Clinical Trials Directory

Vitamin D and Breast Cancer: Does Weight Make a Difference?

This is a research study of the effect of Vitamin D on breast cancer. We hope to learn whether Vitamin D can change characteristics of certain genes in a breast cancer tumor that affect its growth. We believe some of these characteristics may be influenced by body weight.

Stanford is not currently accepting new patients for this trial. You may want to check to see if other locations are recruiting.



  • drug : Vitamin D3

Phase: N/A


Ages Eligible For Study:

18 Years - N/A

Inclusion Criteria

- 3.1.1 Women who have undergone a core needle biopsy demonstrating an operable breast cancer whom have not yet had any further therapy. - 3.1.2 No prior therapy for breast cancer. - 3.1.4 Age 18 years or older. - 3.1.5 Any menopausal status - 3.1.6 Planned surgical resection of breast cancer or repeat core biopsy tissue sampling prior to initiation of neoadjuvant systemic chemotherapy. - 3.1.7 Availability of tissue blocks from initial core needle biopsy. - 3.1.8 Signed informed consent. - 3.1.9 Willing to discontinue use of all supplements containing Vitamin D for the duration of the study, and take only the Vitamin D provided by the study.

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Contact information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Not Recruiting

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