TABLE 3

Effect of BSP on the pharmacokinetic parameters of GPFX in Bcrp(−/−) mice

BSP was given to Bcrp(−/−) mice by i.v. infusion at an infusion rate of 1.51 mg/min/kg 20 min before the bolus administration of GPFX. Data are taken from Fig. 4. Each value represents the mean ± S.E. of four mice.




CLtotala

CLbile, plasmab

Kplasma, liver c

CLbile, liver, appd
ml/min/kg
+Saline 11.5 ± 2.7 0.19 ± 0.03 3.90 ± 0.38 0.049 ± 0.009
+BSP
16.4 ± 3.3
0.15 ± 0.01
6.29 ± 0.67*
0.024 ± 0.003*
  • **P < 0.01.

  • a Total body clearance obtained by dividing the dose by the AUC0-∞.

  • b Biliary clearance obtained by dividing the cumulative biliary excretion by the AUC0-120.

  • c Plasma/liver concentration ratio at 120 min.

  • d Biliary clearance obtained by dividing the cumulative biliary excretion by the liver concentration at 120 min.

  • * P < 0.05 versus control values.