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Clinical Trial Summary

Phytosterols are plant sterols . Phytosterols have anti-inflammation effect. Investigators have a hypothesis: phytosterols reduce oxidative stress , enhance Insulin-like growth factor-1(IGF-1) and endothelial progenitor cells(EPCs). Therefore, phytosterols has novel role in cardiovascular protection.


Clinical Trial Description

Fatty liver is the hepatic feature of metabolic syndrome. Metabolic syndrome increase the risk of atherosclerosis and cardiovascular disease. Adipose tissue secrete adipocytes accumulate in the liver result in fatty liver. Excess fat become low density lipoprotein-cholesterol(LDL-C) from liver. Oxidized- LDL-C adherence in the vessel result in atherosclerosis via inflammation and immune response.

Phytosterols are present in the nuts, plant oil, broccoli and so on. The structure of phytosterols are similar with cholesterols. After the competition, the smaller absorption of cholesterols. Studies showed the average consumptions of phytosterols were 200mg daily but the enough amount for cardiovascular protection of phytosterols were 2000mg daily.

Daily 2000mg phytosterols inhibit the absorption of intestine, reduce the LDL-C about 7-10%. Besides, phytosterols have the effect of anti-inflammation and anti-immune response. The anti-inflammation effect obvious inhibit the monocyte to transform to macrophage, inhibit the formation of foam cell.

Clinical studies divided into two groups: 20/20 patients and 4 weeks follow up with cross-over test.First group A: Phytosterols 1800mg/day for 4 weeks ,washout 2 weeks, then placebo 4 weeks. Another group B: placebo 4 weeks, washout 2 weeks, then phytosterols 4 weeks.Cross-over, double blind study was designed.

Investigators check the possible benefits of LDL-C, Total -cholesterol,anti-oxidant capacity,C reactive protein,insulin-like growth factor-1, endothelial progenitor cells ; the possible side effect including liver function,muscle enzyme . ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01875978
Study type Interventional
Source China Medical University Hospital
Contact
Status Completed
Phase N/A
Start date October 2012
Completion date July 2013

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