New drug shows promise for Tough-to-Treat prostate cancer

NCT ID NCT04702737

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This early-stage trial tested a drug called Tarlatamab in 41 men with a rare and aggressive form of prostate cancer called neuroendocrine prostate cancer. The main goal was to check the drug's safety and find the best dose. The drug works by helping the body's immune cells recognize and attack cancer cells.

What this could mean

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

Active substance

Tarlatamab (also called AMG 757), a drug that helps immune cells attack cancer cells

What this could lead to

If successful, this could lead to a new treatment option for men with a rare and aggressive form of prostate cancer that currently has few options.

What could go wrong

This is an early phase 1 trial with only 41 participants, focused on safety and dosing. It is too small to prove effectiveness, and side effects may be significant.

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.

prostate neuroendocrine neoplasm

As listed by the trial registrant

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

Contacts and locations

Locations

  • Chris OBrien Lifehouse

    Camperdown, New South Wales, 2050, Australia

  • Community Health Network MD Anderson Cancer Center - North

    Indianapolis, Indiana, 46250, United States

  • Erasmus Medisch Centrum

    Rotterdam, 3015 GD, Netherlands

  • Gustave Roussy

    Villejuif, 94805, France

  • Hospital Clinic i Provincial de Barcelona

    Barcelona, Catalonia, 08036, Spain

  • Keio University Hospital

    Shinjuku-ku, Tokyo, 160-8582, Japan

  • Landeskrankenhaus Salzburg

    Salzburg, 5020, Austria

  • Mayo Clinic Arizona

    Phoenix, Arizona, 85054, United States

  • Medizinische Universitaet Graz

    Graz, 8036, Austria

  • Ordensklinikum Linz Elisabethinen

    Linz, 4020, Austria

  • Peter MacCallum Cancer Centre

    Melbourne, Victoria, 3000, Australia

  • Royal Marsden Hospital

    Sutton, SM2 5PT, United Kingdom

  • The Ohio State University

    Columbus, Ohio, 43210, United States

  • Universitair Ziekenhuis Gent

    Ghent, 9000, Belgium

  • University of California at San Francisco Helen Diller Family Comprehensive Cancer Center

    San Francisco, California, 94158, United States

  • University of Chicago

    Chicago, Illinois, 60637, United States

  • University of Texas MD Anderson Cancer Center

    Houston, Texas, 77030, United States

  • Wake Forest University Health Sciences

    Winston-Salem, North Carolina, 27103, United States

  • Washington University

    St Louis, Missouri, 63110-1093, United States

  • Weill Cornell Medical College

    New York, New York, 10021, United States

  • Winship Cancer Institute of Emory University

    Atlanta, Georgia, 30322, United States