TABLE 3

Estimation of hepatic clearance of E2074 by using the dispersion model

SpeciesfpRbfmicCLint,uCLh,vitroCLb
ml/min/mg proteinl/h/kgl/h/kg
Rat0.6750.8910.1963.193.60 ± 0.14
Dog0.6010.8610.2081.831.97 ± 0.30
Monkey0.6761.0110.0842.001.34 ± 0.14
  • CL, clearance; CLb, CL/Rb; CLh,vitro, hepatic blood clearance; CLint,u, intrinsic clearance; E2074, 2-[(2R)-2-fluoro-3-{(3r)-[(3-fluorobenzyl)oxy]-8-azabicyclo[3.2.1]oct-8-yl}propyl]-4,5-dimethyl-2,4-dihydro-3H-1,2,4-triazol-3-one; fmic, unbound fraction in liver microsomes; fp, unbound fraction in plasma; Rb, blood to plasma partition ratio.