Table 3.
PK parameter | Blood [SD] | Plasma [SD] | Blood/Plasma |
---|---|---|---|
C0 [μg/mL] | 32.3 [6.0] | 50.0 [9.6] | 0.65 |
Cmax [μg/mL] | 20.3 [5.6] | 33.0 [9.1] | 0.62 |
Clast [μg/mL] | 0.59 [0.04] | 0.81 [0.22] | 0.72 |
AUClast [μg · h/mL] | 8.5 [2.6] | 13.9 [4.6] | 0.61 |
t1/2 initial [min] | 8.3 [0.41] | 8.5 [0.7] | 0.98 |
t1/2 terminal [h] | 2.8 [1.6] | 1.8 [0.2] | 1.56 |
AUCinfinity [μg · h/mL] | 8.6 [2.6] | 14.1 [4.7] | 0.61 |
Clearance [L · kg/h] | 0.52 [0.13] | 0.33 [0.10] | 1.60 |
MRTlast [h] | 0.51[0.04] | 0.47 [0.01] | 1.08 |
Vss [L/kg] | 0.29 [0.09] | 0.16 [0.05] | 1.76 |
C0, extrapolated concentration at time 0; Cmax, concentration observed 5 min post-injection; Clast, concentration observed 3 h post-injection; AUClast, area under the curve between 0–3 h; t1/2 initial, half-life during first 30 minutes; t1/2 terminal, half-life observed between 1 h and 3 h; AUCinfinity area under the curve extrapolated to infinity; MRTlast, mean residence time observed between 0–3 h; Vss, steady state volume of distribution