Table 3.
Analysis of variance models of plasma pexidartinib pharmacokinetic parameters
| Pharmacokinetic parameter | Statistic | Esomeprazole study | Itraconazole study | Rifampin study | Probenecid study | ||||
|---|---|---|---|---|---|---|---|---|---|
| Pexidartinib alone | Pexidartinib + esomeprazole | Pexidartinib alone | Pexidartinib + itraconazole | Pexidartinib alone | Pexidartinib + rifampin | Pexidartinib alone | Pexidartinib + probenecid | ||
| Cmax, ng/mL | n | 16 | 16 | 13 | 13 | 16 | 16 | 15 | 16 |
| Geometric LS mean | 6431 | 2917 | 4255 | 6308 | 4924 | 3304 | 5034 | 5324 | |
| Geometric LS mean ratio (%) (90% CI) | 45.4 (36.8–55.9) | 148.3 (127.8–172.0) | 67.1 (53.1–84.8) | 105.8 (92.4–121.0) | |||||
| AUC∞, ng•h/mL | n | 16 | 16 | 13 | 13 | 15 | 15 | 15 | 16 |
| Geometric LS mean | 104,389 | 55,378 | 78,240 | 135,354 | 91,863 | 33,977 | 71,913 | 114,899 | |
| Geometric LS mean ratio (%) (90% CI) | 53.1 (47.4–59.3) | 173.0 (160.7–186.3) | 37.0 (30.6–44.8) | 159.8 (143.4–178.0) | |||||
AUC∞ area under the plasma concentration–time curve from 0 to infinity, CI confidence interval, Cmax maximum plasma concentration, LS least square, SD standard deviation