Research Article

A Phase II, Randomized, Double-Blind, Double-Dummy, Active-Controlled Clinical Trial to Investigate the Efficacy and Safety of NW Low-Glu® in Patients Newly Diagnosed with Type 2 Diabetes Mellitus

Table 2

Efficacy variables among treatment arms.

Metformin Arm 1 (N=64)Low-dose NW Low-Glu® Arm 2 (N = 65)High-doseLow-Glu®Arm 3 (N = 69)
BaselineWeek 12BaselineWeek 12BaselineWeek 12
HbA1c (%)
 Count645165546952
 Mean (SD)8.7 (1.9)7.7 (1.6)8.5 (1.4)7.8 (1.6)8.8 (1.9)8.1 (1.8)
 Mean change (SD)−0.9 (1.9)−0.6 (1.4)−0.8 (1.7)
-value (Wilcoxon signed rank test)0.0020.0040.002

Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA test comparing the three arms revealed;
Fasting plasma glucose (FPG) (mg/dL)
 Count646265606963
 Mean (SD)162.9 (62.6)154.5 (68.5)158.4 (72.7)144.8 (53.6)169.5 (71.7)159.2 (50.4)
 Mean change (SD)−9.5 (59.1)−13.4 (66.0)−10.5 (65.2)
 P value (Wilcoxon signed rank test)0.20.10.2

Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney test comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA test comparing the three arms revealed
2hr post prandial glucose (2hr PPG) (mg/dL)
 Count606063586762
 Mean (SD)237.8 (88.7)200.6 (88.5)243.7 (104.3)198.5 (77.5)246.2 (88.8)221.7 (84.8)
 Mean change (SD)−38.2 (101.6)−35.4 (74.9)−24.7 (100.8)
P value (Wilcoxon signed rank test)0.010.0010.04

Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA test comparing the three arms revealed
HOMA-IR
 Count585259556752
 Mean (SD)2.4 (1.5)2.6 (1.7)2.3 (1.3)2.1 (1.3)2.7 (1.8)2.7 (1.8)
 Mean change (SD)−0.001 (1.3)−0.3 (1.3)−0.01± 1.4
-value (Wilcoxon signed rank test)0.90.10.6

Mann–Whitney test comparing active Control and Arm 2 revealed ; Mann–Whitney test comparing active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA test comparing the three arms revealed
HOMA-β
 Count585158536752
 Mean (SD)74.3 (49.1)82.8 (60.6)77.7 (52.6)79.7 (49.7)73.4 (60.7)77.8 (64.8)
 Mean change (SD)−4.4 ± 68.61.2 ±49.12.79 ± 78.7
value (Wilcoxon signed rank test)0.90.40.4

Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney test comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA comparing the three arms revealed;
Weight (Kg)
 Mean (SD)91.2 (10.6)90.4 (10.9)88.4 (12.5)87.5 (12.8)85.6 (12.5)84.5 (12.2)
 Mean change (SD)−0.8 ±1.8−0.9 ± 1.5−1.1 ± 1.7
value (Wilcoxon signed rank test)0.0010.0010.001

Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA comparing the three arms revealed
Plasma alpha-glucosidase activity (nmol/mL/hour)
 Count606263606765
 Mean (SD)1.6 (1.3)1.6 (1.3)1.5 (1.1)1.6 (1.3)1.7 (1.5)1.4 (1.3)
 Mean change (SD)−0.04 ± 1.90.12 ± 1.7−0.4 ± 1.4
value (Wilcoxon signed rank test)0.230.50.04
Mann–Whitney test comparing Active Control and Arm 2 revealed ; Mann–Whitney test comparing Active Control and Arm 3 revealed ; Kruskal–Wallis One-Way ANOVA test comparing the three arms revealed;