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Diabetes Mellitus, Type 2NCT04682626

Effect of Weekly High-dose Vitamin D3 Supplementation on the Association Between Circulatory FGF-23 and A1c Levels

A study testing Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg. in people with Diabetes Mellitus, Type 2 and Kidney Diseases, run by Applied Science Private University at 1 site in Jordan.

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

Among Jordanians, there is a high prevalence of T2DM. VDD has also spread rapidly in the past decade. Preliminary results of recent studies have shown that VD3 has a potential role in reducing FBG. Read more about this study

Who is it for?
Ages 22 to 55 yearsHealthy volunteers can take part
Conditions the study is for
Diabetes Mellitus, Type 2, Kidney Diseases
What is being tested?
Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
150 participants
Where
1 siteJordan
Study dates
25 Dec 2020to 20 Mar 2021
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 22 to 55 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Inclusion criteria included males and females in the age range of 22-55 years with a medical diagnosis of vitamin D deficiency.

Who cannot join

  • subjects with any chronic disease such as kidney failure, CVD, diabetes, blood disorders, or immune problems, including autoimmune diseases, chronic or severe infections will be excluded.

Trial locations and contacts

1 site in 1 country.

Jordan1 site
  • Mahmoud S Abu-Samak

    Amman

Other trials in Jordan

About this study

Official title: Effect of Weekly High-dose Vitamin D3 Supplementation on the Association Between Circulatory FGF-23 and A1c Levels in People With Vitamin D Deficiency

Among Jordanians, there is a high prevalence of T2DM. VDD has also spread rapidly in the past decade. Preliminary results of recent studies have shown that VD3 has a potential role in reducing FBG. Notably, the impact of VD3 supplementation on glycemic control in diabetics, as well as pre-diabetics, remains highly controversial. Some studies have shown that osteocalcin (OSC) is correlated with fat mass, sensitivity to and secretion of insulin, glucose metabolism, and glycemic variability. In mice, OSC injections improved insulin sensitivity and prevent obesity. A more recent study has found that T2DM was inversely correlated with osteocalcin levels . There is a strong correlation between OSC and fibroblastic factor -23 (FBF-23). Many recent studies have correlated FBF-23 as well as vitamin D levels with some of the pathological conditions such as chronic kidney failure, atherosclerosis, and diabetes. They stated possible interrelationships between insulin resistance, Hyperinsulinemia, and/or lower VD3 levels may lead to decreased serum FGF-23 concentrations in obese children and adolescents. Therefore, serum FGF-23 has been suggested to be a potential indicator of subclinical atherosclerosis in patients with gestational diabetes mellitus.

Read the detailed description

Among Jordanians, there is a high prevalence of T2DM. VDD has also spread rapidly in the past decade. Preliminary results of recent studies have shown that VD3 has a potential role in reducing FBG. Notably, the impact of VD3 supplementation on glycemic control in diabetics, as well as pre-diabetics, remains highly controversial. Some studies have shown that osteocalcin (OSC) is correlated with fat mass, sensitivity to and secretion of insulin, glucose metabolism, and glycemic variability. In mice, OSC injections improved insulin sensitivity and prevent obesity. A more recent study has found that T2DM was inversely correlated with osteocalcin levels . There is a strong correlation between OSC and fibroblastic factor -23 (FBF-23). Many recent studies have correlated FBF-23 as well as vitamin D levels with some of the pathological conditions such as chronic kidney failure, atherosclerosis, and diabetes. They stated possible interrelationships between insulin resistance, Hyperinsulinemia, and/or lower VD3 levels may lead to decreased serum FGF-23 concentrations in obese children and adolescents. Therefore, serum FGF-23 has been suggested to be a potential indicator of subclinical atherosclerosis in patients with gestational diabetes mellitus. Based on these data, we expect that a high dose of vitamin D will significantly influence the association between A1c with FGF-23 levels in people with vitamin D deficiency.

Being tested
Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.
Medical subject headings
Diabetes Mellitus, Type 2, Kidney Diseases

What participants receive

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

  • Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.Dietary supplement

    Soft gelatin capsules each contain 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.

Study groups in NCT04682626
Study groupRoleWhat they receive
VD3 groupExperimentalDietary Supplement: Soft gelatin capsules each contain 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg once weekly for 8 weeks. .
Receives: Dietary Supplement: Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.
Control groupNo interventionnone has been administered

What is being measured

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

  1. FGF-23

    plasma levels

    Measured: 10 weeks

  2. A1c

    plasma percentage

    Measured: 10 weeks

Secondary outcomes (2)
  1. Osteocalcin

    plasma levels

    Measured: 10 weeks

  2. 25OHD

    serum

    Measured: 10 weeks

Timeline

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

  1. First posted24 Dec 2020
  2. Study start25 Dec 2020
  3. Primary completion5 Mar 2021
  4. Study completion20 Mar 2021

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
Parallel Assignment
Masking
Single blind
Who is masked
Participant
Enrolment
150 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04682626
Sponsor's protocol ID
2020-PHA-23
Status last verified
Feb 2022
First submitted
19 Dec 2020
Last updated
9 Mar 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Abu-Samak MS, AbuRuz ME, Masa'Deh R, Khuzai R, Jarrah S. Correlation of selected stress associated factors with vitamin D deficiency in Jordanian men and women. Int J Gen Med. 2019 Jun 28;12:225-233. doi: 10.2147/IJGM.S198175. eCollection 2019.

    PubMed 31303782
  • Al-Shaer AH, Abu-Samak MS, Hasoun LZ, Mohammad BA, Basheti IA. Assessing the effect of omega-3 fatty acid combined with vitamin D3 versus vitamin D3 alone on estradiol levels: a randomized, placebo-controlled trial in females with vitamin D deficiency. Clin Pharmacol. 2019 Feb 4;11:25-37. doi: 10.2147/CPAA.S182927. eCollection 2019.

    PubMed 30787641
  • Abu-Hasheesh MO, Abu-Samak MS, Al-Matubsi HY, Jaradeh MS, Jarrah SS, Khuzaie RF. Association of parental history of type 2 diabetes mellitus with leptin levels in Jordanian male youths. Saudi Med J. 2010 Aug;31(8):882-6.

    PubMed 20714685
  • Abu-Taha M, Dagash R, Mohammad BA, Basheiti I, Abu-Samak MS. Combined Effect Of Coffee Consumption And Cigarette Smoking On Serum Levels Of Vitamin B12, Folic Acid, And Lipid Profile In Young Male: A Cross-Sectional Study. Int J Gen Med. 2019 Nov 22;12:421-432. doi: 10.2147/IJGM.S213737. eCollection 2019.

    PubMed 31819593

Questions about this trial

What is this clinical trial studying?

A study testing Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg. in people with Diabetes Mellitus, Type 2 and Kidney Diseases, run by Applied Science Private University at 1 site in Jordan.

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 9 Mar 2022. 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 Jordan. 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?

FGF-23 (time frame: 10 weeks). 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 NCT04682626, which also lists 4 linked publications.

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 9 Mar 2022.

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