Optimizing ultra‑high dose‑rate (FLASH) radiation to spare healthy tissue

Preclinical optimization of ultra-high dose rate (FLASH) radiotherapy parameters for translational relevance

NIH-funded research University of Tx Md Anderson Can Ctr · NIH-11166600

This project looks at ultra‑fast (FLASH) radiation methods that aim to control tumors while reducing damage to healthy organs for people with cancer.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Tx Md Anderson Can Ctr NIH-funded
Lab location1 site (Houston, United States)
Project IDNIH-11166600 on NIH RePORTER

What this research studies

Researchers at MD Anderson are testing different beam settings and fractionation schedules in lab and animal models to find when FLASH radiation protects normal tissues without losing tumor control. They will directly compare FLASH versus conventional dose‑rate radiation and use precise tumor cure assays (TCD50) rather than just measuring growth delay. The team will standardize physical beam parameters to explain why past studies sometimes disagreed about FLASH benefits. Results are intended to guide safer, more consistent clinical trials for patients.

Who could benefit from this research

Good fit: People with tumors commonly treated with radiation—such as brain, lung, or abdominal/GI cancers—would be the likely candidates for future FLASH clinical trials informed by this work.

Not a fit: Patients whose cancers are not treated with radiation or whose tumors cannot be targeted safely by radiation are unlikely to benefit directly.

Why it matters

Potential benefit: If successful, this work could enable radiation that controls cancer while causing fewer side effects to healthy organs.

How similar studies have performed: Preclinical studies have often shown promising normal‑tissue protection with FLASH but results have been mixed across organs and models, and clinical experience is still limited.

Where this research is happening

Houston, 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 Cancer CenterCancer Patient
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.