Vaccine aimed at stopping colon cancer in lynch syndrome patients shows promise

NCT ID NCT05419011

First seen Jan 04, 2026 · Last updated Apr 24, 2026 · Updated 18 times

Summary

This study tests a special vaccine (Tri-Ad5) combined with an immune booster (N-803) to see if it can prevent colon cancer and other cancers in people with Lynch syndrome, a genetic condition that raises cancer risk. About 186 participants will receive either the vaccine combo or a placebo. The goal is to lower the number of precancerous growths and cancers over time.

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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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Contacts and locations

Locations

  • Cleveland Clinic Foundation

    Cleveland, Ohio, 44195, United States

  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215, United States

  • Fox Chase Cancer Center

    Philadelphia, Pennsylvania, 19111, United States

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States

  • Mayo Clinic Hospital in Arizona

    Phoenix, Arizona, 85054, United States

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

  • Northwestern University

    Chicago, Illinois, 60611, United States

  • Ohio State University Comprehensive Cancer Center

    Columbus, Ohio, 43210, United States

  • UCHealth University of Colorado Hospital

    Aurora, Colorado, 80045, United States

  • UCSF Medical Center-Parnassus

    San Francisco, California, 94143, United States

  • University of Arizona Cancer Center - Prevention Research Clinic

    Tucson, Arizona, 85719, United States

  • University of Kansas Cancer Center

    Kansas City, Kansas, 66160, United States

  • University of Michigan Rogel Cancer Center

    Ann Arbor, Michigan, 48109, United States

  • University of Puerto Rico

    San Juan, 00936, Puerto Rico

Conditions

Explore the condition pages connected to this study.