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Clinical Trial Summary

Lycium barbarum, a traditional Chinese herbal medicine, is a commonly used herb in the traditional Chinese pharmacopoeia . Its main active ingredient, lycium barbarum polysaccharide (LBP), is reported to have neuroprotective effects. Animal studies suggested that LBP has neuroprotective effect on optic ganglion cells. In animal models of depression, LBP can improve depressive symptom by improving synaptic plasticity. However, its clinical effect remains to be studied. We will conduct a 6-week double-blind, randomized, placebo-con-trolled trial in people with subthreshold depression.The purpose of this clinical trial is to investigate the efficacy of LBP in people with subthreshold depression.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04032795
Study type Interventional
Source Guangzhou Psychiatric Hospital
Contact Kangguang Lin, MD
Phone 8613560360144
Email linkangguang@163.com
Status Recruiting
Phase N/A
Start date May 15, 2019
Completion date December 30, 2021

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