The Study of the Effects of Vitamin A on Immune System in Patients With Atherosclerosis

• Status: Unknown status
• Trial end date: 2013-03-01
• Target enrollment: 0
• Participant gender: All

Summary

The aim of this study is the comparison between the effects of supplementation with 25000 IU preformed vitamin A (retinyl palmitate) or placebo for 3 months on immune system and Th1/Th2 balance in patients with and without atherosclerosis (documented with angiography).

• Phase: Phase 4
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Tehran University of Medical Sciences
• Treatments: Retinol palmitate; Vitamin A; Vitamins

Criteria

Inclusion Criteria:

• The criteria for enrollment of the patients and control subjects is consecutive patients of both sexes referred to the Division of Cardiology of the one of the Hospitals of Tehran University of Medical Sciences for coronary angiography for investigation of chest pain and/or suspected CAD.

Exclusion Criteria:

• Patients who have diseases which affect on Th1/Th2 balance such as asthma, active viral infections, and autoimmune diseases, OR

• Patients who have allergy to vitamin A compounds, OR

• Patients who have used vitamin supplements in last 3 months.