NIH-funded research R21 grant

Planning safer electron FLASH radiation treatments

Official title: Treatment Planning System for Electron FLASH radiation therapy

Funded at University of Missouri-Columbia · NIH-11319868 · Data updated 2026-11-12

This project builds computer tools to help doctors plan electron FLASH radiation that may better protect healthy tissue for people needing high‑dose radiotherapy.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Missouri-Columbia
NIH-funded
Lab location1 site (Columbia, United States)
Project startFebruary 6, 2024
Project endJuly 31, 2027
Funding year2025
Award (this year)$219,624
NIH project number5R21CA277420-03
Project IDNIH-11319868 on NIH RePORTER

Who could benefit from this research

Could help

Ideal future candidates would be patients with deep or radioresistant tumors who might qualify for clinical FLASH radiation trials at specialized centers.

Less likely to help

People whose care does not involve high‑dose radiotherapy, or who are ineligible for radiation, are unlikely to benefit directly from this planning work.

What this research studies

From a patient perspective, researchers are creating and testing a treatment‑planning system that models how ultra‑high dose rate electron FLASH radiation deposits dose in larger, deeper bodies. They will use advanced simulations, imaging data, and comparisons with animal models to understand and reduce dose inhomogeneities. The team plans to adapt the planning tools for use at clinical radiation centers so plans for humans and large animals can be generated more reliably. Their work aims to make FLASH treatments safer and more predictable before wider human testing.

Why it matters

Potential benefit: If successful, this could let doctors give very high‑dose radiation while reducing harm to normal organs, potentially enabling treatment of tumors that are otherwise too risky to irradiate.

How similar studies have gone: Early small‑animal studies have reported reduced normal tissue damage with FLASH and a few large‑animal or early human efforts have started, but clinical benefit is still not proven.

Where this research is happening

  • University of Missouri-Columbia
    Columbia, United States
    Active

Researchers

  • Principal investigator: Zhang, Rongxiao — University of Missouri-Columbia
  • Study coordinator: Zhang, Rongxiao

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.