CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 2,423 enrolled
Drug / intervention
Vitamin D (Cholecalciferol) +1 moredietary
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT01942694
NCT01942694N/ACompleted
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Vitamin D and Type 2 Diabetes Study

Tufts Medical Center·interventional·Posted Sep 16, 2013·Updated Aug 16, 2022

In Brief

A clinical study evaluating Vitamin D (Cholecalciferol) and Placebo for Prediabetes and Type 2 Diabetes. Completed, enrolled 2,423 participants across 25 sites.

Detailed 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.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsPrediabetes, Type 2 Diabetes
CountriesUnited States
CollaboratorsNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Office of Dietary Supplements (ODS), American Diabetes Association

Timeline

N/ACompletedFinished
2014201520162017201820192020202120222023202420252026
First PostedSep 16, 2013
Enrollment StartOct 1, 2013
Primary CompletionNov 1, 2018
TodayJul 2, 2026
Enrollment to primary: 5.1 yearsPosted 12.8 years ago

Interventions

Vitamin D (Cholecalciferol)dietary

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

Placeboother

Administered as one soft-gel pill daily by mouth