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Completed Phase 3 Interventional Results available

Vitamin D and Breast Cancer Biomarkers in Female Patients

ClinicalTrials.gov ID: NCT01224678

Public ClinicalTrials.gov record NCT01224678. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 14, 2026, 7:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Vitamin D and Breast Cancer Biomarkers

Study identification

NCT ID
NCT01224678
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Enrollment
300 participants

Conditions and interventions

Conditions

Interventions

  • placebo Other
  • vitamin D Dietary Supplement

Other · Dietary Supplement

Eligibility (public fields only)

Age range
Up to 55 Years
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2010
Primary completion
Nov 30, 2014
Completion
Nov 30, 2014
Last update posted
Oct 7, 2024

2010 – 2014

United States locations

U.S. sites
103
U.S. states
21
U.S. cities
75
Facility City State ZIP Site status
Regional Medical Center Anniston Alabama 36207
Contra Costa Regional Medical Center Martinez California 94553-3156
Camino Medical Group - Treatment Center Mountain View California 94040
El Camino Hospital Cancer Center Mountain View California 94040
Bay Area Breast Surgeons, Incorporated Oakland California 94609
CCOP - Bay Area Tumor Institute Oakland California 94609
Larry G Strieff MD Medical Corporation Oakland California 94609
Tom K Lee, Incorporated Oakland California 94609
Palo Alto Medical Foundation Palo Alto California 94301
Not listed Pismo Beach California 93449
Doctors Medical Center - San Pablo Campus San Pablo California 94806
Bendheim Cancer Center at Greenwich Hospital Greenwich Connecticut 06830
Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital Fort Lauderdale Florida 33308
Ella Milbank Foshay Cancer Center at Jupiter Medical Center Jupiter Florida 33458
CCOP - Mount Sinai Medical Center Miami Beach Florida 33140
Florida Hospital Cancer Institute at Florida Hospital Orlando Orlando Florida 32803-1273
Illinois CancerCare - Bloomington Bloomington Illinois 61701
St. Joseph Medical Center Bloomington Illinois 61701
Illinois CancerCare - Canton Canton Illinois 61520
University of Chicago Cancer Research Center Chicago Illinois 60637-1470
Louis A. Weiss Memorial Hospital Chicago Illinois 60640
Eureka Community Hospital Eureka Illinois 61530
Illinois CancerCare - Eureka Eureka Illinois 61530
Galesburg Clinic, PC Galesburg Illinois 61401
Illinois CancerCare - Macomb Macomb Illinois 61455
McDonough District Hospital Macomb Illinois 61455
BroMenn Regional Medical Center Normal Illinois 61761
Community Cancer Center Normal Illinois 61761
Illinois CancerCare - Community Cancer Center Normal Illinois 61761
Community Hospital of Ottawa Ottawa Illinois 61350
Oncology Hematology Associates of Central Illinois, PC - Ottawa Ottawa Illinois 61350
Cancer Treatment Center at Pekin Hospital Pekin Illinois 61554
Illinois CancerCare - Pekin Pekin Illinois 61603
Proctor Hospital Peoria Illinois 61614
CCOP - Illinois Oncology Research Association Peoria Illinois 61615
Oncology Hematology Associates of Central Illinois, PC - Peoria Peoria Illinois 61615
Methodist Medical Center of Illinois Peoria Illinois 61636
OSF St. Francis Medical Center Peoria Illinois 61637
Illinois CancerCare - Peru Peru Illinois 61354
Illinois Valley Community Hospital Peru Illinois 61354
Illinois CancerCare - Spring Valley Spring Valley Illinois 61362
Elkhart Clinic, LLC Elkhart Indiana 46514-2098
Michiana Hematology-Oncology, PC - Elkhart Elkhart Indiana 46514
Elkhart General Hospital Elkhart Indiana 46515
Howard Community Hospital Kokomo Indiana 46904
Center for Cancer Therapy at LaPorte Hospital and Health Services La Porte Indiana 46350
Michiana Hematology-Oncology, PC - South Bend Mishawaka Indiana 46545-1470
Saint Joseph Regional Medical Center Mishawaka Indiana 46545-1470
Michiana Hematology Oncology PC - Plymouth Plymouth Indiana 46563
CCOP - Northern Indiana CR Consortium South Bend Indiana 46601
Memorial Hospital of South Bend South Bend Indiana 46601
Michiana Hematology Oncology PC - La Porte Westville Indiana 46391
National Naval Medical Center Bethesda Maryland 20889-5600
Dana-Farber/Harvard Cancer Center at Dana-Farber Cancer Institute Boston Massachusetts 02115
Lowell General Hospital Lowell Massachusetts 01854
Newton-Wellesley Hospital Newton Massachusetts 02462
Dana-Farber/Brigham and Women's Cancer Center at South Shore South Weymouth Massachusetts 02190
Battle Creek Health System Cancer Care Center Battle Creek Michigan 49017
Mecosta County Medical Center Big Rapids Michigan 49307
Butterworth Hospital at Spectrum Health Grand Rapids Michigan 49503
CCOP - Grand Rapids Grand Rapids Michigan 49503
Lacks Cancer Center at Saint Mary's Health Care Grand Rapids Michigan 49503
Mercy General Health Partners Muskegon Michigan 49444
Lakeland Regional Cancer Care Center - St. Joseph Saint Joseph Michigan 49085
Lakeside Cancer Specialists, PLLC Saint Joseph Michigan 49085
Munson Medical Center Traverse City Michigan 49684
Mayo Clinic Cancer Center Rochester Minnesota 55905
Saint Luke's Hospital Chesterfield Missouri 63017
Ellis Fischel Cancer Center at University of Missouri - Columbia Columbia Missouri 65203
Methodist Estabrook Cancer Center Omaha Nebraska 68114
New Hampshire Oncology - Hematology, PA at Payson Center for Cancer Care Concord New Hampshire 03301
New Hampshire Oncology - Hematology, PA - Hooksett Hooksett New Hampshire 03106
Lakes Region General Hospital Laconia New Hampshire 03246
Norris Cotton Cancer Center at Dartmouth-Hitchcock Medical Center Lebanon New Hampshire 03756-0002
Roswell Park Cancer Institute Buffalo New York 14263-0001
CCOP - Hematology-Oncology Associates of Central New York East Syracuse New York 13057
Elmhurst Hospital Center Elmhurst New York 11373
Charles R. Wood Cancer Center at Glens Falls Hospital Glens Falls New York 12801
Queens Cancer Center of Queens Hospital Jamaica New York 11432
Mount Sinai Medical Center New York New York 10029
SUNY Upstate Medical University Hospital Syracuse New York 13210
Faxton Regional Cancer Center Utica New York 13502
Presbyterian Cancer Center at Presbyterian Hospital Charlotte North Carolina 28233-3549
Duke Cancer Institute Durham North Carolina 27710
Wayne Memorial Hospital, Incorporated Goldsboro North Carolina 27534
Rex Cancer Center at Rex Hospital Raleigh North Carolina 27607
Rex Cancer Center of Wakefield Raleigh North Carolina 27614
Zimmer Cancer Center at New Hanover Regional Medical Center Wilmington North Carolina 28401
Forsyth Regional Cancer Center at Forsyth Medical Center Winston-Salem North Carolina 27103
Arthur G. James Cancer Hospital and Richard J. Solove Research Institute at Ohio State University Comprehensive Cancer Center Columbus Ohio 43210-1240
St. Rita's Medical Center Lima Ohio 45801
Oklahoma University Cancer Institute Oklahoma City Oklahoma 73104
Cancer Care Associates - Mercy Campus Oklahoma City Oklahoma 73120
Cancer Centers of the Carolinas - Faris Road Greenville South Carolina 29605
Greenville Hospital Cancer Center Greenville South Carolina 29605
CCOP - Greenville Greenville South Carolina 29615
Cancer Centers of the Carolinas - Seneca Seneca South Carolina 29672
Cancer Centers of the Carolinas - Spartanburg Spartanburg South Carolina 29307
Christine LaGuardia Phillips Cancer Center at Wellmont Holston Valley Medical Center Kingsport Tennessee 37662
M. D. Anderson Cancer Center at University of Texas Houston Texas 77030-4009
Doctor's Hospital of Laredo Laredo Texas 78045
Mountainview Medical Berlin Corners Vermont 05602
Fletcher Allen Health Care - University Health Center Campus Burlington Vermont 05401

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01224678, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 7, 2024 · Synced May 14, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01224678 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →