TABLE 2

Physicochemical property and pharmacokinetic parameters

Values are the mean ± S.E.M.

ParametersRUTEODDHED
LogP2.402.34−2.30
pKa3.434.29
Pe (cm/s) (pH = 7.4)2.10 × 10−42.06 × 10−42.00 × 10−7
Intrinsic solubility (mg/ml) (pH = 7.4)0.020.010.14
TPSA (Ǻ2)48.539.339.1
T1/2 (minutes)56.4 ± 4.2369.3 ± 0.164.0 ± 3.45
Tmax (minutes)54.0 ± 3.6666.0 ± 5.7460.0 ± 0.1
Cmax (μg/ml)0.80 ± 0.54***0.34 ± 0.22###12.8 ± 2.39
AUC0∼t (μg/ml ·min)80.2 ± 4.89***151 ± 5.78###3450 ± 34.6
AUC0∼∞ (μg/ml ·min)83.4 ± 4.64***186 ± 6.02###4760 ± 36.1
  • Pe, permeability; TPSA, topological polar surface area.

  • *** P < 0.001, RUT group vs. DHED group; ###P < 0.001, EOD group vs. DHED group.