Can estrogen fight an aggressive breast cancer? new trial explores
NCT ID NCT03941730
First seen Nov 21, 2025 · Last updated May 15, 2026 · Updated 17 times
Summary
This study tests if the hormone estradiol can slow or shrink tumors in people with a specific type of triple negative breast cancer that has spread. The cancer must have a protein called ER beta, which may make it sensitive to estrogen. The goal is to see if this treatment can control the disease for at least 6 months.
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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.
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
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Locations
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FHCC South Lake Union
Seattle, Washington, 98109, United States
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Mayo Clinic in Florida
Jacksonville, Florida, 32224-9980, United States
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Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States
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MedStar Georgetown University Hospital
Washington D.C., District of Columbia, 20007, United States
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Montefiore Medical Center-Einstein Campus
The Bronx, New York, 10461, United States
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UCSF Medical Center-Mission Bay
San Francisco, California, 94158, United States
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University of Alabama at Birmingham Cancer Center
Birmingham, Alabama, 35233, United States
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University of Chicago Comprehensive Cancer Center
Chicago, Illinois, 60637, United States
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University of Washington Medical Center - Montlake
Seattle, Washington, 98195, United States
Conditions
Explore the condition pages connected to this study.