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Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

NCT01052051 · Status: COMPLETED · Phase: PHASE2/PHASE3 · Type: INTERVENTIONAL · Enrollment: 2303

Last updated 2019-07-24

No results posted yet for this study

Summary

To determine the effect of increasing serum 25(OH)D from prevailing levels with vitamin D3 supplementation, while maintaining adequate calcium intake, on incidence of all-type cancer in a population sample of healthy postmenopausal women.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D3

Vitamin D3 2000 IU/daily

DIETARY_SUPPLEMENT

Calcium carbonate

Calcium carbonate 1500mg / daily

Sponsors & Collaborators

  • National Institutes of Health (NIH)

    collaborator NIH

  • National Cancer Institute (NCI)

    collaborator NIH

  • Creighton University

    lead OTHER

Principal Investigators

  • Joan M Lappe, PhD · Creighton University

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
55 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2009-06-30
Primary Completion
2015-08-31
Completion
2015-08-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01052051 on ClinicalTrials.gov