Proton 'GRID' radiation aims to safely shrink large tumors and ease pain

NCT ID NCT05831579

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

Summary

This study tests a new type of radiation called proton GRID for people with large tumors (at least 4.5 cm) that cannot be removed by surgery or have spread. The goal is to safely relieve symptoms like pain. About 24 adults will receive three radiation treatments, and researchers will monitor side effects and quality of life.

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Conditions

The condition(s) this trial relates to.

metastatic malignant neoplasm neoplasm Neoplasm Metastasis

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

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

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

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