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Deficiency, Vitamin DVITDAB_08606NCT00968734

Vitamin D Status After Single Oral Dose of Cholecalciferol in Low Fat Meal Compared to High-fat Meal

A study testing colecalciferol in people with Deficiency, Vitamin D, run by Federal University of Rio Grande do Sul at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

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. Read more about this study

Who is it for?
Ages 20 to 40 years
Conditions the study is for
Deficiency, Vitamin D
What is being tested?
colecalciferol
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteBrazil
Study dates
Aug 2009to Oct 2009
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 40 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Residents of the hospital clinics of Porto Alegre

Who cannot join

  • Don't drink milk
  • Obesity
  • Malnutrition
  • Liver disease
  • Kidney disease or diabetes
  • Use of dietary supplements containing calcium and vitamin D
Show all 10Show fewer
  • 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.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • Hospital de Clínicas de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90035-903

Other trials in Brazil

About this study

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.

Read the detailed description

Clinical randomized controlled double-blind study with healthy subjects to investigate the effect of low and high fat of meal on absorption of vitamin D supplement. Participants were randomly in two groups according to sex and BMI.

In the same date, each group of participants received a meal and dietary supplement of vitamin D3 (cholecalciferol) after the first blood sample and a urine sample. Others samples were collected in the seventh and fourteenth day after intake the supplement.

Being tested
colecalciferol
Keywords
Vitamin D, colecalciferol, absorption by Vitamin D
Medical subject headings
Vitamin D Deficiency

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • colecalciferolDietary supplement

    50.000UI single oral dose

Study groups in NCT00968734
Study groupRoleWhat they receive
Low fat mealExperimentalNot described
Receives: Dietary Supplement: colecalciferol
Hight fat mealExperimentalNot described
Receives: Dietary Supplement: colecalciferol

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Serum Level of Vitamin D3

    Measured: 14 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Aug 2009 (estimated)
  2. Study startAug 2009
  3. Primary completionOct 2009
  4. Study completionOct 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00968734
Sponsor's protocol ID
FIPE, CAPES
Other IDs
GPPG_080606
Acronym
VITDAB_08606
Status last verified
Aug 2009
First submitted
28 Aug 2009
Last updated
5 Mar 2010
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A study testing colecalciferol in people with Deficiency, Vitamin D, run by Federal University of Rio Grande do Sul at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 5 Mar 2010. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Serum Level of Vitamin D3 (time frame: 14 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 5 Mar 2010.

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