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OpenTrials
Completed

NCT Number: NCT01519986

The Effect of Fat on Vitamin D Absorption

The purpose of this study is to evaluate the absorption of dietary supplement of vitamin D3 (cholecalciferol), through the variation of 25 (OH) D levels, as the fat content of the meal associated with the administration of the supplement.

Completed

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Key information

Conditions

Vitamin D Deficiency Avitaminosis Deficiency Diseases Malnutrition Nutrition Disorders Nutritional and Metabolic Diseases

Age range

18 year–40 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Residents of the hospital clinics of Porto Alegre

Exclusion criteria

  • Don't drink milk
  • Obesity
  • Malnutrition
  • Liver disease
  • Kidney disease or diabetes
  • Use of dietary supplements containing calcium and vitamin D
  • Medications
  • Anticonvulsants
  • Barbiturates, or steroids.
  • Having performed a journey the last four months to locations near the Earth's equatorial plane, due to sun exposure that may have occurred during this period, or vacations planned during the study period.

Treatment and study plan

Vitamin D3

Dietary Supplement

Supplement of vitamin D3

Placebo

Dietary Supplement

Placebo

Primary outcomes

  1. Change from baseline in serum 25(OH)D at 14 day after intervention

    Time frame: Change from baseline in serum 25(OH)D at 14 days

    25(OH)D response to supplemental vitamin D3

Secondary outcomes

  1. Change from baseline in Parathyroid hormone at 14 days after intervention

    Time frame: Change from baseline in Parathyroid hormone at 14 days

    Parathyroid hormone response to supplemental vitamin D3

Sponsors and collaborators

Lead sponsor

Federal University of Rio Grande do Sul

Other

Collaborators

  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
  • Hospital de Clinicas de Porto Alegre

Registry information

Official study title

The Effect of Fat on Vitamin D Absorption After a Single Oral Dose

Acronym: VITD_100484

Important dates

Study start
2011
Primary completion
2011
Study completion
2011
First posted
Jan 27, 2012
Registry last updated
Jan 27, 2012

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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