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Vitamin D receptor polymorphism , vitamin D-fortified Yogurt drink, Type 2 Diabetes

The role of vitamin D receptor (VDR) single nucleotide polymorphisms (SNPs ) in efficacy of vitamin D-fortified yogurt drink on metabolic-, inflammatory – and oxidative stress indicators in type 2 diabetic patients

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT138810223006N2
Enrollment
120
Registered
2010-04-27
Start date
2009-12-11
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 Diabetes. Non-insulin-dependent diabetes mellitus

Interventions

Intervention 1: Intervention Group: Yogurt drink Fortified with 500 IU Cholecalciferol per 250 ml in AA genotype subgroup. Intervention 2: Intervention Group: Yogurt drink fortified with 500 IU cholec
Treatment - Other
Placebo
Intervention Group: Yogurt drink Fortified with 500 IU Cholecalciferol per 250 ml in AA genotype subgroup
Intervention Group: Yogurt drink fortified with 500 IU cholecalciferol per 250 ml in aa genotype subgroup
Intervention Group: Yogurt drink fortified with 500 IU cholecalciferol per 250 ml in Aa genotype subgroup
Control Group: Plain yogurt drink

Sponsors

National Nutrition & Food Technology Research Institute, Shaheed Beheshti University of Medical Scie
Lead Sponsor
School of Public Health, Tehran University of Medical Sciences
Collaborator

Eligibility

Sex/Gender
All
Age
30 Years to 60 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: 1. Fasting blood glucose = 126, 2. BMI between 25 to 35 kg/m2, 3. Age: 30-60 years old, 4. Willingness to maintain current body weight for the duration of the study, 5. Willingness to maintain baseline lifestyle activities and routines for the duration of the study, 6. Willingness to avoid the use of all over-the-counter or prescription vitamins, dietary supplements, and herbal products during the study. Exclusion criteria: 1. History of cardiovascular disease, Gastrointestinal disease, Renal disease, Kidney stone, Hyperparathyroidism, 2. Receiving vitamin D or omega-3 supplement within the last three months, 3. Pregnancy , or lactation within the study period, 4. Receiving insulin or any drug for weight reduction, reducing serum cholesterol, 5. Any change in type /or dose of the current hypoglycemic medications,

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Improvment in Serum Vitamin D Status. Timepoint: 3 Months. Method of measurement: Serum 25(OH)D Level.

Secondary

MeasureTime frame
Glycemic biomarkers. Timepoint: baseline and 3 month after intervention. Method of measurement: serum fasting glucose ,Insulin, HbA1C and Quiccki index.;Anthropometric indicators. Timepoint: Baseline and 3 month after intervention. Method of measurement: Weight, Height, BMI,Hip Circumferences ? Waist Circumferences, WHR.;Albumin, total protein, BUN, AST, ALT, lipid profiles and uric acid. Timepoint: Baseline and 3 months after intervention. Method of measurement: Serum Albumin, Total protein, BUN, AST, ALT, Lipid profiles and Acid uric.;Urinary albumin, calcium, magnesium,phosphorous and micro-albumin. Timepoint: baseline and 3 month after intervention. Method of measurement: Urinary concentrations of micro-albumin, calcium, magnesium and phosphorous.;Blood pressure. Timepoint: baseline and 3 month after intervention. Method of measurement: systolic and diastolic blood pressure.;Oxidative stress biomarkers. Timepoint: baseline and 3 month after intervention. Method of measurement: serum superoxide dismutase,glutathion, glutathion peroxidase, MDA, TAC.;Inflammatory biomarkers. Timepoint: Baseline and 3 month after intervention. Method of measurement: Serum CRP,IL-6 and Il-4 , TNF-a and IFN-? concentrations in cell culture medium.;Bone biomarkers. Timepoint: baseline and 3 month after intervention. Method of measurement: serum magnesium,Phosphor, calcium, PTH,Osteocalcin.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSakineh Shab-Bidar

Public Health School,Tehran University of Medical Sciences

s.shabbidar@yahoo.com ; s_shabbidar@razi.tums.ac.ir+98 21 6640 2095

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026