Table 2

Mean estimates (CV%) obtained with the basic turnover and back-flow model

ModelDatak1k2t1/2(kout)kome1 (i.v.)kome2 (i.d.)
h−1 h l/μmol/h
BasicA, dog 11.05.4
(18)(15)
BasicA, dog 22.23.0
(31)(19)
Back-flowA, dog 13.2161.423
(57)(52)(27)(58)
Back-flowA, dog 21.8224.230
(80)(24)(81)(25)
BasicB511.80.3
(22)(13)(41)
Back-flowB0.42.054113.0
(38)(56)(20)(34)(56)
  • A, short-term experiments (i.e., intravenous infusions); B, combination of short-term (experiments 4 and 5 in dog 1) and long-term experiments (i.e., intraduodenal single doses).