| Outcome Measures: |
Primary: Changes from baseline MAGE(Mean amplitude of glycemic excursion) at week 12, MAGE will be calculated from MBG which has been measured by CGMS(Continuous Glucose Monitoring System) during CGM period(visit 2\~visit 3, visit 5\~visit 6), baseline (visit 2~visit3) and week 12 (visit 5~visit 6) | Secondary: Changes from baseline MBG(Mean Blood Glucose) at week 12, MBG is a mean blood glucose measured by CGMS(Continuous Glucose Monitoring System) during CGM period(visit 2\~visit 3, visit 5\~visit 6), baseline (visit 2~visit3) and week 12 (visit 5~visit 6)|Changes from baseline SD(Standard Deviation) at week 12, SD is a standard deviation of MBG measured by CGMS(Continuous Glucose Monitoring System) during CGM period(visit 2\~visit 3, visit 5\~visit 6), baseline (visit 2~visit3) and week 12 (visit 5~visit 6)|Changes from baseline CV(Coefficient of variance) at week 12, CV is a coefficient of variance which is MBG divided by SD measured by MBG during CGM period(visit 2\~visit 3, visit 5\~visit 6), baseline (visit 2~visit3) and week 12 (visit 5~visit 6)|Changes from baseline hsCRP at week 12, baseline (visit 2) and week 12 (visit 5)|Changes from baseline Nitrotyrosine at week 12, baseline (visit 2) and week 12 (visit 5) | Other: Changes of HbA1c at each visit, values of parameters at the corresponding visit - values of parameters at visit 2(baseline), baseline(visit 2), week 5(visit 4), week 13(visit 5)|Changes of Fasting plasma glucose at each visit, values of parameters at the corresponding visit - values of parameters at visit 2(baseline), baseline(visit 2), week 5(visit 4), week 13(visit 5)|Changes of Fasting serum insulin at each visit, values of parameters at the corresponding visit - values of parameters at visit 2(baseline), baseline(visit 2), week 5(visit 4), week 13(visit 5)|Changes of Glycated albumine at each visit, values of parameters at the corresponding visit - values of parameters at visit 2(baseline), baseline(visit 2), week 5(visit 4), week 13(visit 5)|Changes of baseline HOMA-β at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline HOMA-IR at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline LDL-C at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline HDL-C at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline Total Cholesterol at week 13, baseline(visit 2), week 13(visit 5)|Changes of baselineTriglyceride at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline BMI at week 13, baseline(visit 2), week 13(visit 5)|Changes of baseline Body weight at week 13, baseline(visit 2), week 13(visit 5)
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