The purpose of this study is to evaluate the safety and efficacy of YJP-14 capsules for the treatment of endothelial dysfunction in patients with diabetes mellitus.
The primary purpose of this study is to demonstrate superior effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on endothelial dysfunction in diabetes mellitus indicated as mean change difference of flow-mediated dilation (FMD), compared to placebo group after treatment of 12 weeks. The secondary purposes of this study are divided into three as follows; * Clinically significant effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on endothelial dysfunction in diabetes mellitus indicated as mean change difference of FMD, compared to placebo group after treatment of 8 weeks. * Clinically significant effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on insulin resistance in diabetes mellitus indicated as mean change difference of Homeostasis Model Assessment-Insulin Resistance (HOMA-IR), compared to placebo group after treatment of 4, 8 and 12 weeks. * Clinically significant effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on mean change difference of blood pressure in diabetes mellitus, compared to placebo group after treatment of 4, 8 and 12 weeks. The exploratory purposes of this study are divided into two as follows; * Clinically significant effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on blood glucose level in diabetes mellitus indicated as mean change difference of HbA1c, compared to placebo group after treatment of 12 weeks. * Clinically significant effect of YJP-14 three doses, 25, 50 and 100 mg t.i.d on vascular stiffness in diabetes mellitus indicated as mean change difference of blood lipids (LDL, HDL and TG), compared to placebo group after treatment of 12 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
136
An 50% ethanolic extract of Lindera obtusiloba stems
Internal medicine, Seoul National University Hospital
Seoul, Seoul, South Korea
Flow-mediated dilation (FMD)
Time frame: 12 weeks
Flow-mediated dilation (FMD) Homeostasis Model Assessment-Insulin Resistance (HOMA-IR) Systolic and Diastolic Blood Pressure
Time frame: 8 weeks
Homeostasis model assessment-insulin resistance (HOMA-IR)
Time frame: 4, 8, 12 weeks
Systolic and Diastolic Blood Pressure
Time frame: 4, 8, 12 weeks
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