Engineered cell therapy for breast cancer that has spread to the brain

Targeting metastatic tumors with engineered cellular therapies

NIH-funded research Brigham and Women's Hospital · NIH-11191702

A donor cell treatment that aims to find and kill breast cancer tumors that have spread to the brain in adults.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBrigham and Women's Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11191702 on NIH RePORTER

What this research studies

Researchers are developing off-the-shelf donor mesenchymal stem cells that carry a two-part protein designed to bind tumor cells and trigger cancer cell death while also affecting immune cells in the tumor environment. The team tests delivery into the brain area using approaches like intrathecal and intracarotid administration in mouse models that mimic human brain metastases and uses patient-derived tumor cells for laboratory studies. They will measure tumor killing, effects on suppressive immune cells, and whether combining the cell therapy with other immune-activating agents improves control of brain metastases. If promising, these preclinical results would be used to design early human trials for people with breast cancer brain metastases.

Who could benefit from this research

Good fit: Adults with breast cancer that has metastasized to the brain, especially those with EGFR-positive or triple-negative tumor subtypes, would be the most relevant future candidates.

Not a fit: People without brain metastases, those whose tumors lack the targeted markers, or patients who cannot tolerate intrathecal or intra-arterial delivery would likely not benefit from this approach.

Why it matters

Potential benefit: If successful, this approach could reduce or eliminate brain metastases from breast cancer and improve neurological outcomes and survival.

How similar studies have performed: Preclinical studies by the team showed tumor-killing activity in mouse models and patient-derived tumor cells, but this approach has not yet been proven safe or effective in people.

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.
Last reviewed 2026-06-13 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.