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Overweight and ObesityNCT05995522

Effect of Vitamin K2 Over Osteocalcin, Leptin, Cytokines, and Cardiovascular Risk in Young Adults With Overweight and Obesity

A study testing Vitamin K2 and Cornstarch in people with Overweight and Obesity and Cardiometabolic Risk Factors, run by University of Guadalajara at 1 site in Mexico.

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 goal of this clinical trial is to compare de effect of vitamin K2 in young adults with overweight or obesity. The main questions to answer are: What is the effect of Vitamin K2 supplementation on methylation, serum concentration of ucOC, cOC, Gas6, leptin, inflammatory markers, cardiometabolic risk factors, and… Read more about this study

Who is it for?
Ages 18 to 35 years
What is being tested?
Vitamin K2 and Cornstarch
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
51 participants
Where
1 siteMexico
Study dates
1 Sep 2023to 31 Dec 2023
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 18 to 35 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Body Mass Index greater than 25 kg/m2 and less than 40 kg/m2
  • That they agree to participate in the study voluntarily and informed and sign the informed consent

Who cannot join

  • People with self-reported diagnosis of chronic kidney, gastrointestinal or systemic disease
  • Use of bile acid sequestrants drugs, insulin, glucocorticoids, contraceptives, bisphosphonates, thiazides, levetiracetam, thiazolidinediones, anticoagulants or estrogenic drugs and vitamin D, vitamin K, vitamin A, vitamin E, omegas or calcium supplements
  • Patients who are on a hypocaloric or low-fat diet
  • Self-reported pregnancy

Trial locations and contacts

1 site in 1 country.

Mexico1 site
  • University of Guadalajara

    Guadalajara, Jalisco, 44340

Other trials in Mexico

About this study

Official title: Effect of Vitamin K2 Supplementation and Its Association With Osteocalcin Serum Levels, Leptin, Th1/Th2 Cytokine Profile, and Cardiovascular Risk in Young Mexican Adults With Overweight and Obesity

The goal of this clinical trial is to compare de effect of vitamin K2 in young adults with overweight or obesity. The main questions to answer are:

What is the effect of Vitamin K2 supplementation on methylation, serum concentration of ucOC, cOC, Gas6, leptin, inflammatory markers, cardiometabolic risk factors, and cardiovascular risk in overweight or obese young adults? Participants will be assigned to one of two intervention groups where they will consume Vitamin K2 100 µg per day or cornstarch 500 mg per day for 90 days.

If there is a comparison group: Investigators will compare the supplementation group (Vitamin K2) with the placebo group (cornstarch) to see if vitamin K2 supplementation modifies methylation, increases serum vitamin K, osteocalcin, growth arrest-specific 6 protein serum concentration, decreases serum leptin concentration, inflammatory markers and reduces cardiometabolic risk factors and cardiovascular risk.

Read the detailed description

Study Overview To meet the objectives of the project, two groups will be compared, one that will be supplemented with vitamin K and another of patients who will receive corn starch as a placebo. Patients are going to have a follow up during 3 months with periodic evaluations every 30 days.

This is a double-blind study, it is achieved by maintaining similarities in appearance, taste and smell between the treatments that will be delivered in the same vials, with same number of pills and identical in shape, color and consistency for each study group.

Patient recruitment will take place by disseminating information through physical and social media, once potential participants have been identified, they will be contacted and informed about the project, and if they decide to participate in the study, they will be asked to sign the informed consent.

Simple randomization will be performed using R software to assign participants to one of the study groups. A clinical history, anthropometric measurements and blood sampling shall be applied.

Nutritional recommendations based on the position of the Academy of Nutrition and Dietetics for the treatment of overweight and obesity and the healthy eating plate of Harvard University will be given. An appointment is to be scheduled every 30 days in order to provide the supplementation and follow-up. At the end, the pertinent statistical analyzes will be carried out.

Notification of adverse effects will be made in each of the sessions, in addition to this the participants will have the contact of the researchers to notify any anomaly.

Sample's size calculation

The sample size was calculated using the statistical formula for the comparison of two means. This estimate was made using the following formula:

n=2(Zα+Z[1-β]2xSD2/d2

Where:

n= sample size required in each group SD= standard deviation of the effect Zα: to the value of Z for a confidence level of 95% Z[1-β}: to the value of Z for a statistical power of 80% D= effect size A total of 19.72 patients per group were obtained. Considering a 20% loss, 24 patients are needed per study group.

Ethical considerations The study was approved by the Biosafety committee, research ethics committee and research committee of the University Center for Health Sciences, University of Guadalajara: CI-00421. The committees of the University have the authority to monitor and audit the study at any of its stages once it has been approved.

Objetives General objective Evaluate the effect of vitamin K2 supplementation on methylation, the serum concentration of total vitamin K, osteocalcin, growth arrest-specific 6 protein, leptin, inflammatory markers, cardiometabolic risk factors and cardiovascular risk in young Mexican adults with overweight or obesity.

Specific objectives

  1. Compare the baseline variables between groups.
  2. Compare the variable changes across the time within groups
  3. Compare the variable changes across the time between groups

Statistical analysis The Shapiro-Wilk normality test is performed to determine whether the analysis will require parametric or non-parametric tests. Qualitative variables will be expressed as frequencies and percentages, while quantitative variables will be expressed as mean and standard deviation in parametric data or medians and ranges in non-parametric data.

Specific objective 1 Statistical technique T-student for independent samples if it has a normal distribution or by U-Mann Whitney for independent samples if it does not have a normal distribution

Specific objective 2 Variables with two measures Statistical technique T-student for paired samples if it has a normal distribution or the Wilcoxon signed-rank test if it does not have a normal distribution

Variables with more than two measures Statistical technique Repeated measures ANOVA if it has a normal distribution or the Friedman Test if it does not have a normal distribution

Specific objective 3 Statistical technique The effect size of the groups is compared with T-student for independent samples if it has a normal distribution or by U-Mann Whitney for independent samples if it does not have a normal distribution

Being tested
Vitamin K2, Cornstarch
Keywords
Vitamin K, Overweight and Obesity, Cardiometabolic Risk Factors
Medical subject headings
Overweight, Obesity

What participants receive

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

  • Vitamin K2Dietary supplement

    Also called Nutricost Menaquinone-4 100 µg

    100 µg per day for 90 days

  • CornstarchOther

    500 mg per day for 90 days

Study groups in NCT05995522
Study groupRoleWhat they receive
Supplementation armExperimentalVitamin K2
Receives: Dietary Supplement: Vitamin K2
Placebo armPlacebo comparatorCornstarch
Receives: Other: Cornstarch

What is being measured

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

  1. Osteocalcin serum concentration

    ng/dL

    Measured: Baseline and after 90 days of intervention

  2. Vitamin K serum concentration

    ng/dL

    Measured: Baseline and after 90 days of intervention

  3. Leptin serum concentration

    ng/dL

    Measured: Baseline and after 90 days of intervention

  4. Tumour Necrosis Factor alpha serum concentration

    pg/mL

    Measured: Baseline and after 90 days of intervention

  5. Interleukin-1 Beta serum concentration

    pg/mL

    Measured: Baseline and after 90 days of intervention

  6. Interleukin-6 serum concentration

    pg/mL

    Measured: Baseline and after 90 days of intervention

  7. Interleukin-4 serum concentration

    pg/mL

    Measured: Baseline and after 90 days of intervention

  8. Interleukin-10 serum concentration

    pg/mL

    Measured: Baseline and after 90 days of intervention

  9. Cardiovascular risk

    percentage

    Measured: Baseline, after 30, 60 and 90 days of intervention

  10. LEP gene methylation

    Methylated or unmethylated

    Measured: Baseline and after 90 days of intervention

Secondary outcomes (23)
  1. Growth arrest-specific 6 protein serum concentration

    ng/ml

    Measured: Baseline and after 90 days of intervention

  2. Global methylation

    percentage

    Measured: Baseline and after 90 days of intervention

  3. Atherogenic indices

    Value

    Measured: Baseline and after 90 days of intervention

  4. Triglycerides serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  5. Total cholesterol serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  6. HDL cholesterol serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  7. LDL cholesterol serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  8. VLDL cholesterol serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  9. Glucose serum concentration

    mg/dL

    Measured: Baseline and after 90 days of intervention

  10. Blood pressure

    mmHg

    Measured: Baseline, after 30, 60 and 90 days of intervention

  11. Insulin serum concentration

    µIU/ml

    Measured: Baseline and after 90 days of intervention

  12. Weight

    kg

    Measured: Baseline, after 30, 60 and 90 days of intervention

  13. Body mass index

    kg/m2

    Measured: Baseline, after 30, 60 and 90 days of intervention

  14. Waist circumference

    cm

    Measured: Baseline, after 30, 60 and 90 days of intervention

  15. Hip circumference

    cm

    Measured: Baseline, after 30, 60 and 90 days of intervention

  16. Fat mass

    kg

    Measured: Baseline, after 30, 60 and 90 days of intervention

  17. % fat

    percentage

    Measured: Baseline, after 30, 60 and 90 days of intervention

  18. Lean mass

    kg

    Measured: Baseline, after 30, 60 and 90 days of intervention

  19. Estimated energy consumption

    kcal/day

    Measured: Baseline, after 30, 60 and 90 days of intervention

  20. Estimated protein consumption

    grams/day

    Measured: Baseline, after 30, 60 and 90 days of intervention

  21. Estimated carbohydrates consumption

    grams/day

    Measured: Baseline, after 30, 60 and 90 days of intervention

  22. Estimated fat consumption

    grams/day

    Measured: Baseline, after 30, 60 and 90 days of intervention

  23. Estimated vitamin K consumption

    μg/day

    Measured: Baseline, after 30, 60 and 90 days of intervention

Timeline

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

  1. First posted16 Aug 2023
  2. Study start1 Sep 2023
  3. Primary completion30 Nov 2023
  4. Study completion31 Dec 2023

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
Clinical trial parallel design. Two groups with intervention, one with supplementation and other with placebo
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
51 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05995522
Sponsor's protocol ID
CI-00421
Status last verified
May 2024
First submitted
8 Aug 2023
Last updated
8 May 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Aguayo-Ruiz JI, Garcia-Cobian TA, Pascoe-Gonzalez S, Sanchez-Enriquez S, Llamas-Covarrubias IM, Garcia-Iglesias T, Lopez-Quintero A, Llamas-Covarrubias MA, Trujillo-Quiroz J, Rivera-Leon EA. Effect of supplementation with vitamins D3 and K2 on undercarboxylated osteocalcin and insulin serum levels in patients with type 2 diabetes mellitus: a randomized, double-blind, clinical trial. Diabetol Metab Syndr. 2020 Aug 18;12:73. doi: 10.1186/s13098-020-00580-w. eCollection 2020.

    PubMed 32831908

Questions about this trial

What is this clinical trial studying?

A study testing Vitamin K2 and Cornstarch in people with Overweight and Obesity and Cardiometabolic Risk Factors, run by University of Guadalajara at 1 site in Mexico.

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 2 inclusion and 4 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 8 May 2024. 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 Mexico. 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. 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?

Osteocalcin serum concentration (time frame: Baseline and after 90 days of intervention). The study lists 10 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 NCT05995522, 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 8 May 2024.

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