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A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

NCT01508845 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 61

Last updated 2014-07-21

No results posted yet for this study

Summary

This study will examine whether the amount and type of fat, mono-unsaturated fat (MUFA) vs. poly-unsaturated fat (PUFA), in a meal affects the absorption of vitamin D, which is taken after that meal. The study hypothesis is that vitamin D3 absorption will be greater when fat is present vs. absent in the meal. A secondary hypothesis is that vitamin D3 absorption will be greater in the presence of a meal with a high MUFA/PUFA compared with a low MUFA/PUFA ratio.

Conditions

  • Vitamin D Deficiency

Interventions

DIETARY_SUPPLEMENT

cholecalciferol

800 IU vitamin D3, 1 dose; 800 IU deuterated vitamin D3, 1 dose

DIETARY_SUPPLEMENT

cholecalciferol

50,000 IU vitamin D3, 1 dose; 800 IU deuterated vitamin D3, 1 dose

DIETARY_SUPPLEMENT

cholecalciferol

50,000 IU vitamin D3, 1 dose; 800 IU vitamin D3, 1 dose

DIETARY_SUPPLEMENT

cholecalciferol

50,000 IU vitamin D3, 1 dose; 800 IU deuterated vitamin D3, 1 dose

Sponsors & Collaborators

  • Pfizer

    collaborator INDUSTRY

  • Tufts University

    lead OTHER

Principal Investigators

  • Bess Dawson-Hughes, M.D. · Tufts Medical Center

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
50 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2012-01-31
Primary Completion
2013-06-30
Completion
2013-06-30

Countries

  • United States

Study Locations

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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 NCT01508845 on ClinicalTrials.gov