TABLE 3.
PK parameters.
| 200 mg BID (n = 10) | 300 mg BID (n = 10) | 400 mg BID (n = 10) | 500 mg BID (n = 10) | ||
|---|---|---|---|---|---|
| Day 1 | |||||
| Tmax, h | Median (range) | 1.0 (0.5–1.5) | 1.0 (0.5–2.0) | 1.2 (0.5–1.5) | 1.0 (0.5–1.5) |
| Cmax, ng/mL | Mean ± SD (%CV) | 1890 ± 836 (44.3) | 2610 ± 950 (36.4) | 3680 ± 1380 (37.5) | 4070 ± 1770 (43.4) |
| GeoMean (%GeoCV) | 1680 (63.1) | 2440 (41.8) | 3120 (92.9) | 3570 (69.1) | |
| AUC0-12h, h*ng/mL | Mean ± SD (%CV) | 4610 ± 1530 (33.2) | 7520 ± 2910 (38.7) | 10500 ± 4300 (41.1) | 12800 ± 6120 (47.9) |
| GeoMean (%GeoCV) | 4270 (50.0) | 7100 (35.6) | 9280 (67.0) | 10900 (75.8) | |
| Day 21 | |||||
| Tmax, h | Median (range) | 1.0 (0.5–1.9) | 1.0 (0.5–1.5) | 1.5 (0.5–2.0) | 1.0 (0.5–2.0) |
| Cmax, ng/mL | Mean ± SD (%CV) | 2140 ± 921 (43.1) | 3050 ± 1480 (48.6) | 4200 ± 1470 (34.9) | 4960 ± 1810 (36.5) |
| GeoMean (%GeoCV) | 1910 (61.3) | 2770 (47.7) | 3840 (55.0) | 4560 (51.5) | |
| AUC0-12h, h*ng/mL | Mean ± SD (%CV) | 5510 ± 1800 (32.7) | 9780 ± 3750 (38.3) | 14700 ± 5010 (34.0) | 16800 ± 4900 (29.2) |
| GeoMean (%GeoCV) | 5180 (42.3) | 9180 (38.7) | 13600 (50.9) | 16000 (36.5) | |
| t1/2, h | Mean ± SD (%CV) | 3.2 ± 0.6 (19.3) | 3.5 ± 0.6 (16.7) | 3.3 ± 0.9 (26.9) | 3.3 ± 0.5 (16.2) |
| GeoMean (%GeoCV) | 3.14 (18.6) | 3.48 (17.0) | 3.26 (21.8) | 3.30 (15.9) | |
| Vz/F, L | Mean ± SD (%CV) | 191 ± 93 (48.7) | 174 ± 64.6 (37.2) | 158 ± 111 (69.9) | 156 ± 55.7 (35.8) |
| GeoMean (%GeoCV) | 175 (44.3) | 164 (36.2) | 138 (51.6) | 149 (30.9) | |
| CL/F, L/h | Mean ± SD (%CV) | 42.2 ± 23.1 (54.7) | 34.8 ± 13.4 (38.4) | 33.7 ± 24.4 (72.3) | 33.4 ± 15.1 (45.3) |
| GeoMean (%GeoCV) | 38.6 (42.3) | 32.7 (38.7) | 29.4 (50.9) | 31.2 (36.5) | |
| Ctrough, ng/mL | Mean ± SD (%CV) | 73.3 ± 36.3 (49.6) | 171 ± 107 (63.0) | 258 ± 128 (49.6) | 299 ± 108 (36.0) |
| GeoMean (%GeoCV) | 66.1 (49.9) | 146 (62.1) | 229 (58.0) | 280 (40.7) | |
| Racc, h | Mean ± SD (%CV) | 1.2 ± 0.2 (15.4) | 1.3 ± 0.3 (22.2) | 1.5 ± 0.4 (24.6) | 1.6 ± 0.7 (45.0) |
| GeoMean (%GeoCV) | 1.21 (15.8) | 1.29 (30.1) | 1.46 (24.9) | 1.46 (43.1) | |
Data are mean ± SD, unless otherwise specified.