Experimental combo therapy shows promise in advanced cancers, but trial halted early

NCT ID NCT04916002

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether injecting vidutolimod directly into tumors plus giving cemiplimab through a vein could shrink cancers that have spread. The trial included 77 people with several types of advanced cancer. Unfortunately, the study was stopped early, so we have less information than hoped. The main goal was to see how many patients' tumors responded and to check for side effects.

What this could mean

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

Active substance

vidutolimod (CMP-001) and cemiplimab (Libtayo)

What this could lead to

If successful, this combination could offer a new treatment option for several advanced cancers by boosting the immune system to attack tumors.

What could go wrong

The trial was terminated early, so results are limited. It is unclear if the combination is effective or safe; side effects from immune activation can be serious.

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.

basal cell carcinoma cutaneous neuroendocrine carcinoma Neoplasm Metastasis non-small cell lung carcinoma oropharynx squamous cell carcinoma skin squamous cell carcinoma Squamous Cell Carcinoma of Head and Neck triple-negative breast carcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • City of Hope

    Duarte, California, 91010, United States

  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215, United States

  • Dartmouth Clinical Trial Office

    Lebanon, New Hampshire, 03756, United States

  • East Carolina University

    Greenville, North Carolina, 27858, United States

  • Fiona Stanley Hospital

    Murdoch, Western Australia, 6150, Australia

  • GenesisCare USA

    Jacksonville, Florida, 32204, United States

  • Karmanos Cancer Institute

    Detroit, Michigan, 48201, United States

  • Memorial Sloan Kettering Cancer Center

    New York, New York, 10065, United States

  • Norton Cancer Institute

    Louisville, Kentucky, 40202, United States

  • OU Health Stephenson Cancer Center

    Oklahoma City, Oklahoma, 73104, United States

  • Ohio State University

    Columbus, Ohio, 43210, United States

  • Oncology Consultants

    Houston, Texas, 77030, United States

  • Orlando Health Cancer Institute

    Orlando, Florida, 32806, United States

  • Peter MacCallum Cancer Centre (PMCC) and The Royal Melbourne Hospital

    Melbourne, Victoria, 3050, Australia

  • Princess Alexandra Hospital

    Woolloongabba, Queensland, 4102, Australia

  • St. Vincent's Hospital

    Darlinghurst, New South Wales, 2010, Australia

  • UC San Diego Moores Cancer Center

    La Jolla, California, 92037-0845, United States

  • University of Alabama

    Birmingham, Alabama, 35294, United States

  • University of California

    Los Angeles, California, 90095, United States

  • University of Iowa

    Iowa City, Iowa, 52242, United States

  • University of Pittsburgh Medical Center

    Pittsburgh, Pennsylvania, 15232, United States

  • University of Utah Huntsman Cancer Center

    Salt Lake City, Utah, 84112, United States

  • University of Washington

    Seattle, Washington, 98109, United States

  • VA Maryland Health Care System

    Baltimore, Maryland, 20814, United States