Targeting tumor-supporting immune cells to boost brain tumor radiation

Improving glioma radiotherapy by theragnostic targeting of tumor-supporting macrophages

NIH-funded research Purdue University · NIH-11308723

This project tests whether adding the FDA-approved iron agent ferumoxytol to standard radiation can help people with glioblastoma respond better.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionPurdue University NIH-funded
Lab location1 site (West Lafayette, United States)
Project IDNIH-11308723 on NIH RePORTER

What this research studies

If you have glioblastoma, this work looks at combining the radiation you would normally get with a repurposed FDA-approved iron agent called ferumoxytol that can alter tumor-supporting immune cells called macrophages. Researchers will use lab models and clinically relevant radiation schedules that reflect treatment for newly diagnosed and recurrent patients. They will study how changing these macrophages affects tumor cell survival and the immune response after radiation. The team aims to understand the ways this combined approach might make radiation kill tumor cells more effectively.

Who could benefit from this research

Good fit: Adults with newly diagnosed or recurrent glioblastoma who are receiving or eligible for radiotherapy would be the most relevant candidates.

Not a fit: People without glioblastoma, those not receiving radiation, or anyone with a known allergy or contraindication to iron products may not benefit.

Why it matters

Potential benefit: If successful, adding ferumoxytol to radiation could make radiotherapy more effective and delay or prevent tumor recurrence.

How similar studies have performed: Early laboratory and imaging studies show ferumoxytol can affect tumor immune cells, but combining it with radiation for glioblastoma remains largely experimental.

Where this research is happening

West Lafayette, 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.
Conditions Brain CancerCancers
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.