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Avandia - Clinical Pharmacology

[Rosiglitazone maleate]



Free Fatty Acids
N
Baseline (mean)
% Change from
baseline (mean)

207
18.1

+0.2%

428
17.5

-7.8%

436
17.9

-14.7%

181
26.4

-2.4%

168
26.4

-4.7%

166
26.9

-20.8%

145
26.6

-21.5%
LDL
N
Baseline (mean)
% Change from
baseline (mean)

190
123.7

+4.8%

400
126.8

+14.1%

374
125.3

+18.6%

175
142.7

-0.9%

160
141.9

-0.5%

161
142.1

+11.9%

133
142.1

+12.1%
HDL
N
Baseline (mean)
% Change from
baseline (mean)

208
44.1

+8.0%

429
44.4

+11.4%

436
43.0

+14.2%

184
47.2

+4.3%

170
47.7

+8.7%

170
48.4

+14.0%

145
48.3

+18.5% *
Once daily and twice daily dosing groups were combined.

Monotherapy

A total of 2,315 patients with type 2 diabetes, previously treated with diet alone or antidiabetic medication( s), were treated with AVANDIA as monotherapy in 6 double-blind studies, which included two 26-week placebo-controlled studies, one 52-week glyburide-controlled study, and 3 placebo-controlled dose-ranging studies of 8 to 12 weeks duration. Previous antidiabetic medication( s) were withdrawn and patients entered a 2 to 4 week placebo run-in period prior to randomization.

Two 26-week, double-blind, placebo-controlled trials, in patients with type 2 diabetes with inadequate glycemic control (mean baseline FPG approximately 228 mg/ dL and mean baseline HbA1c 8.9%), were conducted. Treatment with AVANDIA produced statistically significant improvements in FPG and HbA1c compared to baseline and relative to placebo (see Table 3).
Table 3. Glycemic Parameters in Two 26-Week Placebo-Controlled Trials
Study A Placebo AVANDIA
2 mg twice daily
AVANDIA
4 mg twice daily
N 158 166 169
FPG (mg/ dL)
Baseline (mean) 229 227 220
Change from baseline (mean) 19 -38 -54
Difference from placebo
(adjusted mean) -58 * -76 *
Responders ( 30 mg/ dL decrease from baseline) 16% 54% 64%
HbAlc (%)
Baseline (mean) 9.0 9.0 8.8
Change from baseline (mean) 0.9 -0.3 -0.6
Difference from placebo
(adjusted mean) -1.2 * -1.5 *
Responders ( 0.7% decrease from baseline) 6% 40% 42%
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