New proton beam method targets tough sarcoma tumors

NCT ID NCT06327477

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-phase trial tests a new type of proton radiation called P-SFRT, which delivers high doses to tumors while sparing nearby organs. It is for people with newly diagnosed retroperitoneal soft tissue sarcoma that has not been treated yet. The study aims to find the best dose and see if combining it with standard radiation improves tumor shrinkage.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Proton-spatially fractionated radiotherapy (P-SFRT)

What this could lead to

If successful, this could offer a more effective radiation approach for a hard-to-treat sarcoma, potentially improving tumor shrinkage and local control.

What could go wrong

This is an early first-in-human trial with only 28 participants, so safety and efficacy are not yet established. There is a risk of side effects from high-dose radiation near sensitive organs.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

retroperitoneal sarcoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Northwestern University

    RECRUITING

    Chicago, Illinois, 60611, United States

    Contact Phone: •••-•••-••••

    Contact