Experimental cancer drug tested in early trial, but study stopped early

NCT ID NCT06466187

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

Summary

This early-stage trial tested an experimental drug called PF-08052666 in 19 people with advanced solid tumors like lung, ovarian, and pancreatic cancers that had not responded to standard treatments. The drug is designed to target and kill cancer cells. The study aimed to find a safe dose and check for side effects, but it was terminated early, so full results are not available.

What this could mean

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

Active substance

PF-08052666 (also called SGN-MesoC2), an antibody-drug conjugate given into the vein

What this could lead to

If it works, this could point toward a new treatment option for certain advanced solid tumors that have not responded to standard therapies.

What could go wrong

This is a very early Phase 1 trial that was terminated early, so results are limited. The drug may not prove effective or safe in larger studies.

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.

colorectal cancer colorectal neoplasm endometrial cancer endometrium neoplasm lung neoplasm mesothelioma neoplasm non-small cell lung carcinoma ovarian cancer ovarian neoplasm pancreatic adenocarcinoma pancreatic ductal adenocarcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • Atrium Health Wake Forest Baptist

    Winston-Salem, North Carolina, 27157, United States

  • McGill University Health Centre

    Montreal, Quebec, H4A 3J1, Canada

  • SCRI Oncology Partners

    Nashville, Tennessee, 37203, United States

  • START Mountain Region, LLC

    West Valley City, Utah, 84119, United States

  • START San Antonio, LLC

    San Antonio, Texas, 78229, United States

  • Sarah Cannon Research Institute - Pharmacy

    Nashville, Tennessee, 37203, United States

  • The Board of Trustees of the University of Alabama for the University of Alabama at Birmingham

    Birmingham, Alabama, 35294, United States

  • The University of Alabama at Birmingham

    Birmingham, Alabama, 35249, United States

  • The University of Kansas Cancer Center - Indian Creek Campus

    Overland Park, Kansas, 66211, United States

  • The University of Kansas Cancer Center - Westwood

    Westwood, Kansas, 66205, United States

  • The University of Kansas Cancer Center, Investigational Drug Services

    Westwood, Kansas, 66205, United States

  • The University of Kansas Clinical Research Center

    Fairway, Kansas, 66205, United States

  • The University of Kansas Hospital

    Kansas City, Kansas, 66160, United States

  • The University of Kansas Hospital Cambridge North Tower A

    Kansas City, Kansas, 66160, United States

  • The University of Kansas Medical Center Medical Office Building

    Kansas City, Kansas, 66160, United States

  • University Health Network

    Toronto, Ontario, M5G 2C4, Canada

  • University Health Network, Princess Margaret Cancer Centre

    Toronto, Ontario, M5G 2M9, Canada

  • University of Alabama at Birmingham

    Birmingham, Alabama, 35233, United States

  • University of Alabama at Birmingham

    Birmingham, Alabama, 35249, United States