TABLE 2

Pharmacokinetic parameters of plasma nicotine and cotinine in mice treated with nicotine (1 mg/kg, s.c.)

Results are derived using data from five to seven animals at each time point.



Nicotine

Cotinine

DBA/2
C57BL/6
DBA/2
C57BL/6
AUC0-480 (ng · h/ml) 92.9 ± 2.9* 80.8 ± 3.2 245 ± 10* 120 ± 7
t1/2 (min) 8.6 ± 0.4 9.2 ± 1.6 51.0 ± 4.1* 23.7 ± 2.0
CL / F (ml/min) 4.5 ± 0.1* 5.2 ± 0.2 N.D. N.D.
Tmax (min) 10.0 ± 2.2 10.0 ± 4.7 45.0 ± 13.3* 20.0 ± 13.3
Cmax (ng/min)
201 ± 15*
160 ± 15
141 ± 7*
112 ± 12
  • N.D., not determined.

  • * p < 0.05 compared with C57BL/6 mice.