NCT01876563

Brief Summary

The aim of this study is the comparision between the effects of vitamin D or placebo supplementation for 2 months in serum level of thioredoxin, TBP-2 and thioredoxin reductase activity in patients with type 2 diabetes

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for phase_4 type-2-diabetes

Timeline
Completed

Started Aug 2012

Geographic Reach
1 country

2 active sites

Status
unknown

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

August 1, 2012

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

June 10, 2013

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 12, 2013

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2014

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2014

Completed
Last Updated

June 12, 2013

Status Verified

June 1, 2013

Enrollment Period

1.5 years

First QC Date

June 10, 2013

Last Update Submit

June 10, 2013

Conditions

Keywords

thioredoxinTBP-2thioredoxin reductasevitamin DDIABETES

Outcome Measures

Primary Outcomes (12)

  • serum total cholesterol

    change from baseline at 2 months

  • serum HDL cholesterol

    change from baseline at 2 months

  • serum triglycerides level

    change from baseline at 2 months

  • fasting plasma glucose

    change from baseline at 2 months

  • serum LDL cholesterol

    change from baseline at 2 months

  • complete blood count (CBC)

    change from baseline at 2 months

  • HbA1c

    change from baseline at 2 months

  • serum insulin

    change from baseline at 2 months

  • serum calcidiol

    change from baseline at 2 months

  • thioredoxin

    change from baseline at 2 months

  • thioredoxin binding protein 2 (TBP-2)

    change from baseline at 2 months

  • erytrocyte thioredoxin reductase

    change from baseline at 2 months

Secondary Outcomes (1)

  • GENE EXPRESSION OF TBP-2

    change from baseline at 2 months

Study Arms (2)

diabetes, vitamin D

ACTIVE COMPARATOR

patients with type 2 diabetes who receive 4000 IU/day vitamin D

Dietary Supplement: vitamin D

placebo, diabetes

PLACEBO COMPARATOR

patients with type 2 diabetes who receive one tab placebo

Dietary Supplement: placebo

Interventions

vitamin DDIETARY_SUPPLEMENT

one tab 4000 IU/day vitamin D

diabetes, vitamin D
placeboDIETARY_SUPPLEMENT

one tab per day placebo

placebo, diabetes

Eligibility Criteria

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

You may qualify if:

  • literate, willingness to participation, diabetic patients 30- 60 years old, body mass index in the range 18.5- 35, avoidance of dietary supplements, vitamins and herbal products at least 3 months before and throughout the intervention -

You may not qualify if:

  • people who have used vitamin D supplements in last 3 months, having chronic renal disease , GI disease, Hepatobilliary diseases, hematological disorders, hypo- or hyperthyroidism, treatment with orlistat or sibutramine for weight loss, pregnancy and lactation, treatment with insulin or Thiazolidinediones, Smokers

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Tehran University of Medical Sciences

Tehran, Tehran Province, Iran

Location

Tehran University of Medical Sciences

Tehran, Iran

Location

MeSH Terms

Conditions

Diabetes Mellitus, Type 2Diabetes Mellitus

Interventions

Vitamin D

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 10, 2013

First Posted

June 12, 2013

Study Start

August 1, 2012

Primary Completion

February 1, 2014

Study Completion

July 1, 2014

Last Updated

June 12, 2013

Record last verified: 2013-06

Locations