TABLE 1

Percentage of metformin oral dose in liver or kidneys over a pharmacologically relevant dose range and time frame in mice

Data are presented as the mean ± S.E.M. n = 3–4 mice per time per dose.

Dose (mg/kg)Time Postdose
1.5 h2.0 h2.5 h
Percentage of Metformin Oral Dose in Liver
 101.40 ± 0.190.81 ± 0.140.63 ± 0.08
 301.64 ± 0.331.12 ± 0.041.79 ± 0.95
 600.97 ± 0.170.89 ± 0.160.49 ± 0.04
 1002.36 ± 0.300.77 ± 0.071.48 ± 0.10
 3000.20 ± 0.060.19 ± 0.030.14 ± 0.04
Percentage of Metformin Oral Dose in Kidneys
 101.58 ± 0.191.37 ± 0.171.61 ± 0.42
 300.85 ± 0.150.78 ± 0.120.77 ± 0.05
 600.46 ± 0.030.61 ± 0.140.63 ± 0.13
 1001.20 ± 0.311.32 ± 0.390.58 ± 0.14
 3000.10 ± 0.020.63 ± 0.490.47 ± 0.31