Table 3.
Non-compartmental pharmacokinetic parameters obtained for metformin after its oral administration (30 mg/kg) to diabetic rabbits (n = 6)
Parameters | Standard chow | Supplemented chow | p values | ||
---|---|---|---|---|---|
± SD | CV (%) | ± SD | CV (%) | ||
λ (min−1) | 0.0046 ± 0.0007 | 14.43 | 0.0029 ± 0.0011 | 39.32 | 0.014a |
AUC (μg·min/mL) | 960.6 ± 230.9 | 24.03 | 1296.2 ± 331.5 | 25.57 | 0.048a |
Cmax (μg/mL) | 3.23 ± 0.614 | 19.01 | 3.09 ± 0.425 | 13.77 | 0.694a |
tmax (min) | 90.0 ± 0.00 | - | 90.0 ± 0.00 | - | 1.000b |
Cl/F (mL/min/kg) | 32.70 ± 7.41 | 22.67 | 24.39 ± 5.99 | 24.55 | 0.062a |
Va/F (mL/kg) | 7374.6 ± 2253.7 | 30.56 | 9074.9 ± 2680.1 | 29.53 | 0.252a |
Vss/F (mL/kg) | 4416.9 ± 758.8 | 17.18 | 3445.3 ± 702.4 | 20.39 | 0.046a |
t1/2λ (min) | 155.3 ± 27.13 | 17.48 | 271.6 ± 100.9 | 37.13 | 0.014a |
AUMC (μg·min2/mL) | 245,796.4 ± 65,691.2 | 26.73 | 571,150.5 ± 320,022.7 | 56.03 | 0.015a |
MRT (min) | 136.6 ± 8.51 | 6.23 | 142.5 ± 6.52 | 14.50 | 0.199a |
MAT (min) | 54.95 | 52.72 | |||
F (%) | 30.29 | 46.19 |
at Test; bMann-Whitney Test