New drug Z-Endoxifen shows promise in early breast cancer trial
NCT ID NCT01327781
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial tested a drug called Z-endoxifen in 62 people with a type of breast cancer that has spread or come back. The goal was to find the safest dose and check for side effects. Z-endoxifen works by blocking estrogen, which some breast cancers need to grow.
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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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Mayo Clinic in Arizona
Scottsdale, Arizona, 85259, 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