Study of Vitamin D for Premenopausal Women at High Risk for Breast Cancer

Breast Cancer Clinical Trial

Official title:

Pilot Biomarker Modulation Study of Vitamin D in Premenopausal Women at High Risk for Breast Cancer

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT00976339
• Other study ID #: AAAC3089
• Status: Completed
• Phase: Phase 1
• First received: September 11, 2009
• Last updated: August 30, 2017
• Start date: September 2007
• Est. completion date: December 2013

Study information

• Verified date: August 2017
• Source: Columbia University
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This proposal is for a pilot study of 20 premenopausal women at high risk for breast cancer development who will receive high dose vitamin D3, cholecalciferol 20,000 IU (2 capsules) weekly, or 30,000 IU (3 capsules) weekly, for 1 year. The primary objective of this study is to determine the feasibility of a 1-year intervention of vitamin D in this study population. Secondary objectives include evaluating the biologic effects of vitamin D supplementation on blood based and image-based biomarkers.

Description:

Vitamin D has diverse biological effects relevant to carcinogenesis, including known cross-talk between the vitamin D receptor (VDR) and insulin-like growth factor (IGF) signaling pathways. Based upon observational data, women with serum 25(OH) D levels greater than 40-50 ng/ml had a 50% lower risk of breast cancer compared to women with vitamin D deficiency.

Vitamin D is a fat-soluble vitamin which is produced in the body and may come from food sources. Epidemiologic studies suggest that vitamin D may influence breast cancer development, which has resulted in increased interest in the use of vitamin D for the treatment and prevention of breast cancer. Numerous experimental studies have shown that vitamin D compounds have anti-carcinogenic properties against breast cancer. Given the epidemiologic data and the extensive preclinical evidence of the anti-tumor effects of vitamin D, it is therefore reasonable to test the biological effects of high-dose vitamin D in early phase clinical trials. The investigators hypothesize that vitamin D3, cholecalciferol, will modulate biomarkers of breast cancer risk.

The relationship between vitamin D status and mammographic density (MD), a strong predictor of breast cancer risk, remains unclear [8]. MD refers to the relative proportions of radiolucent fat and radiodense epithelial and stromal tissue and may serve as a useful intermediate biomarker for breast cancer risk assessment in investigations of potential chemopreventive agents. Cross-sectional studies evaluating the association between vitamin D intake and MD observed an inverse association among premenopausal women, particularly with high serum IGF-1 and low serum IGF binding protein-3 (IGFBP-3). However, there is limited data on the biologic effects of vitamin D supplementation for breast cancer prevention in human intervention trials.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 20
• Est. completion date: December 2013
• Est. primary completion date: December 2013
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Female
• Age group: 21 Years and older

Eligibility

Inclusion Criteria:

• Elevated risk of breast cancer defined as having at least one of the following: (1) Predicted 5-year modified Gail model risk of 1.7% or greater, (2) Lobular carcinoma in situ, (3) Known BRCA1 or BRCA2 deleterious mutation carrier, (4) Prior history of ductal carcinoma in situ, if no current tamoxifen use or prior radiation to the contralateral breast.

• Age 21 years or older.

• Premenopausal defined as < 6 months since the last menstrual period, no prior bilateral oophorectomy, not on estrogen replacement, and serum Follicle-stimulating hormone (FSH) values consistent with institutional normal values for the premenopausal state.

• Normal breast exam and mammogram (BIRADS score of 1 or 2).

• Baseline mammographic density =25% as assessed qualitatively by the mammographer (25-50% = "scattered fibroglandular densities"; >50-75% = "heterogeneously dense breasts"; >75% = "extremely dense breasts").

• Baseline serum 25-hydroxyvitamin D <32 ng/ml.

• Prior tamoxifen use is allowed provided treatment is discontinued at least 28 days prior to enrollment.

• Willingness to allow submission of core needle breast biopsy for pathology review and collection of blood for biomarker analysis and banking.

• At least one breast available for imaging and biopsy.

• Willingness to not take calcium or vitamin D supplements during the one year intervention, due to the potential risk of hypercalcemia/hypercalciuria with high dose vitamin D. Premenopausal women who need to take calcium supplementation for any medical condition will be excluded from the study. Dietary restrictions on calcium intake may be imposed if the subject is found to have borderline high serum or urine levels of calcium during the study intervention and a list of dietary sources of calcium will be provided.

• Normal serum calcium.

• No history of kidney stones.

• Adequate renal and hepatic function: serum creatinine, bilirubin, aspartate aminotransferase (AST), alanine transaminase (ALT) and alkaline phosphatase < 2.0 x the institutional upper limit of normal (IULN).

• No hypersensitivity reactions to vitamin D.

• Performance status of 0 or 1.

• Not pregnant or nursing.

• Agree to use effective contraception, hormone-based oral contraceptives allowed but switching birth control methods is discouraged while on-study.

• No significant medical or psychiatric condition that would preclude study completion.

Exclusion Criteria:

• Not meeting one or any of inclusion criteria

Related Conditions & MeSH terms

• Breast Cancer
• Breast Neoplasms

Intervention

Drug:
• Cholecalciferol
Cholecalciferol is a vitamin D3. Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body. Cholecalciferol is used to treat or prevent many conditions caused by a lack of vitamin D. Cholecalciferol will be available in gel capsule form at 10,000 IU (0.25 mg cholecalciferol) each.

Locations

Country	Name	City	State
United States	Columbia University Medical Center Herbert Irving Cancer Center	New York	New York

Sponsors (2)

Lead Sponsor	Collaborator
Katherine D. Crew	Prevent Cancer Foundation

Country where clinical trial is conducted

United States, 

References & Publications (25)

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Chen WY, Bertone-Johnson ER, Hunter DJ, Willett WC, Hankinson SE. Associations between polymorphisms in the vitamin D receptor and breast cancer risk. Cancer Epidemiol Biomarkers Prev. 2005 Oct;14(10):2335-9. — View Citation

Chlebowski, R. T., Johnson, K. C., Kooperberg, C., Hubbell, A., Lane, D., O'Sullivan, M., Cummings, S., Rohan, T., Khandekar, J., and Investigators, T. W. s. H. I. The Women's Health Initiative randomized trial of calcium plus vitamin D: effects on breast cancer and arthralgias. Proceedings of the American Society of Clinical Oncology 24, pp. LBA6. Atlanta, 2006.

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Lowe L, Hansen CM, Senaratne S, Colston KW. Mechanisms implicated in the growth regulatory effects of vitamin D compounds in breast cancer cells. Recent Results Cancer Res. 2003;164:99-110. Review. — View Citation

Lowe LC, Guy M, Mansi JL, Peckitt C, Bliss J, Wilson RG, Colston KW. Plasma 25-hydroxy vitamin D concentrations, vitamin D receptor genotype and breast cancer risk in a UK Caucasian population. Eur J Cancer. 2005 May;41(8):1164-9. Epub 2005 Apr 14. — View Citation

Mathiasen IS, Sergeev IN, Bastholm L, Elling F, Norman AW, Jäättelä M. Calcium and calpain as key mediators of apoptosis-like death induced by vitamin D compounds in breast cancer cells. J Biol Chem. 2002 Aug 23;277(34):30738-45. Epub 2002 Jun 18. — View Citation

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* Note: There are 25 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Number of Participants That Successfully Completed the 1-year Intervention		1 year
Secondary	Change in Mammographic Breast Density		1 year