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Chin J Integr Med. 2015 Aug;21(8):587-93. doi: 10.1007/s11655-012-1219-3. Epub 2013 Feb 28.

Efficacy and safety of herbal medicine yun-cai tea in the treatment of hyperlipidemia: A double-blind placebo-controlled clinical trial.

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1
Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, China.

Abstract

OBJECTIVE:

Animal studies have demonstrated a lipid-modulating effect of yun-cai tea. However, little is known about the lipid-lowering effect in humans.The aim of this study was to evaluate the lipid lowering effects and safety of yun-cai tea in patients with elevated lipid levels in a human clinical trial.

METHODS:

This was a 12-week, randomly assigned, parallel-group, double-blind, and placebo-controlled pilot clinical study. Sixty primary hyperlipidemia patients were included and randomly assigned to the yun-cai tea group (30 patients) and the placebo group (30 patients), for 8 weeks of treatment and 4 weeks of follow-up. The primary endpoint was changes in plasma low-density lipoprotein-cholesterol (LDL-C) at 8 weeks. The secondary endpoints included total cholesterol (TC) and triglycerides (TG).

RESULTS:

Our results revealed no statistically signifificant differences in LDL-C and TC between the two groups. Despite the lack of a statistically signifificant difference in the level of TG between the two groups, a declining trend was noted. A signifificant reduction of TG was observed in the yun-cai tea group at week 8, compared to baseline (P=0.048). The incidence of stomach discomfort, gastroesophageal reflfl ux, diarrhea, and constipation was slightly higher in the yun-cai tea group. No other signifificant adverse events were found.

CONCLUSION:

It is unlikely that yun-cai tea used had a blood lipid reduction effect. Further larger scale clinical trials with a longer duration and larger dose are necessary.

PMID:
23456731
DOI:
10.1007/s11655-012-1219-3
[Indexed for MEDLINE]
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