New antibody drug shows promise against metastatic breast cancer

NCT ID NCT04699630

First seen Jan 11, 2026 · Last updated May 13, 2026 · Updated 16 times

Summary

This study tested an experimental drug called U3-1402 (patritumab deruxtecan) in 121 people with advanced or metastatic breast cancer. The goal was to see if the drug could shrink tumors and how safe it was. Participants received the drug intravenously, and researchers measured response rates and side effects. The trial is now complete.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for METASTATIC BREAST CANCER are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Locations

  • City of Hope

    Duarte, California, 91010, United States

  • Florida Cancer Specialists-North

    St. Petersburg, Florida, 33705, United States

  • Florida Cancer Specialists-South

    Fort Myers, Florida, 33901, United States

  • Fred Hutchinson Cancer Center

    Seattle, Washington, 98109, United States

  • Highlands Oncology Group

    Springdale, Arkansas, 72762, United States

  • Levine Cancer Institute

    Charlotte, North Carolina, 28204, United States

  • Rutgers-Cancer Institute of New Jersey

    New Brunswick, New Jersey, 08903, United States

  • SCRI Oncology Partners

    Nashville, Tennessee, 37203, United States

  • Tennessee Oncology

    Nashville, Tennessee, 37203, United States

  • University of Alabama at Birmingham

    Birmingham, Alabama, 35249, United States

  • Washington University School of Medicine

    St Louis, Missouri, 63110, United States

Conditions

Explore the condition pages connected to this study.