NCT01319734

Brief Summary

Null hypothesis: No significant effect of vitamin C 500 mg Supplementation on the severity of micro-vascular complications of type 2 Diabetes Mellitus (DM). Alternative hypothesis: There is a significant effect of vitamin C 500mg supplementation on the severity of the micro-vascular complications of type 2DM.

Trial Health

55
Monitor

Trial Health Score

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

Enrollment
50

participants targeted

Target at P50-P75 for phase_1 type-2-diabetes-mellitus

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2011

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

March 21, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

March 22, 2011

Completed
4.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2015

Completed
Last Updated

September 18, 2013

Status Verified

September 1, 2013

Enrollment Period

4.8 years

First QC Date

March 21, 2011

Last Update Submit

September 17, 2013

Conditions

Keywords

Vitamin COxidative stressType 2DM

Outcome Measures

Primary Outcomes (1)

  • improving the renal function

    vitamin c supplementation act as an antioxidants which reduce the oxidative stress and then can improve the renal function.

    the renal function will be measure at day 1 and after one month

Secondary Outcomes (1)

  • Vitamin C can improve the visual fields

    the visual field will be assesed at day 1 and after one month

Study Arms (2)

Vitamin C supplementation plus oral hypoglycemic agents arm

EXPERIMENTAL

This group will receive vitamin C supplementation 500mg daily for one month and then assessment will done for the patients.

Dietary Supplement: Vitamin C

Type 2DM patients receiving oral hypoglycemic agents alone

ACTIVE COMPARATOR

this group is the control group who receive oral hypoglycemic agents alone

Drug: glyburide

Interventions

Vitamin CDIETARY_SUPPLEMENT

Vitamin C supplementation 500mg

Vitamin C supplementation plus oral hypoglycemic agents arm

this group receiving glyburide 5 mg alone

Type 2DM patients receiving oral hypoglycemic agents alone

Eligibility Criteria

Age20 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • clinical diagnosis of type 2DM
  • patients in good health
  • receiving oral hypoglycemic drugs

You may not qualify if:

  • Insulin dependent diabetes
  • receiving vitamin complex
  • smoking
  • renal disease
  • liver disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jaber abo aliz

Khartoum, Khartoum State, 1111, Sudan

RECRUITING

MeSH Terms

Conditions

Diabetes Mellitus, Type 2

Interventions

Ascorbic AcidGlyburide

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

Sugar AcidsAcids, AcyclicCarboxylic AcidsOrganic ChemicalsHydroxy AcidsCarbohydratesSulfonylurea CompoundsUreaAmidesSulfonesSulfur Compounds

Study Officials

  • Hamdan Z Hamdan, MBBS, MSc

    Al-Neelain University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Hamdan Z Hamdan, MBBS, Msc

CONTACT

Maha I Mohammed, MBBS, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Al-Neelain University, Faculty of Medicine, Department of Biochemistry and Molecular biology, Khartoum, Sudan

Study Record Dates

First Submitted

March 21, 2011

First Posted

March 22, 2011

Study Start

February 1, 2011

Primary Completion

December 1, 2015

Last Updated

September 18, 2013

Record last verified: 2013-09

Locations