Virus therapy fails to advance in colorectal cancer trial

NCT ID NCT05733611

First seen Feb 02, 2026 · Last updated Jun 16, 2026 · Updated 22 times

Summary

This study tested a new approach using a virus that attacks cancer cells (oncolytic immunotherapy) along with two standard drugs (atezolizumab and bevacizumab) in people with advanced colorectal cancer that had stopped responding to other treatments. The trial was stopped early after enrolling only 5 participants. The goal was to see if the combination could shrink tumors, but results are limited due to early termination.

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Contacts and locations

Locations

  • USC Norris Comprehensive Cancer Center

    Los Angeles, California, 90033, United States

  • University of Washington Seattle Cancer Care Alliance

    Seattle, Washington, 98109, United States

Conditions

Explore the condition pages connected to this study.