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The effects of omega-3 plus vitamin E, vitamin C plus zinc supplementation on serum lipids and lipoprotein profiles, inflammatory and oxidative stress biomarkers, and endothelial function in postmenopausal women with type 2 diabetes

The effects of omega-3 plus vitamin E, vitamin C plus zinc supplementation on serum lipids and lipoprotein profiles, inflammatory and oxidative stress biomarkers, and endothelial function in postmenopausal women with type 2 diabetes

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT138804312214N1
Enrollment
75
Registered
2009-09-01
Start date
2008-03-19
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

Diabetes mellitus. Non-insulin dependent diabetes mellitus

Interventions

Intervention 1: 1.8 g Omega-3 plus 400 mg vitamin E. Intervention 2: 300 mg Vitamin C plus 5 mg zinc. Intervention 3: Placebo capsule containing 500 mg canola oil.
Treatment - Drugs
1.8 g Omega-3 plus 400 mg vitamin E
300 mg Vitamin C plus 5 mg zinc
Placebo capsule containing 500 mg canola oil

Sponsors

National Nutrition and Food Technology Research Institute
Lead Sponsor
Vice chancellor for Research of Kerman University of Medical Sciences.
Collaborator
Minami Nutrition Co.
Collaborator
PouraTeb Medical & Pharmaceutical Company
Collaborator
HakimanTeb Pharmaceutical Company
Collaborator

Eligibility

Sex/Gender
Female
Age
50 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion Criteria: willingness to participate in the study and sign the informed consent, postmenopausal women with age of 50 to 65 years, presence of type 2 diabetes at least for one year (according to the American Diabetes Association criteria), non-insulin therapy, receiving either diet therapy or diet therapy with combination of oral anti-diabetic medications, no history of myocardial infarction, stroke, cardiovascular disease, active cancer, liver, kidney and thyroid dysfunction, or infectious diseases, Exclusion criteria: changing in dose of medications such as oral anti-diabetic, anti-lipidemic and anti-hypertensive drugs, occurrence of myocardial infarction, stroke, active cancer, liver, kidney, thyroid dysfunction, or infectious diseases, changing in drug regimen or insulin therapy, smoking, consumption of anti-oxidant vitamin supplements and fish oil capsules, non-steroidal anti inflammatory drugs, corticosteroids, anti-platelets or anti-coagulation drugs three months prior to study, hormone replacement therapy.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Fasting insulin serum. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Fasting blood glucose. Timepoint: Baseline and after 12 weeks. Method of measurement: Glucose oxidase, Enzymatic colorimetric.;HbA1C (Glycosilated hemoglobin). Timepoint: Baseline and after 12 weeks. Method of measurement: Ion exchange method.;Insulin resistance. Timepoint: Baseline and after 12 weeks. Method of measurement: HOMA-IR calculation.;Serum triglyceride. Timepoint: Baseline and after 12 weeks. Method of measurement: Glycerol phosphate oxidase, Enzymatic colorimetric.;Total cholestrol. Timepoint: Baseline and after 12 weeks. Method of measurement: Enzymatic photometric.;HDL-cholestrol. Timepoint: Baseline and after 12 weeks. Method of measurement: Enzymatic photometric.;LDL-cholestrol. Timepoint: Baseline and after 12 weeks. Method of measurement: Friedewald formula.;Apo lipoprotein B100. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;HsC-Reactive Protein. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Tumor Necrosis Factor-a. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Interleukin-6. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Fibrinogen. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Tissue-plasminogen activator (t-PA). Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Plasminogen activator inhibitor-1 (PAI-1). Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Ox-LDL. Timepoint: Baseline and after 12 weeks. Method of measurement: ELISA assay.;Malonedialdehyde (MDA). Timepoint: Baseline and after 12 weeks. Method of measurement: TBARS, Chemical colorimetric.;Total antioxidant capacity (TAC). Timepoint: Baseline and after 12 weeks. Method of measurement: Colorimetric.;SOD. Timepoint: Baseline and after 12 weeks. Method of measurement: Kit Jaica.;GPX. Timepoint

Secondary

MeasureTime frame
Medical events with special focus on cardiovascular. Timepoint: Baseline and every week until the end of intervention. Method of measurement: She was asked for any medical and activity conditions by investigator week to week or any time the patients want to call first executor and research doctor (councellor).;Clinical and emotional improvement. Timepoint: Baseline and every week until the end of intervention. Method of measurement: She was asked for any medical and activity conditions by investigator week to week or any time the patients want to call first executor and research doctor (councellor).

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohammad Reza Mahmoodi

Department of Nutrition, School of Health

mr_mahmoodi@kmu.ac.ir , mahmoodimr@yahoo.com+98 34 1320 5056

Outcome results

None listed

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