New pill aims to slash breast cancer risk by targeting dense tissue
NCT ID NCT05068388
First seen May 23, 2026 · Last updated May 23, 2026
Summary
This study tested an oral drug called (Z)-endoxifen in 240 premenopausal women with dense breasts. Dense breast tissue is a known risk factor for breast cancer. The goal was to see if the drug could safely reduce breast density over 6 months, potentially lowering future cancer risk. Participants were randomly assigned to receive different doses or a placebo.
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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.
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Locations
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Karma Study Centre
Stockholm, Sweden
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