light-based sound waves (photoacoustic imaging) is being developed to guide and personalize antibody-drug conjugate therapy for women with triple-negative breast cancer.
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.