Reducing radiation damage for sarcoma with ultra-fast 'FLASH' proton therapy

Project 2: Mitigation of radiation toxicity in treatment of sarcoma with FLASH vs. Standard dose rates

NIH-funded research University of Pennsylvania · NIH-11298924

This project compares ultra-fast 'FLASH' proton radiation with standard proton therapy to see if people treated for sarcoma have fewer side effects.

Quick facts

Grant typeP01 program project
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11298924 on NIH RePORTER

What this research studies

Researchers are comparing 'FLASH' proton radiotherapy — an ultra-fast way to deliver radiation — with the usual proton dose rates to see how healthy tissues respond. They will examine common problems after sarcoma radiation such as skin damage, non-healing ulcers, lymphedema, bone weakening or fractures, and blood vessel injury. The work uses laboratory and preclinical models and modeling of radiation effects, aiming to show whether FLASH can spare normal tissue while still controlling tumor growth. If the data look promising, the approach would be moved toward clinical testing for people who need high-dose radiation for sarcoma.

Who could benefit from this research

Good fit: People with bone or soft-tissue sarcoma who need high-dose radiation as part of their treatment would be the main candidates.

Not a fit: Patients who are not receiving radiation, are treated only with surgery or chemotherapy, or whose care does not involve proton therapy may not benefit from this approach.

Why it matters

Potential benefit: If successful, FLASH proton therapy could reduce short- and long-term damage to skin, bone, and soft tissues while maintaining cancer control.

How similar studies have performed: FLASH radiation has shown promising reductions in normal-tissue injury in laboratory and animal studies but has only limited early clinical testing so far.

Where this research is happening

Philadelphia, 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 Acute Radiation Syndrome
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.