NCT01224678

Brief Summary

RATIONALE: Vitamin D may help prevent breast cancer. PURPOSE: This randomized clinical trial is studying vitamin D and breast cancer biomarkers in female patients.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
300

participants targeted

Target at P25-P50 for phase_3 breast-cancer

Timeline
Completed

Started Oct 2010

Geographic Reach
1 country

103 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2010

Completed
18 days until next milestone

First Submitted

Initial submission to the registry

October 19, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 20, 2010

Completed
4.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
3.6 years until next milestone

Results Posted

Study results publicly available

June 25, 2018

Completed
Last Updated

October 8, 2024

Status Verified

September 1, 2024

Enrollment Period

4.2 years

First QC Date

October 19, 2010

Results QC Date

March 6, 2017

Last Update Submit

September 23, 2024

Conditions

Keywords

breast cancer

Outcome Measures

Primary Outcomes (1)

  • Percent Change (Between Baseline and Month 12) in Mammographic Density by the Boyd Method Compared Between Arms

    To evaluate change in mammographic density using the Boyd method after one year of vitamin D supplementation compared to placebo in premenopausal women. The percent change in breast density will be reported here.

    12 months

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Patients receive oral placebo once daily for 12 months.

Other: placebo

Vitamin D

EXPERIMENTAL

Patients receive oral vitamin D (2000 IU) once daily for 12 months.

Dietary Supplement: vitamin D

Interventions

vitamin DDIETARY_SUPPLEMENT

Given orally

Vitamin D
placeboOTHER

Given orally

Placebo

Eligibility Criteria

AgeUp to 55 Years
Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
1. Premenopausal women 55 years of age or younger with regular menstrual cycles (at least four cycles in the last six months). Women with fewer than 4 menses in the last 6 months or who have had a hysterectomy with ovaries intact will be considered premenopausal if FSH level \< 20. 2. Women with breast density ≥ 25% (scattered fibroglandular densities or greater) are eligible. 3. Prior Treatment 1. Patients who are currently receiving hormone replacement therapy (estrogen or progesterone); or are taking tamoxifen or raloxifene are not eligible. Women who have taken these medications must have stopped for at least 4 months prior to study entry. Topical estrogen (eg, transdermal patches and vaginal estrogens) is allowed. 2. Patients who are currently using hormonal contraception, should be taking it for at least 4 months prior to study entry. 4. Vitamin D Use 1. Patients who are taking regular vitamin D supplementation (above 400 IUs daily) and refuse or are unable to stop use are not eligible. Women who agree to stop will need to do so for at least 6 months prior to registration. 2. Patients may not start vitamin D supplementation after registration (regardless of results of vitamin D testing) but they may continue vitamin D if they are already taking 400 IUs daily or less and have been taking vitamin D for at least 6 months prior to baseline mammogram. 5. Patients with a history of breast cancer (including DCIS) or ovarian cancer are not eligible. 6. Patients with a history of breast implants or breast reduction are not eligible. 7. Patients with two or more bone fractures in the past five years are not eligible. 8. Patients with a diagnosis of osteoporosis with physician recommendation for treatment of low bone mass are not eligible. 9. Patients known to have hyperparathyroid disease or other serious disturbances of calcium metabolism requiring intervention in the past 5 years are not eligible. 10. Patients with a history of kidney stones (unless documented not to have been a calcium stone) are not eligible. 11. Patients participating in a concurrent breast cancer chemoprevention trial are not eligible. 12. Required initial laboratory values - Calcium \< 10.5 mg/dL

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Study Sites (103)

Regional Medical Center

Anniston, Alabama, 36207, United States

Location

Contra Costa Regional Medical Center

Martinez, California, 94553-3156, United States

Location

Camino Medical Group - Treatment Center

Mountain View, California, 94040, United States

Location

El Camino Hospital Cancer Center

Mountain View, California, 94040, United States

Location

Bay Area Breast Surgeons, Incorporated

Oakland, California, 94609, United States

Location

CCOP - Bay Area Tumor Institute

Oakland, California, 94609, United States

Location

Larry G Strieff MD Medical Corporation

Oakland, California, 94609, United States

Location

Tom K Lee, Incorporated

Oakland, California, 94609, United States

Location

Palo Alto Medical Foundation

Palo Alto, California, 94301, United States

Location

Unknown Facility

Pismo Beach, California, 93449, United States

Location

Doctors Medical Center - San Pablo Campus

San Pablo, California, 94806, United States

Location

Bendheim Cancer Center at Greenwich Hospital

Greenwich, Connecticut, 06830, United States

Location

Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital

Fort Lauderdale, Florida, 33308, United States

Location

Ella Milbank Foshay Cancer Center at Jupiter Medical Center

Jupiter, Florida, 33458, United States

Location

CCOP - Mount Sinai Medical Center

Miami Beach, Florida, 33140, United States

Location

Florida Hospital Cancer Institute at Florida Hospital Orlando

Orlando, Florida, 32803-1273, United States

Location

Illinois CancerCare - Bloomington

Bloomington, Illinois, 61701, United States

Location

St. Joseph Medical Center

Bloomington, Illinois, 61701, United States

Location

Illinois CancerCare - Canton

Canton, Illinois, 61520, United States

Location

University of Chicago Cancer Research Center

Chicago, Illinois, 60637-1470, United States

Location

Louis A. Weiss Memorial Hospital

Chicago, Illinois, 60640, United States

Location

Eureka Community Hospital

Eureka, Illinois, 61530, United States

Location

Illinois CancerCare - Eureka

Eureka, Illinois, 61530, United States

Location

Galesburg Clinic, PC

Galesburg, Illinois, 61401, United States

Location

Illinois CancerCare - Macomb

Macomb, Illinois, 61455, United States

Location

McDonough District Hospital

Macomb, Illinois, 61455, United States

Location

BroMenn Regional Medical Center

Normal, Illinois, 61761, United States

Location

Community Cancer Center

Normal, Illinois, 61761, United States

Location

Illinois CancerCare - Community Cancer Center

Normal, Illinois, 61761, United States

Location

Community Hospital of Ottawa

Ottawa, Illinois, 61350, United States

Location

Oncology Hematology Associates of Central Illinois, PC - Ottawa

Ottawa, Illinois, 61350, United States

Location

Cancer Treatment Center at Pekin Hospital

Pekin, Illinois, 61554, United States

Location

Illinois CancerCare - Pekin

Pekin, Illinois, 61603, United States

Location

Proctor Hospital

Peoria, Illinois, 61614, United States

Location

CCOP - Illinois Oncology Research Association

Peoria, Illinois, 61615, United States

Location

Oncology Hematology Associates of Central Illinois, PC - Peoria

Peoria, Illinois, 61615, United States

Location

Methodist Medical Center of Illinois

Peoria, Illinois, 61636, United States

Location

OSF St. Francis Medical Center

Peoria, Illinois, 61637, United States

Location

Illinois CancerCare - Peru

Peru, Illinois, 61354, United States

Location

Illinois Valley Community Hospital

Peru, Illinois, 61354, United States

Location

Illinois CancerCare - Spring Valley

Spring Valley, Illinois, 61362, United States

Location

Elkhart Clinic, LLC

Elkhart, Indiana, 46514-2098, United States

Location

Michiana Hematology-Oncology, PC - Elkhart

Elkhart, Indiana, 46514, United States

Location

Elkhart General Hospital

Elkhart, Indiana, 46515, United States

Location

Howard Community Hospital

Kokomo, Indiana, 46904, United States

Location

Center for Cancer Therapy at LaPorte Hospital and Health Services

La Porte, Indiana, 46350, United States

Location

Michiana Hematology-Oncology, PC - South Bend

Mishawaka, Indiana, 46545-1470, United States

Location

Saint Joseph Regional Medical Center

Mishawaka, Indiana, 46545-1470, United States

Location

Michiana Hematology Oncology PC - Plymouth

Plymouth, Indiana, 46563, United States

Location

CCOP - Northern Indiana CR Consortium

South Bend, Indiana, 46601, United States

Location

Memorial Hospital of South Bend

South Bend, Indiana, 46601, United States

Location

Michiana Hematology Oncology PC - La Porte

Westville, Indiana, 46391, United States

Location

National Naval Medical Center

Bethesda, Maryland, 20889-5600, United States

Location

Dana-Farber/Harvard Cancer Center at Dana-Farber Cancer Institute

Boston, Massachusetts, 02115, United States

Location

Lowell General Hospital

Lowell, Massachusetts, 01854, United States

Location

Newton-Wellesley Hospital

Newton, Massachusetts, 02462, United States

Location

Dana-Farber/Brigham and Women's Cancer Center at South Shore

South Weymouth, Massachusetts, 02190, United States

Location

Battle Creek Health System Cancer Care Center

Battle Creek, Michigan, 49017, United States

Location

Mecosta County Medical Center

Big Rapids, Michigan, 49307, United States

Location

Butterworth Hospital at Spectrum Health

Grand Rapids, Michigan, 49503, United States

Location

CCOP - Grand Rapids

Grand Rapids, Michigan, 49503, United States

Location

Lacks Cancer Center at Saint Mary's Health Care

Grand Rapids, Michigan, 49503, United States

Location

Mercy General Health Partners

Muskegon, Michigan, 49444, United States

Location

Lakeland Regional Cancer Care Center - St. Joseph

Saint Joseph, Michigan, 49085, United States

Location

Lakeside Cancer Specialists, PLLC

Saint Joseph, Michigan, 49085, United States

Location

Munson Medical Center

Traverse City, Michigan, 49684, United States

Location

Mayo Clinic Cancer Center

Rochester, Minnesota, 55905, United States

Location

Saint Luke's Hospital

Chesterfield, Missouri, 63017, United States

Location

Ellis Fischel Cancer Center at University of Missouri - Columbia

Columbia, Missouri, 65203, United States

Location

Methodist Estabrook Cancer Center

Omaha, Nebraska, 68114, United States

Location

New Hampshire Oncology - Hematology, PA at Payson Center for Cancer Care

Concord, New Hampshire, 03301, United States

Location

New Hampshire Oncology - Hematology, PA - Hooksett

Hooksett, New Hampshire, 03106, United States

Location

Lakes Region General Hospital

Laconia, New Hampshire, 03246, United States

Location

Norris Cotton Cancer Center at Dartmouth-Hitchcock Medical Center

Lebanon, New Hampshire, 03756-0002, United States

Location

Roswell Park Cancer Institute

Buffalo, New York, 14263-0001, United States

Location

CCOP - Hematology-Oncology Associates of Central New York

East Syracuse, New York, 13057, United States

Location

Elmhurst Hospital Center

Elmhurst, New York, 11373, United States

Location

Charles R. Wood Cancer Center at Glens Falls Hospital

Glens Falls, New York, 12801, United States

Location

Queens Cancer Center of Queens Hospital

Jamaica, New York, 11432, United States

Location

Mount Sinai Medical Center

New York, New York, 10029, United States

Location

SUNY Upstate Medical University Hospital

Syracuse, New York, 13210, United States

Location

Faxton Regional Cancer Center

Utica, New York, 13502, United States

Location

Presbyterian Cancer Center at Presbyterian Hospital

Charlotte, North Carolina, 28233-3549, United States

Location

Duke Cancer Institute

Durham, North Carolina, 27710, United States

Location

Wayne Memorial Hospital, Incorporated

Goldsboro, North Carolina, 27534, United States

Location

Rex Cancer Center at Rex Hospital

Raleigh, North Carolina, 27607, United States

Location

Rex Cancer Center of Wakefield

Raleigh, North Carolina, 27614, United States

Location

Zimmer Cancer Center at New Hanover Regional Medical Center

Wilmington, North Carolina, 28401, United States

Location

Forsyth Regional Cancer Center at Forsyth Medical Center

Winston-Salem, North Carolina, 27103, United States

Location

Arthur G. James Cancer Hospital and Richard J. Solove Research Institute at Ohio State University Comprehensive Cancer Center

Columbus, Ohio, 43210-1240, United States

Location

St. Rita's Medical Center

Lima, Ohio, 45801, United States

Location

Oklahoma University Cancer Institute

Oklahoma City, Oklahoma, 73104, United States

Location

Cancer Care Associates - Mercy Campus

Oklahoma City, Oklahoma, 73120, United States

Location

Cancer Centers of the Carolinas - Faris Road

Greenville, South Carolina, 29605, United States

Location

Greenville Hospital Cancer Center

Greenville, South Carolina, 29605, United States

Location

CCOP - Greenville

Greenville, South Carolina, 29615, United States

Location

Cancer Centers of the Carolinas - Seneca

Seneca, South Carolina, 29672, United States

Location

Cancer Centers of the Carolinas - Spartanburg

Spartanburg, South Carolina, 29307, United States

Location

Christine LaGuardia Phillips Cancer Center at Wellmont Holston Valley Medical Center

Kingsport, Tennessee, 37662, United States

Location

M. D. Anderson Cancer Center at University of Texas

Houston, Texas, 77030-4009, United States

Location

Doctor's Hospital of Laredo

Laredo, Texas, 78045, United States

Location

Mountainview Medical

Berlin Corners, Vermont, 05602, United States

Location

Fletcher Allen Health Care - University Health Center Campus

Burlington, Vermont, 05401, United States

Location

MeSH Terms

Conditions

Breast Neoplasms

Interventions

Vitamin D

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic Compounds

Results Point of Contact

Title
Marie E. Wood, M.D
Organization
University of Vermont

Study Officials

  • Marie E. Wood, MD

    University of Vermont

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
LTE60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 19, 2010

First Posted

October 20, 2010

Study Start

October 1, 2010

Primary Completion

December 1, 2014

Study Completion

December 1, 2014

Last Updated

October 8, 2024

Results First Posted

June 25, 2018

Record last verified: 2024-09

Data Sharing

IPD Sharing
Will share

Select individual patient-level data from this trial can be requested from the NCTN/NCORP Data Archive

More information

Available IPD Datasets

Individual Participant Data Set Access

Locations