NCT01229891

Brief Summary

The aim of this study is to evaluate the possible effects of daily intake of yogurt drink fortified with vitamin D alone or with vitamin D + calcium on some selected glycemic, metabolic, inflammatory and oxidative stress markers in patients with type 2 diabetes (T2DM).

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
90

participants targeted

Target at P50-P75 for phase_2 type-2-diabetes

Timeline
Completed

Started Oct 2009

Shorter than P25 for phase_2 type-2-diabetes

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2009

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2010

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2010

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

October 27, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 28, 2010

Completed
1.2 years until next milestone

Results Posted

Study results publicly available

January 16, 2012

Completed
Last Updated

January 16, 2012

Status Verified

December 1, 2011

Enrollment Period

5 months

First QC Date

October 27, 2010

Results QC Date

November 6, 2011

Last Update Submit

December 10, 2011

Conditions

Keywords

vitamin D fortificationyogurt drinktype 2 diabetesefficacy

Outcome Measures

Primary Outcomes (1)

  • Serum 25-hydroxyvitamin D

    12-week

Secondary Outcomes (7)

  • Fasting Serum Glucose (FSG)

    12-week

  • Insulin

    12-week

  • Hemoglobin A1c (HbA1c)

    12-week

  • Serum Triglyceride (TG)

    12-week

  • Serum Total Cholesterol (Tchol)

    12-week

  • +2 more secondary outcomes

Study Arms (3)

Plain yogurt drink

PLACEBO COMPARATOR

daily intake of two bottle (250 mL) plain yogurt drink

Dietary Supplement: plain yogurt drink

vitamin D-fortified yogurt drink

EXPERIMENTAL

daily intake of two bottle yogurt drink fortified with 500 IU vitamin D/250 mL

Dietary Supplement: vitamin D fortified yogurt drink

vitamin D-calcium yogurt drink

EXPERIMENTAL

daily intake of two bottle of yogurt drink fortified with 500 IU vitamin D and 250 mg calcium/250 mL

Dietary Supplement: vitamin D-calcium yogurt drink

Interventions

plain yogurt drinkDIETARY_SUPPLEMENT

daily intake of two bottle of plain yogurt drink

Also known as: PY
Plain yogurt drink

daily intake of two bottle of yogurt drink fortified with 500 IU vitamin D/250 mL

Also known as: DY
vitamin D-fortified yogurt drink

daily intake of two bottle of yogurt drink fortified with 500 IU vitamin D and 250 mg calcium/250 ml package

Also known as: DCY
vitamin D-calcium yogurt drink

Eligibility Criteria

Age30 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • to 50 years,
  • Fasting blood glucose ≥ 126 mg/dl

You may not qualify if:

  • Receiving vitamin D or calcium or omega-3 supplements within the last three months,
  • On any medication which could potentially influence vitamin D metabolism (notably estrogens, and calcitonin) within the last three months,
  • Any other concomitant disease such as renal, hepatic, and other endocrinological disorders, and malignancies, which could influence vitamin D metabolism.
  • Receiving insulin or any change in the type and/or dose of the current hypoglycemic medications

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (4)

  • Nikooyeh B, Shariatzadeh N, Rismanchi M, Hollis BW, Neyestani TR. Daily intake of yogurt drink fortified either with vitamin D alone or in combination with added calcium causes a thyroid-independent increase of resting metabolic rate in adults with type 2 diabetes: a randomized, double-blind, clinical trial. Appl Physiol Nutr Metab. 2021 Nov;46(11):1363-1369. doi: 10.1139/apnm-2021-0248. Epub 2021 Jun 2.

  • Heravifard S, Neyestani TR, Nikooyeh B, Alavi-Majd H, Houshiarrad A, Kalayi A, Shariatzadeh N, Zahedirad M, Tayebinejad N, Salekzamani S, Khalaji N, Gharavi A. Regular consumption of both vitamin D- and calcium- and vitamin D-fortified yogurt drink is equally accompanied by lowered blood lipoprotein (a) and elevated apoprotein A1 in subjects with type 2 diabetes: a randomized clinical trial. J Am Coll Nutr. 2013;32(1):26-30. doi: 10.1080/07315724.2013.767659.

  • Neyestani TR, Nikooyeh B, Alavi-Majd H, Shariatzadeh N, Kalayi A, Tayebinejad N, Heravifard S, Salekzamani S, Zahedirad M. Improvement of vitamin D status via daily intake of fortified yogurt drink either with or without extra calcium ameliorates systemic inflammatory biomarkers, including adipokines, in the subjects with type 2 diabetes. J Clin Endocrinol Metab. 2012 Jun;97(6):2005-11. doi: 10.1210/jc.2011-3465. Epub 2012 Mar 22.

  • Nikooyeh B, Neyestani TR, Farvid M, Alavi-Majd H, Houshiarrad A, Kalayi A, Shariatzadeh N, Gharavi A, Heravifard S, Tayebinejad N, Salekzamani S, Zahedirad M. Daily consumption of vitamin D- or vitamin D + calcium-fortified yogurt drink improved glycemic control in patients with type 2 diabetes: a randomized clinical trial. Am J Clin Nutr. 2011 Apr;93(4):764-71. doi: 10.3945/ajcn.110.007336. Epub 2011 Feb 2.

MeSH Terms

Conditions

Diabetes Mellitus, Type 2

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Results Point of Contact

Title
T Neyestani
Organization
National nutrition and food technology institute

Study Officials

  • Tirang R. Neyestani, PhD

    National Nutrition and Food Technology Research Institute

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
associate professor

Study Record Dates

First Submitted

October 27, 2010

First Posted

October 28, 2010

Study Start

October 1, 2009

Primary Completion

March 1, 2010

Study Completion

September 1, 2010

Last Updated

January 16, 2012

Results First Posted

January 16, 2012

Record last verified: 2011-12