the Effect of Vitamin D on the Serum Thioredoxin, TBP-2, Thioredoxin Reductase, Gene Expression of TBP-2 in Patients With Type II Diabetes
1 other identifier
interventional
30
1 country
2
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4 type-2-diabetes
Started Aug 2012
2 active sites
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
CompletedFirst Submitted
Initial submission to the registry
June 10, 2013
CompletedFirst Posted
Study publicly available on registry
June 12, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2014
CompletedJune 12, 2013
June 1, 2013
1.5 years
June 10, 2013
June 10, 2013
Conditions
Keywords
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 COMPARATORpatients with type 2 diabetes who receive 4000 IU/day vitamin D
placebo, diabetes
PLACEBO COMPARATORpatients with type 2 diabetes who receive one tab placebo
Interventions
Eligibility Criteria
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
Tehran University of Medical Sciences
Tehran, Iran
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
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