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. 2021 Dec 31;14(1):69. doi: 10.3390/v14010069

Table 8.

In vivo PK parameters in rats of the two most active inhibitors, NBCoV1 and NBCoV2.

Parameters a NBCoV1 NBCoV2 UNITS
PO IV PO IV
Dose 10 5 10 5 mg/kg
t1/2 11.32 3.57 3.96 3.52 h
Tmax 2 0.25 4 2 h
Cmax 1499.76 7815.76 30.12 2219.45 ng/mL
C0 - 7407.25 - 1710.87 ng/mL
AUC0-t 12,023.00 37,515.91 318.78 18,074.45 ng/mL ∗ h
MRT0-inf_obs 14.34 4.02 7.28 5.09 h
CLobs - 0.00013 - 0.00027 (mg/kg)/(ng/mL)/h
Vss_obs - 0.00053 - 0.00140 (mg/kg)/(ng/mL)
Vz/F_obs 0.01078 - 0.17593 - (mg/kg)/(ng/mL)
CL/F_obs 0.00066 - 0.03082 - (mg/kg)/(ng/mL)/h
F% 20.1 - 0.9 - 100 ∗ AUC(PO)/AUC(IV)

a A single oral (PO) or IV dose; t1/2, apparent terminal elimination half-life; tmax, time to peak concentration; Cmax, maximum measured plasma concentration; C0, initial measured plasma concentration; AUC, area under the concentration time curve; MRT, mean residence time; CL, clearance rate of the analyte (IV only); Vss, volume of distribution of the analyte in the test system estimated at steady state (IV only); VZ/F, apparent volume of distribution; CL/F, apparent oral clearance; F%, bioavailability, represents the fraction of a dose reaching systemic circulation intact; i.e., fraction of dose absorbed.