700 breast cancer patients join study to track how CDK4/6 drugs work in real life
NCT ID NCT04526587
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 700 adults with advanced or metastatic breast cancer who are taking CDK4/6 inhibitors (ciclib drugs). Researchers collect blood, tissue, and fluid samples to understand how the cancer responds, why resistance develops, and how well patients do over time. The goal is to learn more about the disease and improve future treatment decisions.
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Roswell Park Cancer Institute
RECRUITINGBuffalo, New York, 14263, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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