Table 1

Mean (±S.D.) pharmacokinetic parameters of DA-1131 after 1-min i.v. infusion of the drug, 50 mg/kg, to 16-week-old SHRs and their age-matched control KW rats

ParametersKW Rats 1-a (n= 12)SHRs 1-a (n = 7)
Terminal half-life (min)25.2  ± 3.7615.7  ± 1.54***
AUC (μg · min/ml)7070  ± 8624720  ± 785***
MRT (min)20.1  ± 2.0414.4  ± 1.13***
CL (ml/min/kg)7.07  ± 0.87110.6  ± 1.98***
CLR(ml/min/kg)3.41  ± 0.6154.69  ± 1.79*
CLNR(ml/min/kg)3.57  ± 0.5945.37  ± 1.26***
V SS (ml/kg)141  ± 19.6152  ± 31.3
Ae 0–8 h (% of i.v. dose)48.9  ± 5.7748.0  ± 11.3
Creatinine clearance (ml/min/kg)3.98  ± 0.7763.15  ± 0.756*
Liver (% of body weight)3.14  ± 0.1643.12  ± 0.209
Kidney (% of body weight)0.718  ± 0.03790.758  ± 0.0147*
  • 1-a P values are as follows: * p < .05; ** p < .01; *** p < .001.