New pill shows promise for Hard-to-Treat breast cancer
NCT ID NCT05304962
First seen Apr 02, 2026 · Last updated May 16, 2026 · Updated 9 times
Summary
This early-stage study tests a new oral drug, RGT-419B, in people with advanced hormone receptor-positive, HER2-negative breast cancer that has worsened after standard treatments. The goal is to find a safe dose and see if the drug, given alone or with hormone therapy, can help control the disease. About 64 adults with stage III or IV cancer will take part.
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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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Study contacts
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Contact
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Locations
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Emory University
RECRUITINGAtlanta, Georgia, 30322, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Hem-Onc Associates of the Treasure Coast
ACTIVE_NOT_RECRUITINGPort Saint Lucie, Florida, 34952, United States
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02142, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Moffitt Cancer Center
RECRUITINGTampa, Florida, 33612, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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New York Cancer and Blood Specialists
RECRUITINGPort Jefferson Station, New York, 11776, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University California, Los Angeles
RECRUITINGLos Angeles, California, 90404, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of California, San Diego
RECRUITINGLa Jolla, California, 92037, United States
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Contact Phone: •••-•••-•••• Email: •••••@•••••
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Washington University School of Medicine
RECRUITINGSt Louis, Missouri, 63110, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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