Table 3.
Estimated odds ratios and 95% confidence intervals of grade 4 hematological toxicity associated with CYP2B6, CYP3A4, and GSTA1 genotypes in SWOG 8897
| Genotype | # with grade 4 vs without grade 4 toxicity |
Adjusted OR (95% CI)† |
Adjusted P-value† |
|---|---|---|---|
| CYP2B6 (rs3745274) | |||
| GG | 115/135 | 1.00 | |
| TT/GT | 94/105 | 1.05 (0.72–1.53) | 0.81 |
| CYP3A4 (rs2740574) | |||
| AA | 186/213 | 1.00 | |
| GG/AG | 27/30 | 1.03 (0.59–1.82) | 0.91 |
| GSTA1 (rs3957356) | |||
| GG | 71/93 | 1.00 | |
| GA/AA | 121/129 | 1.29 (0.86–1.94) | 0.21 |
Footnote: Factors adjusted in the multivariate models include age, menopausal status, chemotherapy (CAF vs. CMF), tamoxifen treatment, and time from surgery to randomization.