Vitamin d study in breast cancer halted early – what we learned
NCT ID NCT01472445
First seen May 03, 2026 · Last updated May 14, 2026 · Updated 3 times
Summary
This study looked at whether taking high doses of vitamin D could change certain genes in breast cancer tumors, and if a woman's weight affected those changes. Researchers planned to compare normal-weight and overweight women with breast cancer, giving some a standard dose and others a high dose of vitamin D. The study was stopped early, so results are limited.
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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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Stanford University Cancer Institute
Stanford, California, 94305, United States
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