Table 3.
Effects of genotypes on parameter estimates
Factor | Compared genotypes | PK parameter | Parameter estimate (RSE %) | p value (ΔOFV) |
---|---|---|---|---|
ABCG2 421C > A | WT/WT vs. other | F CL |
Other: F *1.02 WT/WT: 0.27 L/h, other: 0.28 L/ha |
0.78 (0.08) |
0.67 (0.18)a | ||||
ABCG2 34G >A | WT/WT vs. WT/var | F CL |
WT/var: F *1.24 WT/WT: 0.27 L/h, WT/var: 0.26 L/h |
0.17 (1.87) |
0.86 (0.03) | ||||
ABCB1 3435C >T | WT/WT vs. other | F CL |
Other: F *1.17a WT/WT: 0.28 L/h, other: 0.27 L/h |
0.21a (1.58) |
0.64 (0.22) | ||||
ABCB1 3435C >T | var/var vs. other | F CL |
Var/var: F*1.01 Var/var: 0.28 L/h, other: 0.25 L/h |
0.89 (0.02) |
0.40 (0.71) | ||||
CYP3A4*22 | WT/WT vs. WT/var | F CL |
Var: F*0.81 WT/WT: 0.27 L/h (23%), WT/var: 0.18 L/h (17%) |
0.16 (2.00) |
0.002 (9.47) |
CL clearance, F bioavailability, ΔOFV difference in objective function value, PK pharmacokinetic, RSE relative standard error, var variant, WT wild type
aNONMEM run unsuccessful because of rounding errors