Smart radiation drug shows promise for tough head and neck cancers

NCT ID NCT04105543

First seen Nov 01, 2025 · Last updated May 14, 2026 · Updated 22 times

Summary

This early-stage study tested an experimental drug called CLR 131, which delivers radiation directly to cancer cells, combined with standard radiation therapy. It involved 12 people with head and neck cancer that had come back after previous treatment. The main goal was to check safety and see how well the drug targets tumors.

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Contacts and locations

Locations

  • UW Cancer Center Johnson Creek

    Johnson Creek, Wisconsin, 53038, United States

  • University of Wisconsin Carbone Cancer Center

    Madison, Wisconsin, 53792, United States

Conditions

Explore the condition pages connected to this study.