AzTrials
AzTrials

Deficiency, Vitamin DNCT03478475

Vitamin D Supplementation and and Glycemic Indexes

A study testing cholecalciferol (Euro-Pharm International, Canada) in people with Deficiency, Vitamin D and Insulin Resistance, run by Université d'Auvergne.

Completed

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

Official record
Search all trials

Trial summary

Age affect insulin sensitivity and the metabolism, and vitamin D status was shown to have a correlation with markers of insulin resistance. That's why, we aimed in our trial to study the effect of vitamin D supplementation on glycemic markers and index of insulin resistance. Read more about this study

Who is it for?
Ages 65 years and olderHealthy volunteers can take part
Conditions the study is for
Deficiency, Vitamin D, Insulin Resistance
What is being tested?
cholecalciferol (Euro-Pharm International, Canada)
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
115 participants
Where
No sites listed yet
Study dates
2 Jul 2015to 19 Sep 2015
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 65 years and older
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Who may be able to join

  • -Deficiency in vitamin D and having no medical history of type 2 diabetes mellitus

Who cannot join

  • patients with a history of type-2-diabetes, congestive heart failure, liver failure, renal failure, cancer, or taking oral hypoglycemic drugs or statin therapy, or patients having metabolic bone disease.

About this study

Official title: Effect of Vitamin D Treatment on Glucose Homeostasis and Metabolism in Lebanese Older Adults: a Randomized Controlled Trial

Age affect insulin sensitivity and the metabolism, and vitamin D status was shown to have a correlation with markers of insulin resistance. That's why, we aimed in our trial to study the effect of vitamin D supplementation on glycemic markers and index of insulin resistance.

Read the detailed description

A low serum 25-hydroxyvitamin D [(25(OH) D)] concentration was shown to correlate with higher fasting blood glucose (FBG) and insulin levels. Since age affect insulin sensitivity and the metabolism, we aimed in this randomized controlled trial to investigate the effect of vitamin D supplementation on glucose homeostasis and index of insulin resistance in elderly subjects living in Beirut, Lebanon.

Participants (n= 115) deficient in vitamin D were randomly divided into two groups, a group receiving 30,000 IU cholecalciferol/week for a period of 6 months, and a placebo group. The index of insulin resistance HOMA (homeostasis model assessment) was the primary outcome. Glucose homeostasis and metabolic markers were also measured at start of treatment and at 6 months.

Being tested
cholecalciferol (Euro-Pharm International, Canada), Placebo
Keywords
Vitamin D, HOMA-IR, Glucose, HbA1C, insulin resistance
Medical subject headings
Vitamin D Deficiency, Insulin Resistance

What participants receive

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

  • cholecalciferol (Euro-Pharm International, Canada)Dietary supplement

  • PlaceboOther

    Placebo pill (microcrystalline cellulose 66.3%, starch 33.2%, magnesium stearate 0.5%)

Study groups in NCT03478475
Study groupRoleWhat they receive
Vitamin D groupExperimentalThe vitamin D group received three times per week a supplement of 10,000 IU cholecalciferol (Euro-Pharm International, Canada)
Receives: Dietary Supplement: cholecalciferol (Euro-Pharm International, Canada)
Placebo groupPlacebo comparatorThe placebo group received three times per week a tablet containing microcrystalline cellulose (66.3%), starch (33.2%), and magnesium stearate (0.5%), per serving.
Receives: Other: Placebo

What is being measured

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

  1. HOMA-IR

    The HOMA-IR formula was as following: HOMA-IR = [insulin (mU/L) × glucose (mg/dL)]/22.5 where IR is the mutual of percentage sensitivity with a normal value of 1.0.

    Measured: 6 months

  2. 25 (OH)D

    Vitamin D

    Measured: 6 months

Secondary outcomes (7)
  1. BMI

    Body mass Index

    Measured: 6 months

  2. FBG

    Fasting blood glucose

    Measured: 6 months

  3. FBI

    Fasting Blood inslin

    Measured: 6 months

  4. HbA1C

    Glycated hemoglobin

    Measured: 6 months

  5. Total cholesterol

    Total cholesterol

    Measured: 6 months

  6. LDL cholesterol

    LDL cholesterol

    Measured: 6 months

  7. HDL cholesterol

    HDL cholesterol

    Measured: 6 months

Timeline

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

  1. First posted27 Mar 2018
  2. Study start2 Jul 2015
  3. Primary completion19 Sep 2015
  4. Study completion19 Sep 2015

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
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
This was a randomized, controlled, double blind study. Participants were randomized into 2 groups; the vitamin D group received three times per week a supplement of 10,000 IU cholecalciferol (Euro-Pharm International, Canada) and the placebo group who also received three times per week a tablet containing microcrystalline cellulose (66.3%), starch (33.2%), and magnesium stearate (0.5%), per serving. The treatment was led for a period of 6 months.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
115 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03478475
Sponsor's protocol ID
SSCC012
Status last verified
Mar 2018
First submitted
13 Mar 2018
Last updated
29 Mar 2018
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • El Hajj C, Chardigny JM, Boirie Y, Yammine K, Helou M, Walrand S. Effect of Vitamin D Treatment on Glucose Homeostasis and Metabolism in Lebanese Older Adults: A Randomized Controlled Trial. J Nutr Health Aging. 2018;22(9):1128-1132. doi: 10.1007/s12603-018-1083-8.

    PubMed 30379314

Questions about this trial

What is this clinical trial studying?

A study testing cholecalciferol (Euro-Pharm International, Canada) in people with Deficiency, Vitamin D and Insulin Resistance, run by Université d'Auvergne.

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 1 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 29 Mar 2018. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. 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?

HOMA-IR (time frame: 6 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03478475, which also lists 1 linked publication.

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 29 Mar 2018.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in