Table 3.
Pharmacokinetic parameters (adjusted for body weight) of dotinurad in plasma, with comparison between groups
| Parameters (unit) | Normal hepatic function (n = 6) | Mild hepatic impairment (n = 6) | ||
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Geometric mean ratioa | ||
| Point estimate | Two-sided 90% CI | |||
| Cmax (ng kg/mL) | 20,665.9 ± 1450.3 | 19,054.3 ± 3867.7 | 0.908 | 0.720–1.147 |
| AUC0–48 (ng kg h/mL) | 277,096.0 ± 22,379.2 | 265,029.3 ± 58,564.3 | 0.940 | 0.710–1.245 |
| AUC0–inf (ng kg h/mL) | 290,502.3 ± 23,625.3 | 279,743.3 ± 67,960.8 | 0.943 | 0.697–1.275 |
| CLtot/F (L/h/kg) | 0.0139 ± 0.0012 | 0.0150 ± 0.0035 | 1.061 | 0.784–1.435 |
| Vd/F (L/kg) | 0.216 ± 0.021 | 0.220 ± 0.032 | 1.011 | 0.834–1.226 |
| Parameters (unit) | Moderate hepatic impairment (n = 9) | Severe hepatic impairment (n = 3) | ||||
|---|---|---|---|---|---|---|
| Mean ± SD | Geometric mean ratioa | Mean ± SD | Geometric mean ratioa | |||
| Point estimate | Two-sided 90% CI | Point estimate | Two-sided 90% CI | |||
| Cmax (ng kg/mL) | 16,994.2 ± 4765.3 | 0.792 | 0.640–0.980 | 18,181.2 ± 3757.9 | 0.869 | 0.653–1.155 |
| AUC0–48 (ng kg h/mL) | 252,948.5 ± 84,717.2 | 0.868 | 0.672–1.122 | 258,929.9 ± 94,795.0 | 0.889 | 0.630–1.255 |
| AUC0–inf (ng kg h/mL) | 268,605.8 ± 97,755.3 | 0.872 | 0.662–1.149 | 270,778.5 ± 105,677.4 | 0.881 | 0.609–1.275 |
| CLtot/F (L/h/kg) | 0.0169 ± 0.0065 | 1.146 | 0.870–1.510 | 0.0167 ± 0.0077 | 1.135 | 0.784–1.642 |
| Vd/F (L/kg) | 0.247 ± 0.062 | 1.121 | 0.940–1.337 | 0.222 ± 0.056 | 1.012 | 0.800–1.282 |
AUC0–inf area under the plasma concentration−time curve from time 0 to infinity, AUC0–48 area under the plasma concentration−time curve from time 0 to 48 h, CI confidence interval, CLtot/F total clearance/fraction of dose absorbed, Cmax maximum plasma concentration, SD standard deviation, Vd/F distribution volume/fraction of dose absorbed
aThe mean was converted to a common logarithm and then the geometric mean ratio was calculated using the following formula:
Geometric mean ratio = 10Mean difference
Mean difference = (mean in the target group) − (mean in the normal hepatic function group)