NIH-funded research R01 grant

Improving viral immunotherapy for breast cancer that has spread to the brain

Official title: Enhanced Viro-Immunotherapy for Breast Cancer Brain Metastasis

Funded at University of Texas Hlth Sci Ctr Houston · NIH-11184335 · Data updated 2026-11-12

This project tries to improve a cancer-killing herpes virus plus immune therapy to help people with breast cancer that has spread to the brain.

More Breast Cancer research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Sci Ctr Houston
NIH-funded
Lab location1 site (Houston, United States)
Project startSeptember 22, 2023
Project endAugust 31, 2028
Funding year2025
Award (this year)$494,886
NIH project number5R01CA276942-03
Project IDNIH-11184335 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates would be adults with breast cancer that has metastasized to the brain and who might be eligible for trials of oncolytic virus-based or related immunotherapies.

Less likely to help

Patients without brain metastases or those who cannot receive viral or immune-based treatments are unlikely to receive direct benefit from this work.

What this research studies

Researchers are studying why oncolytic herpes simplex virus (oHSV) treatments often fail in breast cancer brain metastases and how the tumor environment blocks the immune response. They will examine how insulin-like growth factor 2 (IGF2) and neutrophils, including neutrophil extracellular traps (NETs), interfere with virus spread and anti-tumor immunity using tumor models and laboratory experiments. Based on those findings, the team will test strategies to counteract neutrophil-driven resistance to boost viral replication and strengthen the immune attack in preclinical models. The project is led at UTHealth Houston and aims to support future clinical trials combining oHSV with treatments that modify neutrophils or IGF2 signaling.

Why it matters

Potential benefit: If successful, this work could make oncolytic virus therapy more effective against breast cancer brain metastases, potentially slowing tumor growth and improving survival.

How similar studies have gone: Oncolytic herpes viruses have shown benefit in some cancers (for example FDA-approved use in melanoma and trials in brain tumors), but combining oHSV with approaches to block neutrophil-driven resistance is a newer and less-tested strategy.

Where this research is happening

  • University of Texas Hlth Sci Ctr Houston
    Houston, United States
    Active

Researchers

  • Principal investigator: Yoo, Ji Young — University of Texas Hlth Sci Ctr Houston
  • Study coordinator: Yoo, Ji Young

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.