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Vitamin D and Type 2 Diabetes Study

NCT01942694 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 2423

Last updated 2022-08-16

Study results available
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Summary

The goal of the Vitamin D and type 2 diabetes (D2d) study is to determine if vitamin D supplementation works to delay the onset of type 2 diabetes in people at risk for the disease and to gain a better understand how vitamin D affects glucose (sugar) metabolism.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D (Cholecalciferol)

Vitamin D (Cholecalciferol) 4000 IU, administered as 1 soft-gel pill daily by mouth.

OTHER

Placebo

Administered as one soft-gel pill daily by mouth

Sponsors & Collaborators

  • National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

    collaborator NIH

  • Office of Dietary Supplements (ODS)

    collaborator NIH

  • American Diabetes Association

    collaborator OTHER

  • Tufts Medical Center

    lead OTHER

Principal Investigators

  • Anastassios Pittas, MD, MS · Tufts Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
30 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2013-10-31
Primary Completion
2018-11-30
Completion
2018-11-30

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

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 NCT01942694 on ClinicalTrials.gov