Supplemental Table 1. Summary of key efficacy and safety results at the time point used for this analysis, for the per-protocol analysis population (regardless of renal function) in each study.

Parameter / Study 1 [21]
(PN010) / Study 2[22,23]
(PN024) / Study 3[24]
(PN803)
Sitagliptin / Sulfonylurea / Sitagliptin / Sulfonylurea / Sitagliptin / Sulfonylurea
A1C (%)
Baseline
Week 25/30
Change from baseline‡
Change vs. Sulfonylurea / n = 76
7.8 ± 1.0
7.3 ± 0.9
-0.5a
(-0.7, -0.3)
0.3b
(0.0, 0.5) / n = 67
7.9 ± 1.0
7.1 ± 1.0
-0.8a
(-1.0, -0.6)
---- / n = 448
7.6 ± 0.8
6.8 ± 0.8
-0.8a
(-0.9, -0.7)
0.1b
(0.0, 0.2) / n = 477
7.6 ± 0.9
6.7 ± 0.7
-0.9a
(-0.9, -0.8)
---- / n = 443
7.5 ± 0.7
7.0 ± 0.8
-0.4a
(-0.5, -0.4)
0.1NS
(-0.0, 0.2) / n = 436
7.5 ± 0.7
7.0 ± 0.9
-0.5a
(-0.6, -0.4)
----
Patients with A1C Value < 7.0% at Week 25/30, n (%)
Difference in % vs.
Sulfonylurea† / 30 (39.5)
-15.8NS
(-31.4, 0.7) / 37 (55.2)
---- / 302 (67.4)
-0.5NS
(-6.6, 5.5) / 324 (67.9)
---- / 232 (52.4)
-7.3b
(-13.8, -0.7) / 260 (59.6)
----
Patients with A1C Reduction > 0.5% at Week 25/30, n (%)
Difference in % vs.
Sulfonylurea† / 29 (38.3)
-27.5a
(-42.4, -11.1) / 44 (65.7)
---- / 286 (63.8)
-0.1NS
(-6.3, 6.1) / 305 (63.9)
---- / 191 (43.1)
-3.0NS
(-9.5, 3.6) / 201 (46.1)
----
FPG (mg/dL)
Baseline
Week 25/30
Change from baseline‡
Change vs. Sulfonylurea / n=74
162.0 ± 39.1
151.1 ± 36.7
-14.1a
(-21.7, -6.6)
4.4NS
(-6.7, 15.4) / n=67
173.2 ± 43.1
151.1 ± 36.2
-18.5a
(-26.5, -10.5)
---- / n=442
160.5 ± 35.8
141.5 ± 33.9
-19.5a
(-22.2, -16.8)
2.3NS
(-1.5, 6.1) / n=476
162.0 ± 40.3
139.8 ± 31.6
-21.8a
(-24.4, -19.2)
---- / n=441
143.0 ± 32.5
130.4 ± 31.5
-13.4a
(-16.1, -10.7)
3.0NS
(-0.8, 6.9) / n=434
145.8 ± 33.9
128.5 ± 32.5
-16.5a
(-19.2, -13.7)
----
Patients with AE of Symptomatic Hypoglycemia
Week 25/30, n (%)
Difference in % vs.
Sulfonylurea† / 2 (2.6)
-12.3c
(-23.1, -3.5) / 10 (14.9)
---- / 22 (4.9)
-24.4a
(-29.1, -19.9) / 140 (29.4)
---- / 34 (7.7)
-15.3a
(-20.0, -10.6) / 100 (22.9)
----
Body Weight (kg)
Baseline
Week 25/30
Change from baseline‡
Change vs. Sulfonylurea / n=76
85.1 ± 16.8
85.4 ± 16.0
0.3NS
(-0.4, -0.9)
-1.1b
(-2.0, -0.1) / n=67
83.5 ± 17.5
84.8 ± 18.2
1.3a
(0.6, 2.0)
---- / n=438
89.2 ± 17.2
87.5 ± 17.3
-1.7a
(-2.0, -1.4)
-2.5a
(-2.8, -2.1) / n=467
90.0 ± 17.3
90.8 ± 17.6
0.7a
(0.5, 1.0)
---- / n=442
80.5 ± 15.4
79.8 ± 15.7
-0.8a
(-1.1, -0.5)
-2.0a
(-2.4, -1.6) / n=435
82.3 ± 16.5
83.5 ± 16.7
1.2a
(0.9, 1.5)
----
Data are reported as mean ± standard deviation unless noted otherwise.
‡Least squares mean (95% confidence interval), based on analysis of covariance with terms for treatment, study, and a covariate for baseline value.
†Based on Miettinen&Nurminen method.
aP<0.001; bP<0.05; cP<0.01; NSP is not significant
AE, adverse event; FPG, fasting plasma glucose; HbA1c, glycated hemoglobin

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