Vitamin d breast cancer study pulled before it began
NCT ID NCT02856503
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study planned to give high doses of vitamin D to women with breast cancer before their surgery. Researchers wanted to see if the vitamin would change certain markers in the cancer cells. However, the study was withdrawn before any participants were enrolled, so no results are available.
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Conditions
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