Table 3. Influence of SLC22A1 haplotypes on imatinib clearance, CL and trough concentration, C0h using haplotype specific generalized linear model.
Haplotypes | Haplotype frequency (%) | Mean ± SE | Fold change | p-value | ||||||
IVS6 -878C>A | 1222A>G | IVS7+850C>T | CMLPatients | Healthy Chinese | CL(*10−2 L/hr/mg ) | C0h(*10−6 1/ml) | CL | C0h | CL | C0h |
C | A | C | 22.3 | 25.8 | 4.03±0.53 | 3.13±1.06 | 1.00a | 1.00a | 0 | 0.005 |
A | G | C | 1.30 | 0.90 | 6.71±1.28 | 0.60±2.56 | 1.66 | 0.192 | 0.044 | 0.328 |
A | G | T | 40.7 | 38.7 | 3.16±0.35 | 4.32±0.70 | 0.784 | 1.38 | 0.017 | 0.097 |
C | G | C | 35.5 | 30.2 | 3.15±0.35 | 4.07±0.71 | 0.781 | 1.30 | 0.017 | 0.192 |
Reference: Imatinib pharmacokinetics parameters values corresponding to haplotype CAC were used as reference to compare with other three haplotypes.